CVE-2017-11462
Description
Double free vulnerability in MIT Kerberos 5 (aka krb5) allows attackers to have unspecified impact via vectors involving automatic deletion of security contexts on error.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2017-11462
Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2017-11462.html
Vendor advisory: cve@mitre.org — https://github.com/krb5/krb5/commit/56f7b1bc95a2a3eeb420e069e7655fb181ade5cf
Vendor advisory: cve@mitre.org — https://bugzilla.redhat.com/show_bug.cgi?id=1488873
Vendor advisory: cve@mitre.org — http://krbdev.mit.edu/rt/Ticket/Display.html?id=8598
Vendor advisory: arch — https://security.archlinux.org/ASA-201710-8
Vendor advisory: arch — https://security.archlinux.org/ASA-201710-9
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| arch | fixed | 1.15.2-1 | |
| sles | affected | | |
| debian | bookworm | fixed | 1.15.2-1 |
| debian | bullseye | fixed | 1.15.2-1 |
| debian | forky | fixed | 1.15.2-1 |
| debian | sid | fixed | 1.15.2-1 |
| debian | trixie | fixed | 1.15.2-1 |
| fedora | 25 | affected | |
| fedora | 26 | affected | |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| 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-201710-9
- https://security.archlinux.org/ASA-201710-8
- http://krbdev.mit.edu/rt/Ticket/Display.html?id=8598
- https://bugzilla.redhat.com/show_bug.cgi?id=1488873
- https://github.com/krb5/krb5/commit/56f7b1bc95a2a3eeb420e069e7655fb181ade5cf
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2FPRUP4YVOEBGEROUYWZFEQ64HTMGNED/
- https://www.suse.com/security/cve/CVE-2017-11462.html
- https://security-tracker.debian.org/tracker/CVE-2017-11462
CWEs
CWE-415
Verify integrity in audit chain (admin only). AS-IS.