Vulnerability identifier: #VU60731
Vulnerability risk: Medium
CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]
CVE-ID: CVE-2022-23645
CWE-ID:
CWE-125
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
swtpm
Universal components / Libraries /
Libraries used by multiple products
Vendor: Stefan Berger
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a boundary condition when the byte array representing the state of the TPM is accessed. A remote attacker can send a specially crafted header, trigger out-of-bounds read error and cause a denial of service condition on the system.
Mitigation
Install updates from vendor's website.
Vulnerable software versions
swtpm: 0.4.2 - 0.7.0
External links
https://github.com/stefanberger/swtpm/security/advisories/GHSA-2qgm-8xf4-3hqw
https://github.com/stefanberger/swtpm/commit/9f740868fc36761de27df3935513bdebf8852d19
https://github.com/stefanberger/swtpm/releases/tag/v0.5.3
https://github.com/stefanberger/swtpm/releases/tag/v0.6.2
https://github.com/stefanberger/swtpm/releases/tag/v0.7.1
https://github.com/stefanberger/swtpm/releases/tag/v0.8.0
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.