Bug 251921 (CVE-2007-4131)

Summary: CVE-2007-4131 tar directory traversal vulnerability
Product: [Other] Security Response Reporter: Tomas Hoger <thoger>
Component: vulnerabilityAssignee: Red Hat Product Security <security-response-team>
Status: CLOSED ERRATA QA Contact:
Severity: medium Docs Contact:
Priority: medium    
Version: unspecifiedCC: kreilly, rbrich, rvokal
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
Whiteboard:
Fixed In Version: Doc Type: Bug Fix
Doc Text:
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Clone Of: Environment:
Last Closed: 2007-08-31 07:40:30 UTC Type: ---
Regression: --- Mount Type: ---
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On: 252967, 252968, 252969, 252970, 253684, 253685    
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Description Flags
contains_dot_dot patch none

Description Tomas Hoger 2007-08-13 14:23:06 UTC 
Directory traversal vulnerability was discovered in GNU tar.  Vulnerability can
be exploited by specially crafted tar archive to overwrite arbitrary file
writable by user running tar.  Problem occurs in contains_dot_dot function,
which does not properly check names of directory symlinks.

Acknowledgements:

Red Hat would like to thank Dmitry V. Levin for reporting this issue.
Comment 1 Tomas Hoger 2007-08-13 14:25:52 UTC 
Created attachment 161175 [details]
contains_dot_dot patch

Patch by Dmitry V. Levin used by Owl.
Comment 4 Tomas Hoger 2007-08-20 13:33:10 UTC 
Patch is in upstream cvs, embargo removed.
Comment 8 Tomas Hoger 2007-08-23 12:56:15 UTC 
This issue did not affect tar packages as distributed with Red Hat
Enterprise Linux 2.1 or 3.
Comment 9 Tomas Hoger 2007-08-31 07:40:30 UTC 
Issue fixed on all supported platforms, closing Security Response bug.