Integer overflow in Matrixssl
CVE-2022-43974
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.
Vulnerability class: Integer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.017 (76.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 76th percentile — 76.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.017 · newest: 0.017 · change: 0.000
Affected products
Weakness classification (CWE)
References
- www.telekom.com/en/company/data-privacy-and-security/news/advisories-504842 (Vendor Advisory)
- github.com/matrixssl/matrixssl/security/advisories/GHSA-fmwc-gwc5-2g29 (Third Party Advisory)
- github.com/matrixssl/matrixssl/blob/4-6-0-open/doc/CHANGES_v4.x.md (Third Party Advisory, Release Notes)
Frequently asked questions
- What is CVE-2022-43974?
- CVE-2022-43974 is a high-severity vulnerability in Matrixssl, classified under Integer Overflow or Wraparound. CVSS score: 8.1/10. Published 2023-01-09.
- How severe is CVE-2022-43974?
- High severity. CVSS v3 base score is 8.1 out of 10.