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CVE-2015-2059

Status Candidate

Overview

The stringprep_utf8_to_ucs4 function in libin before 1.31, as used in jabberd2, allows context-dependent attackers to read system memory and possibly have other unspecified impact via invalid UTF-8 characters in a string, which triggers an out-of-bounds read.

Related Files

Ubuntu Security Notice USN-3068-1
Posted Aug 24, 2016
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 3068-1 - Thijs Alkemade, Gustavo Grieco, Daniel Stenberg, and Nikos Mavrogiannopoulos discovered that Libidn incorrectly handled invalid UTF-8 characters. A remote attacker could use this issue to cause Libidn to crash, resulting in a denial of service, or possibly disclose sensitive memory. This issue only applied to Ubuntu 12.04 LTS and Ubuntu 14.04 LTS. Hanno Boeck discovered that Libidn incorrectly handled certain input. A remote attacker could possibly use this issue to cause Libidn to crash, resulting in a denial of service. Various other issues were also addressed.

tags | advisory, remote, denial of service
systems | linux, ubuntu
advisories | CVE-2015-2059, CVE-2015-8948, CVE-2016-6261, CVE-2016-6262, CVE-2016-6263
SHA-256 | 8fc65e056c00aacb74043701fa23c5a3940d45a27528289ab166ee40c36e2a52
Debian Security Advisory 3578-1
Posted May 16, 2016
Authored by Debian | Site debian.org

Debian Linux Security Advisory 3578-1 - It was discovered that libidn, the GNU library for Internationalized Domain Names (IDNs), did not correctly handle invalid UTF-8 input, causing an out-of-bounds read. This could allow attackers to disclose sensitive information from an application using the libidn library.

tags | advisory
systems | linux, debian
advisories | CVE-2015-2059
SHA-256 | 0f6df94ca20bee4e1e8ac06f0e309a5d702366a562dcfdf9f35c4080410948d4
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