Use-after-free in pidgin-otr - CVE-2015-8833
Published: April 12, 2016 / Updated: July 28, 2020
Vulnerability identifier: #VU32308
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2015-8833
CWE-ID: CWE-416
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: otr.cypherpunks.ca
Affected software:
pidgin-otr
pidgin-otr
Detailed vulnerability description
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error when processing vectors related to the "Authenticate buddy" menu item. <a href="http://cwe.mitre.org/data/definitions/416. A remote attackers can execute arbitrary code.
Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.
How to mitigate CVE-2015-8833
Update to version 4.0.2.
Sources
- 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