NULL pointer dereference in Mit Kerberos 5
CVE-2010-1321
The kg_accept_krb5 function in krb5/accept_sec_context.c in the GSS-API library in MIT Kerberos 5 (aka krb5) through 1.7.1 and 1.8 before 1.8.2, as used in kadmind and other applications, does not properly check for invalid GSS-API tokens, which allows remote authenticated users to cause a denial of service (NULL pointer dereference and daemon crash) via an AP-REQ message in which the authenticator's checksum field is missing.
Published · last modified .
CVSS v2 metric
CVSS v2 base score 6.8 (Medium). Vector: AV:N/AC:L/Au:S/C:N/I:N/A:C. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.069 (93.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 94th percentile — 93.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.069 · newest: 0.069 · change: 0.000
Affected products
- Mit Kerberos 5
- Oracle Database Server
- Canonical Ubuntu Linux — versions 6.06, 10.04, 9.04
- Debian Linux — versions 5.0, 6.0
- Fedoraproject Fedora — versions 12, 11, 13
- openSUSE — versions 11.3, 11.0, 11.1
- SUSE Linux Enterprise Server — versions 10, 11
Weakness classification (CWE)
References
- lists.opensuse.org/opensuse-security-announce/2012-01/msg00010.html (vendor-advisory, Mailing List, Third Party Advisory)
- secunia.com/advisories/39818 (Third Party Advisory, third-party-advisory)
- www.vupen.com/english/advisories/2011/0134 (Third Party Advisory, vdb-entry)
- support.avaya.com/css/P8/documents/100114315 (Third Party Advisory)
- secunia.com/advisories/39784 (Third Party Advisory, third-party-advisory)
- www.ubuntu.com/usn/USN-940-1 (vendor-advisory, Third Party Advisory)
- marc.info/ (vendor-advisory, Third Party Advisory, Issue Tracking)
- www.securityfocus.com/archive/1/511331/100/0/threaded (mailing-list, Third Party Advisory, VDB Entry)
- www.mandriva.com/security/advisories (vendor-advisory, Third Party Advisory)
- www.us-cert.gov/cas/techalerts/TA11-201A.html (US Government Resource, Third Party Advisory, third-party-advisory)