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	<DocumentTitle xml:lang="en">An update for php is now available for openEuler-20.03-LTS-SP1 and openEuler-20.03-LTS-SP2</DocumentTitle>
	<DocumentType>Security Advisory</DocumentType>
	<DocumentPublisher Type="Vendor">
		<ContactDetails>openeuler-security@openeuler.org</ContactDetails>
		<IssuingAuthority>openEuler security committee</IssuingAuthority>
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		<Identification>
			<ID>openEuler-SA-2021-1430</ID>
		</Identification>
		<Status>Final</Status>
		<Version>1.0</Version>
		<RevisionHistory>
			<Revision>
				<Number>1.0</Number>
				<Date>2021-11-12</Date>
				<Description>Initial</Description>
			</Revision>
		</RevisionHistory>
		<InitialReleaseDate>2021-11-12</InitialReleaseDate>
		<CurrentReleaseDate>2021-11-12</CurrentReleaseDate>
		<Generator>
			<Engine>openEuler SA Tool V1.0</Engine>
			<Date>2021-11-12</Date>
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	<DocumentNotes>
		<Note Title="Synopsis" Type="General" Ordinal="1" xml:lang="en">php security update</Note>
		<Note Title="Summary" Type="General" Ordinal="2" xml:lang="en">An update for php is now available for openEuler-20.03-LTS-SP1 and openEuler-20.03-LTS-SP2.</Note>
		<Note Title="Description" Type="General" Ordinal="3" xml:lang="en">PHP is an HTML-embedded scripting language. PHP attempts to make it easy for developers to write dynamically generated web pages. PHP also offers built-in database integration for several commercial and non-commercial database management systems, so writing a database-enabled webpage with PHP is fairly simple. The most common use of PHP coding is probably as a replacement for CGI scripts. The php package contains the module (often referred to as mod_php) which adds support for the PHP language to Apache HTTP Server.

Security Fix(es):

In PHP versions 7.3.x up to and including 7.3.31, 7.4.x below 7.4.25 and 8.0.x below 8.0.12, when running PHP FPM SAPI with main FPM daemon process running as root and child worker processes running as lower-privileged users, it is possible for the child processes to access memory shared with the main process and write to it, modifying it in a way that would cause the root process to conduct invalid memory reads and writes, which can be used to escalate privileges from local unprivileged user to the root user.(CVE-2021-21703)</Note>
		<Note Title="Topic" Type="General" Ordinal="4" xml:lang="en">An update for php is now available for openEuler-20.03-LTS-SP1 and openEuler-20.03-LTS-SP2.

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>
		<Note Title="Severity" Type="General" Ordinal="5" xml:lang="en">High</Note>
		<Note Title="Affected Component" Type="General" Ordinal="6" xml:lang="en">php</Note>
	</DocumentNotes>
	<DocumentReferences>
		<Reference Type="Self">
			<URL>https://www.openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2021-1430</URL>
		</Reference>
		<Reference Type="openEuler CVE">
			<URL>https://www.openeuler.org/en/security/cve/detail.html?id=CVE-2021-21703</URL>
		</Reference>
		<Reference Type="Other">
			<URL>https://nvd.nist.gov/vuln/detail/CVE-2021-21703</URL>
