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CVE
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CVE-2015-5292Date: (C)2015-12-15   (M)2018-02-19


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.

CVSS V3 Severity:CVSS V2 Severity:
CVSS Score  : CVSS Score  : 6.8
Exploit Score: Exploit Score: 8.0
Impact Score : Impact Score : 6.9
 
CVSS V3 Metrics:CVSS V2 Metrics:
Attack Vector: Access Vector: NETWORK
Attack Complexity: Access Complexity: LOW
Privileges Required: Authentication: SINGLE_INSTANCE
User Interaction: Confidentiality: NONE
Scope: Integrity: NONE
Confidentiality: Availability: COMPLETE
Integrity:  
Availability:  
  





Reference:
SECTRACK-1034038
BID-77529
FEDORA-2015-202c127199
FEDORA-2015-7b47df69d3
FEDORA-2015-cdea5324a8
RHSA-2015:2019
RHSA-2015:2355
http://permalink.gmane.org/gmane.linux.redhat.sssd.user/3422
http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
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

CPE    17
cpe:/a:fedoraproject:sssd:1.11.4
cpe:/a:fedoraproject:sssd:1.12.3
cpe:/a:fedoraproject:sssd:1.11.5
cpe:/a:fedoraproject:sssd:1.12.4
...
CWE    1
CWE-399
OVAL    9
oval:org.secpod.oval:def:109599
oval:org.secpod.oval:def:204252
oval:org.secpod.oval:def:1501258
oval:org.secpod.oval:def:203768
...

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