CVE-2015-8833 Information

Description

Use-after-free vulnerability in the create_smp_dialog function in gtk-dialog.c in the Off-the-Record Messaging (OTR) pidgin-otr plugin before 4.0.2 for Pidgin allows remote attackers to execute arbitrary code via vectors related to the \Authenticate buddy\ menu item.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Reference

http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00095.html http://lists.opensuse.org/opensuse-updates/2016-03/msg00109.html http://www.debian.org/security/2016/dsa-3528 http://www.openwall.com/lists/oss-security/2016/03/09/13 http://www.openwall.com/lists/oss-security/2016/03/09/8 http://www.securityfocus.com/bid/84295 https://blog.fuzzing-project.org/39-Heap-use-after-free-in-Pidgin-OTR-plugin-CVE-2015-8833.html https://bugs.otr.im/issues/128 https://bugs.otr.im/issues/88 https://bugs.otr.im/projects/pidgin-otr/repository/revisions/aaf551b9dd5cbba8c4abaa3d4dc7ead860efef94 https://lists.cypherpunks.ca/pipermail/otr-users/2016-March/002582.html https://security.gentoo.org/glsa/201701-10

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8