NULL pointer dereference in Mit Kerberos 5
CVE-2013-1416
The prep_reprocess_req function in do_tgs_req.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) before 1.10.5 does not properly perform service-principal realm referral, which allows remote authenticated users to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted TGS-REQ request.
Published · last modified .
CVSS v2 metric
CVSS v2 base score 4.0 (Medium). Vector: AV:N/AC:L/Au:S/C:N/I:N/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.029 (86.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 87th percentile — 86.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.029 · newest: 0.029 · change: 0.000
Affected products
- Mit Kerberos 5
- Fedoraproject Fedora — versions 17, 18
- openSUSE — versions 11.4, 12.1, 12.2
- Red Hat Enterprise Linux Desktop — versions 6.0
- Red Hat Enterprise Linux Eus — versions 6.4
- Red Hat Enterprise Linux Server — versions 6.0
- Red Hat Enterprise Linux Server Aus — versions 6.4
- Red Hat Enterprise Linux Workstation — versions 6.0
Weakness classification (CWE)
References
- www.mandriva.com/security/advisories (vendor-advisory, Third Party Advisory)
- lists.opensuse.org/opensuse-updates/2013-06/msg00041.html (vendor-advisory, Mailing List, Third Party Advisory)
- www.mandriva.com/security/advisories (vendor-advisory, Third Party Advisory)
- lists.fedoraproject.org/pipermail/package-announce/2013-April/102074.html (vendor-advisory, Third Party Advisory)
- lists.opensuse.org/opensuse-updates/2013-06/msg00102.html (vendor-advisory, Mailing List, Third Party Advisory)
- lists.opensuse.org/opensuse-updates/2013-05/msg00011.html (vendor-advisory, Mailing List, Third Party Advisory)
- lists.fedoraproject.org/pipermail/package-announce/2013-April/102058.html (vendor-advisory, Third Party Advisory)
- github.com/krb5/krb5/commit/8ee70ec63931d1e38567905387ab9b1d45734d81 (Patch, Third Party Advisory)
- krbdev.mit.edu/rt/Ticket/Display.html (Vendor Advisory)
- rhn.redhat.com/errata/RHSA-2013-0748.html (vendor-advisory, Third Party Advisory)