CVE-2014-9421

Home/CVE/The auth_gssapi_unwrap_data function in lib/rpc/auth_gssapi_misc.c in MIT Kerberos 5 (aka krb5) through 1.11.5, 1.12.x t

CVE

The auth_gssapi_unwrap_data function in lib/rpc/auth_gssapi_misc.c in MIT Kerberos 5 (aka krb5) through 1.11.5, 1.12.x t

The auth_gssapi_unwrap_data function in lib/rpc/auth_gssapi_misc.c in MIT Kerberos 5 (aka krb5) through 1.11.5, 1.12.x through 1.12.2, and 1.13.x before 1.13.1 does not properly handle partial XDR deserialization, which allows remote authenticated users to cause a denial of service (use-after-free and double free, and daemon crash) or possibly execute arbitrary code via malformed XDR data, as demonstrated by data sent to kadmind.

HIGH · CVSS 9 EPSS 0.05356

Schedule remediation

EPSS percentile: top 10% of all CVEs by exploitation likelihood
CVSS base score ≥ 7.0

Sigma rules0 YARA rules0

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Affected Products & Versions

mit kerberos 5all versions

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Scoring & Timeline

HIGH · 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:C/I:C/A:C

Published to NVD19 Feb 2015 · 11:59 AM

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Vendor Advisories

suse-csafopenSUSE-SU-2024:10004-1
usnUSN-2498-1
suse-csafSUSE-SU-2015:0257-1
rhsaRHSA-2015:0794Moderate
rhsaRHSA-2015:0439Moderate
Show all 7 vendor advisoriessuse-csafSUSE-SU-2015:0290-1
suse-csafSUSE-SU-2015:0290-2

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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://lists.fedoraproject.org/pipermail/package-announce/2015-March/151103.html

http://lists.fedoraproject.org/pipermail/package-announce/2015-March/151437.html

http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00011.html

http://lists.opensuse.org/opensuse-security-announce/2015-02/msg00016.html

http://lists.opensuse.org/opensuse-updates/2015-02/msg00044.html

http://rhn.redhat.com/errata/RHSA-2015-0439.html

Show all 14 references

http://rhn.redhat.com/errata/RHSA-2015-0794.html

http://web.mit.edu/kerberos/advisories/2015-001-patch-r113.txt

http://web.mit.edu/kerberos/advisories/MITKRB5-SA-2015-001.txtVendor Advisory

http://www.debian.org/security/2015/dsa-3153

http://www.mandriva.com/security/advisories?name=MDVSA-2015:069

http://www.securityfocus.com/bid/72496

http://www.ubuntu.com/usn/USN-2498-1

https://github.com/krb5/krb5/commit/a197e92349a4aa2141b5dff12e9dd44c2a2166e3

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