Multiple vulnerabilities have been found in libotr and Pidgin OTR, allowing remote attackers to execute arbitrary code.. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 201701-10 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - https://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Severity: Normal Title: libotr, Pidgin OTR: Remote execution of arbitrary code Date: January 02, 2017 Bugs: #576914, #576916 ID: 201701-10 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Synopsis ======= Multiple vulnerabilities have been found in libotr and Pidgin OTR, allowing remote attackers to execute arbitrary code. Background ========= Pidgin Off-the-Record (OTR) messaging allows you to have private conversations over instant messaging. libotr is a portable off-the-record messaging library. Affected packages ================ ------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 net-libs/libotr < 4.1.1 > = 4.1.1 2 x11-plugins/pidgin-otr < 4.0.2 > = 4.0.2 ------------------------------------------------------------------- 2 affected packages Description ========== Multiple vulnerabilities exist in both libotr and Pidgin OTR. Please review the CVE identifiers for more information. Impact ===== A remote attacker could send a specially crafted message, possibly resulting in the execution of arbitrary code with the privileges of the process, or cause a Denial of Service condition. Workaround ========= There is no known workaround at this time. Resolution ========= All libotr users should upgrade to the latest version: # emerge --sync # emerge --ask--oneshot --verbose "> =net-libs/libotr-4.1.1" All Pidgin OTR users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose "> =x11-plugins/pidgin-otr-4.0.2" References ========= [ 1 ] CVE-2015-8833 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-8833 [ 2 ] CVE-2016-2851 http://nvd.nist.gov/nvd.cfm?cvename=CVE-2016-2851 Availability =========== This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/201701-10 Concerns? ======== Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users' machines is of utmost importance to us. Any security concerns should be addressed to
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