Bug 251921 (CVE-2007-4131) - CVE-2007-4131 tar directory traversal vulnerability
Summary: CVE-2007-4131 tar directory traversal vulnerability
Keywords:
Status: CLOSED ERRATA
Alias: CVE-2007-4131
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Red Hat Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 252967 252968 252969 252970 253684 253685
Blocks:
TreeView+ depends on / blocked
 
Reported: 2007-08-13 14:23 UTC by Tomas Hoger
Modified: 2023-05-11 12:45 UTC (History)
3 users (show)

Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Clone Of:
Environment:
Last Closed: 2007-08-31 07:40:30 UTC
Embargoed:

Attachments (Terms of Use)
contains_dot_dot patch (531 bytes, patch)
2007-08-13 14:25 UTC, Tomas Hoger 		no flags Details | Diff
View All


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2007:0860 0 normal SHIPPED_LIVE Moderate: tar security update 2008-01-08 00:44:53 UTC

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.
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