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			<FullProductName ProductID="php-enchant-7.2.10-16" CPE="cpe:/a:openEuler:openEuler:20.03-LTS-SP1">php-enchant-7.2.10-16.oe1.x86_64.rpm</FullProductName>
			<FullProductName ProductID="php-snmp-7.2.10-16" CPE="cpe:/a:openEuler:openEuler:20.03-LTS-SP1">php-snmp-7.2.10-16.oe1.x86_64.rpm</FullProductName>
			<FullProductName ProductID="php-intl-7.2.10-16" CPE="cpe:/a:openEuler:openEuler:20.03-LTS-SP1">php-intl-7.2.10-16.oe1.x86_64.rpm</FullProductName>
			<FullProductName ProductID="php-mysqlnd-7.2.10-16" CPE="cpe:/a:openEuler:openEuler:20.03-LTS-SP1">php-mysqlnd-7.2.10-16.oe1.x86_64.rpm</FullProductName>
			<FullProductName ProductID="php-pgsql-8.0.0-5" CPE="cpe:/a:openEuler:openEuler:20.03-LTS-SP2">php-pgsql-8.0.0-5.oe1.x86_64.rpm</FullProductName>
			<FullProductName ProductID="php-8.0.0-5" CPE="cpe:/a:openEuler:openEuler:20.03-LTS-SP2">php-8.0.0-5.oe1.x86_64.rpm</FullProductName>
			<FullProductName ProductID="php-dbg-8.0.0-5" CPE="cpe:/a:openEuler:openEuler:20.03-LTS-SP2">php-dbg-8.0.0-5.oe1.x86_64.rpm</FullProductName>
			<FullProductName ProductID="php-opcache-8.0.0-5" CPE="cpe:/a:openEuler:openEuler:20.03-LTS-SP2">php-opcache-8.0.0-5.oe1.x86_64.rpm</FullProductName>
			<FullProductName ProductID="php-tidy-8.0.0-5" CPE="cpe:/a:openEuler:openEuler:20.03-LTS-SP2">php-tidy-8.0.0-5.oe1.x86_64.rpm</FullProductName>
			<FullProductName ProductID="php-common-8.0.0-5" CPE="cpe:/a:openEuler:openEuler:20.03-LTS-SP2">php-common-8.0.0-5.oe1.x86_64.rpm</FullProductName>
			<FullProductName ProductID="php-ffi-8.0.0-5" CPE="cpe:/a:openEuler:openEuler:20.03-LTS-SP2">php-ffi-8.0.0-5.oe1.x86_64.rpm</FullProductName>
			<FullProductName ProductID="php-gd-8.0.0-5" CPE="cpe:/a:openEuler:openEuler:20.03-LTS-SP2">php-gd-8.0.0-5.oe1.x86_64.rpm</FullProductName>
			<FullProductName ProductID="php-dba-8.0.0-5" CPE="cpe:/a:openEuler:openEuler:20.03-LTS-SP2">php-dba-8.0.0-5.oe1.x86_64.rpm</FullProductName>
			<FullProductName ProductID="php-mysqlnd-8.0.0-5" CPE="cpe:/a:openEuler:openEuler:20.03-LTS-SP2">php-mysqlnd-8.0.0-5.oe1.x86_64.rpm</FullProductName>
			<FullProductName ProductID="php-ldap-8.0.0-5" CPE="cpe:/a:openEuler:openEuler:20.03-LTS-SP2">php-ldap-8.0.0-5.oe1.x86_64.rpm</FullProductName>
			<FullProductName ProductID="php-enchant-8.0.0-5" CPE="cpe:/a:openEuler:openEuler:20.03-LTS-SP2">php-enchant-8.0.0-5.oe1.x86_64.rpm</FullProductName>
			<FullProductName ProductID="php-fpm-8.0.0-5" CPE="cpe:/a:openEuler:openEuler:20.03-LTS-SP2">php-fpm-8.0.0-5.oe1.x86_64.rpm</FullProductName>
			<FullProductName ProductID="php-devel-8.0.0-5" CPE="cpe:/a:openEuler:openEuler:20.03-LTS-SP2">php-devel-8.0.0-5.oe1.x86_64.rpm</FullProductName>
			<FullProductName ProductID="php-pdo-8.0.0-5" CPE="cpe:/a:openEuler:openEuler:20.03-LTS-SP2">php-pdo-8.0.0-5.oe1.x86_64.rpm</FullProductName>
			<FullProductName ProductID="php-gmp-8.0.0-5" CPE="cpe:/a:openEuler:openEuler:20.03-LTS-SP2">php-gmp-8.0.0-5.oe1.x86_64.rpm</FullProductName>
			<FullProductName ProductID="php-mbstring-8.0.0-5" CPE="cpe:/a:openEuler:openEuler:20.03-LTS-SP2">php-mbstring-8.0.0-5.oe1.x86_64.rpm</FullProductName>
			<FullProductName ProductID="php-odbc-8.0.0-5" CPE="cpe:/a:openEuler:openEuler:20.03-LTS-SP2">php-odbc-8.0.0-5.oe1.x86_64.rpm</FullProductName>
