CVE-2022-23645
Description
swtpm is a libtpms-based TPM emulator with socket, character device, and Linux CUSE interface. Versions prior to 0.5.3, 0.6.2, and 0.7.1 are vulnerable to out-of-bounds read. A specially crafted header of swtpms state, where the blobheaders hdrsize indicator has an invalid value, may cause an out-of-bounds access when the byte array representing the state of the TPM is accessed. This will likely crash swtpm or prevent it from starting since the state cannot be understood. Users should upgrade to swtpm v0.5.3, v0.6.2, or v0.7.1 to receive a patch. There are currently no known workarounds.
Risk Information
Base Score
5.5
MODERATE
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS Score
Exploitation Probability
0.04
Associated Vulnerability
| Vulnerability | OS Platform |
|---|---|
| (RHSA-2022:8100) swtpm security and bug fix update swtpm-0.7.0-3.20211109gitb79fd91.el9.x86_64.rpm | Linux |
| (RHSA-2022:8100) swtpm security and bug fix update swtpm-debugsource-0.7.0-3.20211109gitb79fd91.el9.x86_64.rpm | Linux |
| (RHSA-2022:8100) swtpm security and bug fix update swtpm-libs-0.7.0-3.20211109gitb79fd91.el9.x86_64.rpm | Linux |
| (RHSA-2022:8100) swtpm security and bug fix update swtpm-tools-0.7.0-3.20211109gitb79fd91.el9.x86_64.rpm | Linux |
| Swtpm update (ELSA-2022-8100) swtpm-0.7.0-3.20211109gitb79fd91.el9.x86_64.rpm | Linux |
| Swtpm-libs update (ELSA-2022-8100) swtpm-libs-0.7.0-3.20211109gitb79fd91.el9.x86_64.rpm | Linux |
| Swtpm-tools update (ELSA-2022-8100) swtpm-tools-0.7.0-3.20211109gitb79fd91.el9.x86_64.rpm | Linux |
Patch Details
No records foundReferences
https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234