An update for libtpms is now available for openEuler-20.03-LTS-SP1 Security Advisory openeuler-security@openeuler.org openEuler security committee openEuler-SA-2022-1959 Final 1.0 1.0 2022-09-23 Initial 2022-09-23 2022-09-23 openEuler SA Tool V1.0 2022-09-23 libtpms security update An update for libtpms is now available for openEuler-20.03-LTS-SP1. A library providing TPM functionality for VMs. Targeted for integration into Qemu. Security Fix(es): A flaw was found in libtpms in versions before 0.8.0. The TPM 2 implementation returns 2048 bit keys with ~1984 bit strength due to a bug in the TCG specification. The bug is in the key creation algorithm in RsaAdjustPrimeCandidate(), which is called before the prime number check. The highest threat from this vulnerability is to data confidentiality.(CVE-2021-3505) An update for libtpms is now available for openEuler-20.03-LTS-SP1. openEuler Security has rated this update as having a security impact of medium. 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. Medium libtpms https://www.openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2022-1959 https://www.openeuler.org/en/security/cve/detail.html?id=CVE-2021-3505 https://nvd.nist.gov/vuln/detail/CVE-2021-3505 openEuler-20.03-LTS-SP1 libtpms-debugsource-0.7.3-7.oe1.aarch64.rpm libtpms-devel-0.7.3-7.oe1.aarch64.rpm libtpms-0.7.3-7.oe1.aarch64.rpm libtpms-debuginfo-0.7.3-7.oe1.aarch64.rpm libtpms-0.7.3-7.oe1.src.rpm libtpms-0.7.3-7.oe1.x86_64.rpm libtpms-devel-0.7.3-7.oe1.x86_64.rpm libtpms-debugsource-0.7.3-7.oe1.x86_64.rpm libtpms-debuginfo-0.7.3-7.oe1.x86_64.rpm A flaw was found in libtpms in versions before 0.8.0. The TPM 2 implementation returns 2048 bit keys with ~1984 bit strength due to a bug in the TCG specification. The bug is in the key creation algorithm in RsaAdjustPrimeCandidate(), which is called before the prime number check. The highest threat from this vulnerability is to data confidentiality. 2022-09-23 CVE-2021-3505 openEuler-20.03-LTS-SP1 Medium 5.5 AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H libtpms security update 2022-09-23 https://www.openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2022-1959