157 lines
11 KiB
XML
157 lines
11 KiB
XML
<?xml version="1.0" encoding="UTF-8"?>
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<cvrfdoc xmlns="http://www.icasi.org/CVRF/schema/cvrf/1.1" xmlns:cvrf="http://www.icasi.org/CVRF/schema/cvrf/1.1">
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<DocumentTitle xml:lang="en">An update for openssl is now available for openEuler-20.03-LTS-SP1</DocumentTitle>
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<DocumentType>Security Advisory</DocumentType>
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<DocumentPublisher Type="Vendor">
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<ContactDetails>openeuler-security@openeuler.org</ContactDetails>
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<IssuingAuthority>openEuler security committee</IssuingAuthority>
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</DocumentPublisher>
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<DocumentTracking>
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<Identification>
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<ID>openEuler-SA-2023-1354</ID>
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</Identification>
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<Status>Final</Status>
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<Version>1.0</Version>
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<RevisionHistory>
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<Revision>
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<Number>1.0</Number>
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<Date>2023-06-17</Date>
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<Description>Initial</Description>
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</Revision>
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</RevisionHistory>
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<InitialReleaseDate>2023-06-17</InitialReleaseDate>
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<CurrentReleaseDate>2023-06-17</CurrentReleaseDate>
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<Generator>
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<Engine>openEuler SA Tool V1.0</Engine>
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<Date>2023-06-17</Date>
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</Generator>
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</DocumentTracking>
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<DocumentNotes>
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<Note Title="Synopsis" Type="General" Ordinal="1" xml:lang="en">openssl security update</Note>
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<Note Title="Summary" Type="General" Ordinal="2" xml:lang="en">An update for openssl is now available for openEuler-20.03-LTS-SP1.</Note>
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<Note Title="Description" Type="General" Ordinal="3" xml:lang="en">OpenSSL is a robust, commercial-grade, and full-featured toolkit for the Transport Layer Security (TLS) and Secure Sockets Layer (SSL) protocols.
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Security Fix(es):
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Issue summary: Processing some specially crafted ASN.1 object identifiers or
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data containing them may be very slow.
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Impact summary: Applications that use OBJ_obj2txt() directly, or use any of
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the OpenSSL subsystems OCSP, PKCS7/SMIME, CMS, CMP/CRMF or TS with no message
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size limit may experience notable to very long delays when processing those
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messages, which may lead to a Denial of Service.
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An OBJECT IDENTIFIER is composed of a series of numbers - sub-identifiers -
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most of which have no size limit. OBJ_obj2txt() may be used to translate
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an ASN.1 OBJECT IDENTIFIER given in DER encoding form (using the OpenSSL
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type ASN1_OBJECT) to its canonical numeric text form, which are the
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sub-identifiers of the OBJECT IDENTIFIER in decimal form, separated by
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periods.
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When one of the sub-identifiers in the OBJECT IDENTIFIER is very large
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(these are sizes that are seen as absurdly large, taking up tens or hundreds
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of KiBs), the translation to a decimal number in text may take a very long
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time. The time complexity is O(n^2) with 'n' being the size of the
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sub-identifiers in bytes (*).
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With OpenSSL 3.0, support to fetch cryptographic algorithms using names /
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identifiers in string form was introduced. This includes using OBJECT
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IDENTIFIERs in canonical numeric text form as identifiers for fetching
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algorithms.
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Such OBJECT IDENTIFIERs may be received through the ASN.1 structure
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AlgorithmIdentifier, which is commonly used in multiple protocols to specify
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what cryptographic algorithm should be used to sign or verify, encrypt or
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decrypt, or digest passed data.
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Applications that call OBJ_obj2txt() directly with untrusted data are
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affected, with any version of OpenSSL. If the use is for the mere purpose
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of display, the severity is considered low.
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In OpenSSL 3.0 and newer, this affects the subsystems OCSP, PKCS7/SMIME,
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CMS, CMP/CRMF or TS. It also impacts anything that processes X.509
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certificates, including simple things like verifying its signature.
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The impact on TLS is relatively low, because all versions of OpenSSL have a
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100KiB limit on the peer's certificate chain. Additionally, this only
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impacts clients, or servers that have explicitly enabled client
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authentication.
