CVE-2013-1416

Home/CVE/The prep_reprocess_req function in do_tgs_req.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) before

CVE

The prep_reprocess_req function in do_tgs_req.c in the Key Distribution Center (KDC) in MIT Kerberos 5 (aka krb5) before

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.

MEDIUM · CVSS 4 EPSS 0.02274

Monitor

No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence

Sigma rules0 YARA rules0

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Weakness Classification

CWE-476NULL Pointer Dereference

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Affected Products & Versions

mit kerberos 5< 1.10.5
opensuseall versions
fedoraproject fedoraall versions
redhat enterprise linux desktopall versions
redhat enterprise linux eusall versions
redhat enterprise linux serverall versions
redhat enterprise linux server ausall versions
redhat enterprise linux workstationall versions

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Scoring & Timeline

MEDIUM · CVSS v2 (legacy) · cve@mitre.org

View on NVD

This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.

v2 Vector

AV:N/AC:L/Au:S/C:N/I:N/A:P

Published to NVD19 Apr 2013 · 11:44 AM

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Vendor Advisories

usnUSN-2310-1

rhsaRHSA-2013:0748Moderate

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References & Sources

Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.

http://krbdev.mit.edu/rt/Ticket/Display.html?id=7600Vendor Advisory

http://lists.fedoraproject.org/pipermail/package-announce/2013-April/102058.htmlThird Party Advisory

http://lists.fedoraproject.org/pipermail/package-announce/2013-April/102074.htmlThird Party Advisory

http://lists.opensuse.org/opensuse-updates/2013-05/msg00011.htmlMailing ListThird Party Advisory

http://lists.opensuse.org/opensuse-updates/2013-06/msg00041.htmlMailing ListThird Party Advisory

http://lists.opensuse.org/opensuse-updates/2013-06/msg00102.htmlMailing ListThird Party Advisory

Show all 10 references

http://rhn.redhat.com/errata/RHSA-2013-0748.htmlThird Party Advisory

http://www.mandriva.com/security/advisories?name=MDVSA-2013:157Third Party Advisory

http://www.mandriva.com/security/advisories?name=MDVSA-2013:158Third Party Advisory

https://github.com/krb5/krb5/commit/8ee70ec63931d1e38567905387ab9b1d45734d81PatchThird Party Advisory

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