CVE-2015-8833
critical
CVSS v3
9.8
CVSS v2
10.0
VIR risk
9.8
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.
Predictions
Exploit likelihood
97%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2015-8833
Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2015-8833.html
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| sles | affected | | |
| debian | bookworm | fixed | 4.0.2-1 |
| debian | bullseye | fixed | 4.0.2-1 |
| debian | sid | fixed | 4.0.2-1 |
| debian | trixie | fixed | 4.0.2-1 |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| cypherpunks | pidgin-otr | {"endIncluding":"4.0.1"} | |
References
- https://www.suse.com/security/cve/CVE-2015-8833.html
- 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
- https://security-tracker.debian.org/tracker/CVE-2015-8833
Verify integrity in audit chain (admin only). AS-IS.