Double Free in Mit Kerberos 5
CVE-2017-11462
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.
Vulnerability class: Double Free
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.055 (92.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 93rd percentile — 92.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.055 · newest: 0.055 · change: 0.000
Affected products
- Mit Kerberos 5 — versions 1.14, 1.14.1, 1.14.2
- Fedoraproject Fedora — versions 25, 26
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/krb5/krb5/commit/56f7b1bc95a2a3eeb420e069e7655fb181ade5cf (Patch, Third Party Advisory)
- krbdev.mit.edu/rt/Ticket/Display.html (Vendor Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- bugzilla.redhat.com/show_bug.cgi (Patch, VDB Entry, Third Party Advisory, Issue Tracking)
Frequently asked questions
- What is CVE-2017-11462?
- CVE-2017-11462 is a critical-severity vulnerability in Mit Kerberos 5, classified under Double Free. CVSS score: 9.8/10. Published 2017-09-13.
- How severe is CVE-2017-11462?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2017-11462 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.