Vulnerability Details 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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.031
EPSS Ranking 86.1%
CVSS Severity
CVSS v2 Score 9.3
References
- http://lists.opensuse.org/opensuse-updates/2012-08/msg00016.html
- http://rhn.redhat.com/errata/RHSA-2012-1131.html
- http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2012-001.txt
- http://www.debian.org/security/2012/dsa-2518
- http://www.mandriva.com/security/advisories?name=MDVSA-2012:120
- http://lists.opensuse.org/opensuse-updates/2012-08/msg00016.html
- http://rhn.redhat.com/errata/RHSA-2012-1131.html
- http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2012-001.txt
- http://www.debian.org/security/2012/dsa-2518
- http://www.mandriva.com/security/advisories?name=MDVSA-2012:120
Products affected by CVE-2012-1015
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cpe:2.3:a:mit:kerberos_5:1.10
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cpe:2.3:a:mit:kerberos_5:1.10.1
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cpe:2.3:a:mit:kerberos_5:1.10.2
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cpe:2.3:a:mit:kerberos_5:1.8
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cpe:2.3:a:mit:kerberos_5:1.8.1
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cpe:2.3:a:mit:kerberos_5:1.8.2
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cpe:2.3:a:mit:kerberos_5:1.8.3
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cpe:2.3:a:mit:kerberos_5:1.8.4
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cpe:2.3:a:mit:kerberos_5:1.8.5
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cpe:2.3:a:mit:kerberos_5:1.8.6
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cpe:2.3:a:mit:kerberos_5:1.9.4