CVE-2014-4343

Home/CVE/Double free vulnerability in the init_ctx_reselect function in the SPNEGO initiator in lib/gssapi/spnego/spnego_mech.c i

CVE

Double free vulnerability in the init_ctx_reselect function in the SPNEGO initiator in lib/gssapi/spnego/spnego_mech.c i

Double free vulnerability in the init_ctx_reselect function in the SPNEGO initiator in lib/gssapi/spnego/spnego_mech.c in MIT Kerberos 5 (aka krb5) 1.10.x through 1.12.x before 1.12.2 allows remote attackers to cause a denial of service (memory corruption) or possibly execute arbitrary code via network traffic that appears to come from an intended acceptor, but specifies a security mechanism different from the one proposed by the initiator.

HIGH · CVSS 7.6 EPSS 0.07384

Schedule remediation

EPSS percentile: top 8% of all CVEs by exploitation likelihood
CVSS base score ≥ 7.0

Sigma rules0 YARA rules0

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Weakness Classification

CWE-415Double Free

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Affected Products & Versions

debian linuxall versions
mit kerberos 5all versions
redhat enterprise linux desktopall versions
redhat enterprise linux hpc nodeall versions
redhat enterprise linux serverall versions
redhat enterprise linux workstationall versions

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Scoring & Timeline

7.6

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:H/Au:N/C:C/I:C/A:C

Published to NVD14 Aug 2014 · 05:01 AM

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Vendor Advisories

suse-csafopenSUSE-SU-2024:10004-1
rhsaRHSA-2015:0439Moderate
usnUSN-2310-1
rhsaRHSA-2014:1389Moderate

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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://advisories.mageia.org/MGASA-2014-0345.html

http://aix.software.ibm.com/aix/efixes/security/nas_advisory1.asc

http://krbdev.mit.edu/rt/Ticket/Display.html?id=7969Issue TrackingThird Party Advisory

http://lists.fedoraproject.org/pipermail/package-announce/2014-August/136360.html

http://rhn.redhat.com/errata/RHSA-2015-0439.htmlThird Party Advisory

http://secunia.com/advisories/59102

Show all 18 references

http://secunia.com/advisories/60082

http://secunia.com/advisories/60448

http://secunia.com/advisories/61052

http://security.gentoo.org/glsa/glsa-201412-53.xmlThird Party Advisory

http://support.f5.com/kb/en-us/solutions/public/15000/500/sol15553.html

http://www.debian.org/security/2014/dsa-3000Third Party Advisory

http://www.osvdb.org/109390

http://www.securityfocus.com/bid/69159

http://www.securitytracker.com/id/1030706

https://bugzilla.redhat.com/show_bug.cgi?id=1121876

https://exchange.xforce.ibmcloud.com/vulnerabilities/95211

https://github.com/krb5/krb5/commit/f18ddf5d82de0ab7591a36e465bc24225776940fIssue TrackingPatchThird Party Advisory

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