Vulnerability Details : 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 category: OverflowMemory Corruption
Products affected by CVE-2019-10914
- cpe:2.3:a:matrixssl:matrixssl:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2019-10914
0.40%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 57 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2019-10914
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
7.5
|
HIGH | AV:N/AC:L/Au:N/C:P/I:P/A:P |
10.0
|
6.4
|
NIST | |
|
9.8
|
CRITICAL | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
3.9
|
5.9
|
NIST |
CWE ids for CVE-2019-10914
-
The product does not validate, or incorrectly validates, a certificate.Assigned by: nvd@nist.gov (Primary)
-
The product writes data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2019-10914
-
https://github.com/matrixssl/matrixssl/issues/26
URGENT: Stack buffer overflow verifying X.509 certificate · Issue #26 · matrixssl/matrixssl · GitHubPatch;Third Party Advisory
-
https://github.com/matrixssl/matrixssl/releases/tag/4-0-2-open
Release MatrixSSL 4.0.2 Open · matrixssl/matrixssl · GitHubRelease Notes;Third Party Advisory
-
https://www.openwall.com/lists/oss-security/2019/02/15/1
oss-security - MatrixSSL stack buffer overflow
-
https://bugs.chromium.org/p/project-zero/issues/detail?id=1785
1785 - MatrixSSL: stack buffer overflow verifying x.509 certificates - project-zero - MonorailIssue Tracking;Patch;Third Party Advisory
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