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CVE-2016-4356

Description

The append_utf8_value function in the DN decoder (dn.c) in Libksba before 1.3.3 allows remote attackers to cause a denial of service (out-of-bounds read) by clearing the high bit of the byte after invalid utf-8 encoded data.

Risk Information

Base Score
7.5
MODERATE
Vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score
Exploitation Probability
0.956

Associated Vulnerability

VulnerabilityOS Platform
X.509 and CMS support library (USN-2982-1) libksba8_1.2.0-2ubuntu0.2_i386.debLinux
X.509 and CMS support library (USN-2982-1) libksba8_1.2.0-2ubuntu0.2_amd64.debLinux
X.509 and CMS support library (USN-2982-1) libksba8_1.3.0-3ubuntu0.14.04.2_i386.debLinux
X.509 and CMS support library (USN-2982-1) libksba8_1.3.0-3ubuntu0.14.04.2_amd64.debLinux
X.509 and CMS support library (USN-2982-1) libksba8_1.3.3-1ubuntu0.15.10.1_i386.debLinux
X.509 and CMS support library (USN-2982-1) libksba8_1.3.3-1ubuntu0.15.10.1_amd64.debLinux
X.509 and CMS support library (USN-2982-1) libksba8_1.3.3-1ubuntu0.16.04.1_i386.debLinux
X.509 and CMS support library (USN-2982-1) libksba8_1.3.3-1ubuntu0.16.04.1_amd64.debLinux

Patch Details

No records found

References

https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234