Improper input validation in Mit Kerberos 5
CVE-2012-1015
The kdc_handle_protected_negotiation function in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) 1.8.x, 1.9.x before 1.9.5, and 1.10.x before 1.10.3 attempts to calculate a checksum before verifying that the key type is appropriate for a checksum, which allows remote attackers to execute arbitrary code or cause a denial of service (uninitialized pointer free, heap memory corruption, and daemon crash) via a crafted AS-REQ request.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v2 metric
CVSS v2 base score 9.3 (High). Vector: AV:N/AC:M/Au:N/C:C/I:C/A:C. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.048 (91.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 92nd percentile — 91.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.048 · newest: 0.048 · change: 0.000
Affected products
- Mit Kerberos 5 — versions 1.8, 1.8.1, 1.8.2
Weakness classification (CWE)
Public proof-of-concept exploits
References
- web.mit.edu/kerberos/advisories/MITKRB5-SA-2012-001.txt (Patch, Vendor Advisory)
- rhn.redhat.com/errata/RHSA-2012-1131.html (vendor-advisory)
- lists.opensuse.org/opensuse-updates/2012-08/msg00016.html (vendor-advisory)
- www.debian.org/security/2012/dsa-2518 (vendor-advisory)
- www.mandriva.com/security/advisories (vendor-advisory)
Frequently asked questions
- What is CVE-2012-1015?
- CVE-2012-1015 is a vulnerability in Mit Kerberos 5, classified under Improper Input Validation. Published 2012-08-06.
- Is CVE-2012-1015 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.