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CVE-2015-5292

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Date: October 29, 2015

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.

Language: C

Severity Score

Related Resources (17)

http://www.securityfocus.com/bid/77529
https://fedorahosted.org/sssd/ticket/2803
https://fedorahosted.org/sssd/attachment/ticket/2803/0001-Fix-memory-leak-in-sssdpac_verify.patch
http://permalink.gmane.org/gmane.linux.redhat.sssd.user/3422
https://access.redhat.com/security/cve/CVE-2015-5292
https://fedorahosted.org/sssd/wiki/Releases/Notes-1.13.1
https://security-tracker.debian.org/tracker/CVE-2015-5292
http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
https://bugzilla.redhat.com/show_bug.cgi?id=1267580
http://www.securitytracker.com/id/1034038
http://rhn.redhat.com/errata/RHSA-2015-2355.html
http://rhn.redhat.com/errata/RHSA-2015-2019.html
http://lists.fedoraproject.org/pipermail/package-announce/2015-October/169597.html
http://lists.fedoraproject.org/pipermail/package-announce/2015-October/169613.html
https://nvd.nist.gov/vuln/detail/CVE-2015-5292
http://lists.fedoraproject.org/pipermail/package-announce/2015-October/169110.html
https://www.mend.io/vulnerability-database/CVE-2015-5292

Severity Score

Weakness Type (CWE)

Resource Management Errors

CWE-399

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): LOW
Authentication (AU): SINGLE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): COMPLETE
Additional information:

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