CVEvulnerability
CVE-2016-4356
7.5 HIGH
Official page ↗
- Status
- Modified
- Published
- 2016-06-13
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.0 ([email protected])
- 7.5 HIGH — CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:N/A:P
- Weaknesses
- CWE-119
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.
Affected configurations
• gnupg libksba (<= 1.3.2)
• canonical ubuntu linux 12.04
• canonical ubuntu linux 14.04
Related
Weakness · CWE (1)
- CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer weakness
References
- http://git.gnupg.org/cgi-bin/gitweb.cgi?p=libksba.git%3Ba=commit%3Bh=243d12fdec66a4360fbb3e307a046b39b5b4ffc3 git.gnupg.org
- http://www.openwall.com/lists/oss-security/2016/04/29/5 www.openwall.com
- http://www.openwall.com/lists/oss-security/2016/04/29/8 www.openwall.com
- http://www.openwall.com/lists/oss-security/2016/05/10/3 www.openwall.com
- http://www.ubuntu.com/usn/USN-2982-1 www.ubuntu.com
- https://security.gentoo.org/glsa/201604-04 security.gentoo.org
- http://git.gnupg.org/cgi-bin/gitweb.cgi?p=libksba.git%3Ba=commit%3Bh=243d12fdec66a4360fbb3e307a046b39b5b4ffc3 git.gnupg.org
- http://www.openwall.com/lists/oss-security/2016/04/29/5 www.openwall.com
- http://www.openwall.com/lists/oss-security/2016/04/29/8 www.openwall.com
- http://www.openwall.com/lists/oss-security/2016/05/10/3 www.openwall.com
- http://www.ubuntu.com/usn/USN-2982-1 www.ubuntu.com
- https://security.gentoo.org/glsa/201604-04 security.gentoo.org