			<FullProductName ProductID="php-process-8.0.0-5" CPE="cpe:/a:openEuler:openEuler:20.03-LTS-SP2">php-process-8.0.0-5.oe1.x86_64.rpm</FullProductName>
			<FullProductName ProductID="php-debuginfo-8.0.0-5" CPE="cpe:/a:openEuler:openEuler:20.03-LTS-SP2">php-debuginfo-8.0.0-5.oe1.x86_64.rpm</FullProductName>
			<FullProductName ProductID="php-bcmath-8.0.0-5" CPE="cpe:/a:openEuler:openEuler:20.03-LTS-SP2">php-bcmath-8.0.0-5.oe1.x86_64.rpm</FullProductName>
			<FullProductName ProductID="php-embedded-8.0.0-5" CPE="cpe:/a:openEuler:openEuler:20.03-LTS-SP2">php-embedded-8.0.0-5.oe1.x86_64.rpm</FullProductName>
			<FullProductName ProductID="php-cli-8.0.0-5" CPE="cpe:/a:openEuler:openEuler:20.03-LTS-SP2">php-cli-8.0.0-5.oe1.x86_64.rpm</FullProductName>
			<FullProductName ProductID="php-intl-8.0.0-5" CPE="cpe:/a:openEuler:openEuler:20.03-LTS-SP2">php-intl-8.0.0-5.oe1.x86_64.rpm</FullProductName>
			<FullProductName ProductID="php-snmp-8.0.0-5" CPE="cpe:/a:openEuler:openEuler:20.03-LTS-SP2">php-snmp-8.0.0-5.oe1.x86_64.rpm</FullProductName>
			<FullProductName ProductID="php-help-8.0.0-5" CPE="cpe:/a:openEuler:openEuler:20.03-LTS-SP2">php-help-8.0.0-5.oe1.x86_64.rpm</FullProductName>
			<FullProductName ProductID="php-debugsource-8.0.0-5" CPE="cpe:/a:openEuler:openEuler:20.03-LTS-SP2">php-debugsource-8.0.0-5.oe1.x86_64.rpm</FullProductName>
			<FullProductName ProductID="php-soap-8.0.0-5" CPE="cpe:/a:openEuler:openEuler:20.03-LTS-SP2">php-soap-8.0.0-5.oe1.x86_64.rpm</FullProductName>
			<FullProductName ProductID="php-xml-8.0.0-5" CPE="cpe:/a:openEuler:openEuler:20.03-LTS-SP2">php-xml-8.0.0-5.oe1.x86_64.rpm</FullProductName>
		</Branch>
	</ProductTree>
	<Vulnerability Ordinal="1" xmlns="http://www.icasi.org/CVRF/schema/vuln/1.1">
		<Notes>
			<Note Title="Vulnerability Description" Type="General" Ordinal="1" xml:lang="en">In PHP versions 7.3.x up to and including 7.3.31, 7.4.x below 7.4.25 and 8.0.x below 8.0.12, when running PHP FPM SAPI with main FPM daemon process running as root and child worker processes running as lower-privileged users, it is possible for the child processes to access memory shared with the main process and write to it, modifying it in a way that would cause the root process to conduct invalid memory reads and writes, which can be used to escalate privileges from local unprivileged user to the root user.</Note>
		</Notes>
		<ReleaseDate>2021-11-12</ReleaseDate>
		<CVE>CVE-2021-21703</CVE>
		<ProductStatuses>
			<Status Type="Fixed">
				<ProductID>openEuler-20.03-LTS-SP1</ProductID>
				<ProductID>openEuler-20.03-LTS-SP2</ProductID>
			</Status>
		</ProductStatuses>
		<Threats>
			<Threat Type="Impact">
				<Description>High</Description>
			</Threat>
		</Threats>
		<CVSSScoreSets>
			<ScoreSet>
				<BaseScore>7.8</BaseScore>
				<Vector>AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H</Vector>
			</ScoreSet>
		</CVSSScoreSets>
		<Remediations>
			<Remediation Type="Vendor Fix">
				<Description>php security update</Description>
				<DATE>2021-11-12</DATE>
				<URL>https://www.openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2021-1430</URL>
			</Remediation>
		</Remediations>
	</Vulnerability>
</cvrfdoc>