CVE-2015-2696
high
CVSS v3
—
CVSS v4 NEW
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VIR risk
7.1
Description
lib/gssapi/krb5/iakerb.c in MIT Kerberos 5 (aka krb5) before 1.14 relies on an inappropriate context handle, which allows remote attackers to cause a denial of service (incorrect pointer read and process crash) via a crafted IAKERB packet that is mishandled during a gss_inquire_context call.
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| sles | affected | | |
| debian | bookworm | fixed | 1.13.2+dfsg-3 |
| debian | bullseye | fixed | 1.13.2+dfsg-3 |
| debian | forky | fixed | 1.13.2+dfsg-3 |
| debian | sid | fixed | 1.13.2+dfsg-3 |
| debian | trixie | fixed | 1.13.2+dfsg-3 |
| debian | 7.0 | affected | |
| debian | 8.0 | affected | |
| debian | 9.0 | affected | |
| ubuntu | 12.04 | affected | |
| ubuntu | 14.04 | affected | |
| ubuntu | 15.04 | affected | |
| ubuntu | 15.10 | affected | |
| suse | 42.1 | affected | |
| suse | 13.1 | affected | |
| suse | 13.2 | affected | |
| suse | 12 | affected | |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| mit | kerberos_5 | {"endExcluding":"1.14"} | 1.14 |
References
- https://www.suse.com/security/cve/CVE-2015-2696.html
- http://krbdev.mit.edu/rt/Ticket/Display.html?id=8244
- http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00006.html
- http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00014.html
- http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00022.html
- http://www.debian.org/security/2015/dsa-3395
- http://www.securityfocus.com/bid/90675
- http://www.securitytracker.com/id/1034084
- http://www.ubuntu.com/usn/USN-2810-1
- https://github.com/krb5/krb5/commit/e04f0283516e80d2f93366e0d479d13c9b5c8c2a
- https://security.gentoo.org/glsa/201611-14
- https://security-tracker.debian.org/tracker/CVE-2015-2696
CWEs
CWE-18
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.