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In OpenSSL 1.1.1 and 1.0.2, this only affects displaying diverse objects,
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such as X.509 certificates. This is assumed to not happen in such a way
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that it would cause a Denial of Service, so these versions are considered
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not affected by this issue in such a way that it would be cause for concern,
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and the severity is therefore considered low.(CVE-2023-2650)</Note>
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<Note Title="Topic" Type="General" Ordinal="4" xml:lang="en">An update for openssl is now available for openEuler-20.03-LTS-SP1.
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openEuler Security has rated this update as having a security impact of high. A Common Vunlnerability Scoring System(CVSS)base score,which gives a detailed severity rating, is available for each vulnerability from the CVElink(s) in the References section.</Note>
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<Note Title="Severity" Type="General" Ordinal="5" xml:lang="en">High</Note>
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<Note Title="Affected Component" Type="General" Ordinal="6" xml:lang="en">openssl</Note>
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</DocumentNotes>
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<DocumentReferences>
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<Reference Type="Self">
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<URL>https://www.openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2023-1354</URL>
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</Reference>
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<Reference Type="openEuler CVE">
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<URL>https://www.openeuler.org/en/security/cve/detail.html?id=CVE-2023-2650</URL>
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</Reference>
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<Reference Type="Other">
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<URL>https://nvd.nist.gov/vuln/detail/CVE-2023-2650</URL>
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</Reference>
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</DocumentReferences>
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<ProductTree xmlns="http://www.icasi.org/CVRF/schema/prod/1.1">
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<Branch Type="Product Name" Name="openEuler">
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<FullProductName ProductID="openEuler-20.03-LTS-SP1" CPE="cpe:/a:openEuler:openEuler:20.03-LTS-SP1">openEuler-20.03-LTS-SP1</FullProductName>
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</Branch>
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<Branch Type="Package Arch" Name="aarch64">
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<FullProductName ProductID="openssl-1.1.1f-25" CPE="cpe:/a:openEuler:openEuler:20.03-LTS-SP1">openssl-1.1.1f-25.oe1.aarch64.rpm</FullProductName>
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<FullProductName ProductID="openssl-devel-1.1.1f-25" CPE="cpe:/a:openEuler:openEuler:20.03-LTS-SP1">openssl-devel-1.1.1f-25.oe1.aarch64.rpm</FullProductName>
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<FullProductName ProductID="openssl-debugsource-1.1.1f-25" CPE="cpe:/a:openEuler:openEuler:20.03-LTS-SP1">openssl-debugsource-1.1.1f-25.oe1.aarch64.rpm</FullProductName>
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<FullProductName ProductID="openssl-libs-1.1.1f-25" CPE="cpe:/a:openEuler:openEuler:20.03-LTS-SP1">openssl-libs-1.1.1f-25.oe1.aarch64.rpm</FullProductName>
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<FullProductName ProductID="openssl-debuginfo-1.1.1f-25" CPE="cpe:/a:openEuler:openEuler:20.03-LTS-SP1">openssl-debuginfo-1.1.1f-25.oe1.aarch64.rpm</FullProductName>
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</Branch>
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<Branch Type="Package Arch" Name="noarch">
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<FullProductName ProductID="openssl-help-1.1.1f-25" CPE="cpe:/a:openEuler:openEuler:20.03-LTS-SP1">openssl-help-1.1.1f-25.oe1.noarch.rpm</FullProductName>
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</Branch>
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<Branch Type="Package Arch" Name="src">
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<FullProductName ProductID="openssl-1.1.1f-25" CPE="cpe:/a:openEuler:openEuler:20.03-LTS-SP1">openssl-1.1.1f-25.oe1.src.rpm</FullProductName>
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</Branch>
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<Branch Type="Package Arch" Name="x86_64">
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<FullProductName ProductID="openssl-1.1.1f-25" CPE="cpe:/a:openEuler:openEuler:20.03-LTS-SP1">openssl-1.1.1f-25.oe1.x86_64.rpm</FullProductName>
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<FullProductName ProductID="openssl-debugsource-1.1.1f-25" CPE="cpe:/a:openEuler:openEuler:20.03-LTS-SP1">openssl-debugsource-1.1.1f-25.oe1.x86_64.rpm</FullProductName>
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<FullProductName ProductID="openssl-debuginfo-1.1.1f-25" CPE="cpe:/a:openEuler:openEuler:20.03-LTS-SP1">openssl-debuginfo-1.1.1f-25.oe1.x86_64.rpm</FullProductName>
