Vulnerability identifier: #VU60731
Vulnerability risk: Medium
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID:
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
http://github.com/stefanberger/swtpm/security/advisories/GHSA-2qgm-8xf4-3hqw
http://github.com/stefanberger/swtpm/commit/9f740868fc36761de27df3935513bdebf8852d19
http://github.com/stefanberger/swtpm/releases/tag/v0.5.3
http://github.com/stefanberger/swtpm/releases/tag/v0.6.2
http://github.com/stefanberger/swtpm/releases/tag/v0.7.1
http://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.