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CVE-2016-4574

Status Candidate

Overview

Off-by-one error in the append_utf8_value function in the DN decoder (dn.c) in Libksba before 1.3.4 allows remote attackers to cause a denial of service (out-of-bounds read) via invalid utf-8 encoded data. NOTE: this vulnerability exists because of an incomplete fix for CVE-2016-4356.

Related Files

Ubuntu Security Notice USN-2982-1
Posted May 17, 2016
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 2982-1 - Hanno Boeck discovered that Libksba incorrectly handled decoding certain BER data. An attacker could use this issue to cause Libksba to crash, resulting in a denial of service. This issue only applied to Ubuntu 12.04 LTS and Ubuntu 14.04 LTS. Hanno Boeck discovered that Libksba incorrectly handled decoding certain BER data. An attacker could use this issue to cause Libksba to crash, resulting in a denial of service, or possibly execute arbitrary code. This issue only applied to Ubuntu 12.04 LTS and Ubuntu 14.04 LTS. Various other issues were also addressed.

tags | advisory, denial of service, arbitrary
systems | linux, ubuntu
advisories | CVE-2016-4353, CVE-2016-4354, CVE-2016-4355, CVE-2016-4356, CVE-2016-4574, CVE-2016-4579
MD5 | a3f49a34854370cd11b198fe180bc8be
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