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This vulnerability has been modified since it was last analyzed by the NVD. It is awaiting reanalysis which may result in further changes to the information provided.
Heap-based buffer overflow in the parse_tag_3_packet function in fs/ecryptfs/keystore.c in the eCryptfs subsystem in the Linux kernel before 184.108.40.206 allows local users to cause a denial of service (system crash) or possibly gain privileges via vectors involving a crafted eCryptfs file, related to a large encrypted key size in a Tag 3 packet.
View Analysis Description
Access Vector (AV):
Access Complexity (AC):
Victim must voluntarily interact with attack mechanismProvides administrator accessAllows unauthorized disclosure of informationAllows disruption of service
The Linux kernel as shipped with Red Hat Enterprise Linux 3, 4, and Red Hat Enterprise MRG did not include support for eCryptfs, and therefore are not affected by this issue.
Red Hat Enterprise Linux 5 was vulnerable to this issue and was addressed via: https://rhn.redhat.com/errata/RHSA-2009-1193.html
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http://www.securityfocus.com/archive/1/505337/100/0/threaded [No Types Assigned]
http://www.securityfocus.com/archive/1/507985/100/0/threaded [No Types Assigned]
http://www.securityfocus.com/archive/1/archive/1/507985/100/0/threaded [No Types Assigned]
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11255 [No Types Assigned]
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8057 [No Types Assigned]
http://oval.mitre.org/repository/data/getDef?id=oval:org.mitre.oval:def:11255 [No Types Assigned]
http://oval.mitre.org/repository/data/getDef?id=oval:org.mitre.oval:def:8057 [No Types Assigned]