CVE-2017-11368
medium
CVSS v3
6.5
CVSS v4 NEW
—
VIR risk
6.5
Description
In MIT Kerberos 5 (aka krb5) 1.7 and later, an authenticated attacker can cause a KDC assertion failure by sending invalid S4U2Self or S4U2Proxy requests.
Predictions
Exploit likelihood
75%
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
Fedora Affected 2 releases
| Version | Status | Fixed in |
|---|---|---|
| 26 | Affected | — |
| 25 | Affected | — |
SUSE Affected 1 release
| Version | Status | Fixed in |
|---|---|---|
| — | Affected | — |
Arch Fixed 1 release
| Version | Status | Fixed in |
|---|---|---|
| — | Fixed | 1.15.2-1 |
Debian Fixed 5 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 1.15.1-2 |
| sid | Fixed | 1.15.1-2 |
| forky | Fixed | 1.15.1-2 |
| bullseye | Fixed | 1.15.1-2 |
| bookworm | Fixed | 1.15.1-2 |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| mit | kerberos | 5-1.13.7 | |
| mit | kerberos_5 | 1.7 | |
| mit | kerberos_5 | 1.7.1 | |
| mit | kerberos_5 | 1.8 | |
| mit | kerberos_5 | 1.8.1 | |
| mit | kerberos_5 | 1.8.2 | |
| mit | kerberos_5 | 1.8.3 | |
| mit | kerberos_5 | 1.8.4 | |
| mit | kerberos_5 | 1.8.5 | |
| mit | kerberos_5 | 1.8.6 | |
| mit | kerberos_5 | 1.9 | |
| mit | kerberos_5 | 1.9.1 | |
| mit | kerberos_5 | 1.9.2 | |
| mit | kerberos_5 | 1.9.3 | |
| mit | kerberos_5 | 1.9.4 | |
| mit | kerberos_5 | 1.10 | |
| mit | kerberos_5 | 1.10.1 | |
| mit | kerberos_5 | 1.10.2 | |
| mit | kerberos_5 | 1.10.3 | |
| mit | kerberos_5 | 1.10.4 | |
| mit | kerberos_5 | 1.11 | |
| mit | kerberos_5 | 1.11.1 | |
| mit | kerberos_5 | 1.11.2 | |
| mit | kerberos_5 | 1.11.3 | |
| mit | kerberos_5 | 1.11.4 | |
| mit | kerberos_5 | 1.11.5 | |
| mit | kerberos_5 | 1.12 | |
| mit | kerberos_5 | 1.12.1 | |
| mit | kerberos_5 | 1.12.2 | |
| mit | kerberos_5 | 1.12.3 | |
| mit | kerberos_5 | 1.13 | |
| mit | kerberos_5 | 1.13.1 | |
| mit | kerberos_5 | 1.13.2 | |
| mit | kerberos_5 | 1.13.3 | |
| mit | kerberos_5 | 1.13.5 | |
| mit | kerberos_5 | 1.13.6 | |
| mit | kerberos_5 | 1.14 | |
| mit | kerberos_5 | 1.14.1 | |
| mit | kerberos_5 | 1.14.2 | |
| mit | kerberos_5 | 1.14.3 | |
| mit | kerberos_5 | 1.14.4 | |
| mit | kerberos_5 | 1.14.5 | |
| mit | kerberos_5 | 1.15 | |
| mit | kerberos_5 | 1.15.1 | |
References
- https://security.archlinux.org/ASA-201710-8
- http://www.securityfocus.com/bid/100291
- https://access.redhat.com/errata/RHSA-2018:0666
- https://github.com/krb5/krb5/commit/ffb35baac6981f9e8914f8f3bffd37f284b85970
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4HNWXM6OQU7G23MG7XWIOBRGP43ECLDT/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UBUTXMNZWMVJLQ4NDX5OQFPUVCJRLV3W/
- https://www.suse.com/security/cve/CVE-2017-11368.html
- https://security-tracker.debian.org/tracker/CVE-2017-11368
CWEs
CWE-617
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.