CVE-2015-5292

Home/CVE/Memory leak in the Privilege Attribute Certificate (PAC) responder plugin (sssd_pac_plugin.so) in System Security Servic

CVE

Memory leak in the Privilege Attribute Certificate (PAC) responder plugin (sssd_pac_plugin.so) in System Security Servic

Memory leak in the Privilege Attribute Certificate (PAC) responder plugin (sssd_pac_plugin.so) in System Security Services Daemon (SSSD) 1.10 before 1.13.1 allows remote authenticated users to cause a denial of service (memory consumption) via a large number of logins that trigger parsing of PAC blobs during Kerberos authentication.

MEDIUM · CVSS 6.8 EPSS 0.02687

Monitor

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

Sigma rules0 YARA rules0

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Affected Products & Versions

fedoraproject sssdall versions

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Scoring & Timeline

6.8

MEDIUM · CVSS v2 (legacy) · secalert@redhat.com

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:C

Published to NVD29 Oct 2015 · 04:59 PM

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Vendor Advisories

rhsaRHSA-2015:2355Low

rhsaRHSA-2015:2019Low

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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-October/169110.html

http://lists.fedoraproject.org/pipermail/package-announce/2015-October/169597.html

http://lists.fedoraproject.org/pipermail/package-announce/2015-October/169613.html

http://permalink.gmane.org/gmane.linux.redhat.sssd.user/3422Vendor Advisory

http://rhn.redhat.com/errata/RHSA-2015-2019.html

http://rhn.redhat.com/errata/RHSA-2015-2355.html

Show all 13 references

http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html

http://www.securityfocus.com/bid/77529

http://www.securitytracker.com/id/1034038

https://bugzilla.redhat.com/show_bug.cgi?id=1267580

https://fedorahosted.org/sssd/attachment/ticket/2803/0001-Fix-memory-leak-in-sssdpac_verify.patch

https://fedorahosted.org/sssd/ticket/2803

https://fedorahosted.org/sssd/wiki/Releases/Notes-1.13.1

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