PT-2021-3477 · Libtpms+1 · Libtpms+1

Mauro Matteo Cascella · Published 2021-06-21 · Updated 2022-12-13 · CVE-2021-3623

Positive Technologies (AI Summary)

CVSS v3.1

6.1

Medium

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:H

Name of the Vulnerable Software and Affected Versions libtpms (affected versions not specified)

Description The issue is caused by an out-of-bounds access in memory due to a flaw in the libtpms library. This can be triggered by specially-crafted TPM 2 command packets containing illegal values. The flaw may lead to a system crash or denial of service. The highest threat from this issue is to system availability.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Out of bounds Read

Buffer Overflow

Memory Corruption

Weakness Enumeration

CWE-125

CWE-119

CWE-787

Related Identifiers

BDU:2021-03392

CVE-2021-3623

MGASA-2021-0590

OESA-2022-1695

OPENSUSE-SU-2022_4457-1

OPENSUSE-SU-2024:12445-1

SUSE-SU-2022:4457-1

SUSE-SU-2022_4457-1

Affected Products

Suse

Libtpms

References · 40

• https://github.com/stefanberger/libtpms/commit/2f30d62 · Patch
• https://github.com/stefanberger/libtpms/commit/2e6173c · Patch
• https://github.com/stefanberger/libtpms/commit/7981d9a · Patch
• https://security-tracker.debian.org/tracker/CVE-2021-3623 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/[e-mail]/thread/46YMIRHQHNKPCVNRVW4W27MFQQU7ZHHV · Vendor Advisory
• https://linux.oracle.com/errata/ELSA-2022-9240.html · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/[e-mail]/thread/YVJSXDXD44WDR4VA2XL33IZDJTBGRXP7 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Z7KZSYMTE7Z4BBEZUWO2DIMQDWMGEP46 · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-3623 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2022:4457-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-3746 · Security Note
• https://lists.fedoraproject.org/archives/list/[e-mail]/thread/7E3B6T5RBDKAWETDTW3WPORY3NK5IR46 · Vendor Advisory
• https://osv.dev/vulnerability/OESA-2022-1695 · Vendor Advisory
• https://bdu.fstec.ru/vul/2021-03392 · Security Note
• https://lists.fedoraproject.org/archives/list/[e-mail]/thread/Z7KZSYMTE7Z4BBEZUWO2DIMQDWMGEP46 · Vendor Advisory