VulnerabilityModified
CVE-2022-43974
MatrixSSL 4.0.4 through 4.5.1 has an integer overflow in matrixSslDecodeTls13.
CRITICAL 9.8EPSS 1.70%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.70%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
MatrixSSL 4.0.4 through 4.5.1 has an integer overflow in matrixSslDecodeTls13. A remote attacker might be able to send a crafted TLS Message to cause a buffer overflow and achieve remote code execution. This is fixed in 4.6.0.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 1.70% probability · 76th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-190
- Affected
- matrixssl/matrixssl
- Source
- cve@mitre.org
References
- https://github.com/matrixssl/matrixssl/blob/4-6-0-open/doc/CHANGES_v4.x.mdRelease Notes, Third Party Advisory
- https://github.com/matrixssl/matrixssl/security/advisories/GHSA-fmwc-gwc5-2g29Third Party Advisory
- https://www.telekom.com/en/company/data-privacy-and-security/news/advisories-504842Vendor Advisory
- https://github.com/matrixssl/matrixssl/blob/4-6-0-open/doc/CHANGES_v4.x.mdRelease Notes, Third Party Advisory
- https://github.com/matrixssl/matrixssl/security/advisories/GHSA-fmwc-gwc5-2g29Third Party Advisory
- https://www.telekom.com/en/company/data-privacy-and-security/news/advisories-504842Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.