Arch Linux alert ASA-202107-9 (libtpms)
| From: | Jonas Witschel via arch-security <arch-security@lists.archlinux.org> | |
| To: | arch-security@lists.archlinux.org | |
| Subject: | [ASA-202107-9] libtpms: information disclosure | |
| Date: | Sat, 03 Jul 2021 18:25:28 +0200 | |
| Message-ID: | <20210703162528.gjsw4xorgk2pahd3@archlinux.org> | |
| Cc: | Jonas Witschel <diabonas@archlinux.org> |
Arch Linux Security Advisory ASA-202107-9 ========================================= Severity: Medium Date : 2021-07-01 CVE-ID : CVE-2021-3623 Package : libtpms Type : information disclosure Remote : No Link : https://security.archlinux.org/AVG-2108 Summary ======= The package libtpms before version 0.8.4-1 is vulnerable to information disclosure. Resolution ========== Upgrade to 0.8.4-1. # pacman -Syu "libtpms>=0.8.4-1" The problem has been fixed upstream in version 0.8.4. Workaround ========== None. Description =========== A security issue was found in libtpms before version 0.8.4. The flaw can be triggered by specially-crafted TPM 2 command packets containing illegal values and may lead to an out-of-bounds access when the volatile state of the TPM 2 is marshalled/written or unmarshalled/read. Impact ====== An attacker could disclose sensitive information about the state of the TPM through crafted command packets. References ========== https://bugzilla.redhat.com/show_bug.cgi?id=1976806 https://github.com/stefanberger/libtpms/pull/223 https://github.com/stefanberger/libtpms/pull/225 https://github.com/stefanberger/libtpms/commit/f16250b35a... https://github.com/stefanberger/libtpms/commit/3ef9b26cb9... https://github.com/stefanberger/libtpms/commit/5cc98a62dc... https://security.archlinux.org/CVE-2021-3623