Buffer overflow in Matrixssl
CVE-2019-10914
pubRsaDecryptSignedElementExt in MatrixSSL 4.0.1 Open, as used in Inside Secure TLS Toolkit, has a stack-based buffer overflow during X.509 certificate verification because of missing validation in psRsaDecryptPubExt in crypto/pubkey/rsa_pub.c.
Vulnerability class: Improper Certificate Validation
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.014 (72.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 72nd percentile — 72.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.014 · newest: 0.014 · change: 0.000
Affected products
Weakness classification (CWE)
References
- bugs.chromium.org/p/project-zero/issues/detail (Patch, Third Party Advisory, Issue Tracking)
- github.com/matrixssl/matrixssl/releases/tag/4-0-2-open (Third Party Advisory, Release Notes)
- github.com/matrixssl/matrixssl/issues/26 (Patch, Third Party Advisory)
- www.openwall.com/lists/oss-security/2019/02/15/1
Frequently asked questions
- What is CVE-2019-10914?
- CVE-2019-10914 is a critical-severity vulnerability in Matrixssl, classified under Improper Certificate Validation. CVSS score: 9.8/10. Published 2019-04-08.
- How severe is CVE-2019-10914?
- Critical severity. CVSS v3 base score is 9.8 out of 10.