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<FullProductName ProductID="openssl-devel-1.1.1f-25" CPE="cpe:/a:openEuler:openEuler:20.03-LTS-SP1">openssl-devel-1.1.1f-25.oe1.x86_64.rpm</FullProductName>
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<FullProductName ProductID="openssl-libs-1.1.1f-25" CPE="cpe:/a:openEuler:openEuler:20.03-LTS-SP1">openssl-libs-1.1.1f-25.oe1.x86_64.rpm</FullProductName>
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</Branch>
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</ProductTree>
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<Vulnerability Ordinal="1" xmlns="http://www.icasi.org/CVRF/schema/vuln/1.1">
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<Notes>
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<Note Title="Vulnerability Description" Type="General" Ordinal="1" xml:lang="en">Issue summary: Processing some specially crafted ASN.1 object identifiers ordata containing them may be very slow.Impact summary: Applications that use OBJ_obj2txt() directly, or use any ofthe OpenSSL subsystems OCSP, PKCS7/SMIME, CMS, CMP/CRMF or TS with no messagesize limit may experience notable to very long delays when processing thosemessages, which may lead to a Denial of Service.An OBJECT IDENTIFIER is composed of a series of numbers - sub-identifiers -most of which have no size limit. OBJ_obj2txt() may be used to translatean ASN.1 OBJECT IDENTIFIER given in DER encoding form (using the OpenSSLtype ASN1_OBJECT) to its canonical numeric text form, which are thesub-identifiers of the OBJECT IDENTIFIER in decimal form, separated byperiods.When one of the sub-identifiers in the OBJECT IDENTIFIER is very large(these are sizes that are seen as absurdly large, taking up tens or hundredsof KiBs), the translation to a decimal number in text may take a very longtime. The time complexity is O(n^2) with n being the size of thesub-identifiers in bytes (*).With OpenSSL 3.0, support to fetch cryptographic algorithms using names /identifiers in string form was introduced. This includes using OBJECTIDENTIFIERs in canonical numeric text form as identifiers for fetchingalgorithms.Such OBJECT IDENTIFIERs may be received through the ASN.1 structureAlgorithmIdentifier, which is commonly used in multiple protocols to specifywhat cryptographic algorithm should be used to sign or verify, encrypt ordecrypt, or digest passed data.Applications that call OBJ_obj2txt() directly with untrusted data areaffected, with any version of OpenSSL. If the use is for the mere purposeof display, the severity is considered low.In OpenSSL 3.0 and newer, this affects the subsystems OCSP, PKCS7/SMIME,CMS, CMP/CRMF or TS. It also impacts anything that processes X.509certificates, including simple things like verifying its signature.The impact on TLS is relatively low, because all versions of OpenSSL have a100KiB limit on the peer s certificate chain. Additionally, this onlyimpacts clients, or servers that have explicitly enabled clientauthentication.In OpenSSL 1.1.1 and 1.0.2, this only affects displaying diverse objects,such as X.509 certificates. This is assumed to not happen in such a waythat it would cause a Denial of Service, so these versions are considerednot affected by this issue in such a way that it would be cause for concern,and the severity is therefore considered low.</Note>
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</Notes>
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<ReleaseDate>2023-06-17</ReleaseDate>
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<CVE>CVE-2023-2650</CVE>
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<ProductStatuses>
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<Status Type="Fixed">
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<ProductID>openEuler-20.03-LTS-SP1</ProductID>
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</Status>
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</ProductStatuses>
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<Threats>
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<Threat Type="Impact">
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<Description>High</Description>
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</Threat>
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</Threats>
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<CVSSScoreSets>
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<ScoreSet>
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<BaseScore>7.5</BaseScore>
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<Vector>AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H</Vector>
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</ScoreSet>
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</CVSSScoreSets>
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<Remediations>
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<Remediation Type="Vendor Fix">
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<Description>openssl security update</Description>
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<DATE>2023-06-17</DATE>
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<URL>https://www.openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2023-1354</URL>
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</Remediation>
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</Remediations>
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</Vulnerability>
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</cvrfdoc> |