First published: Sun Apr 03 2005(Updated: )
Race condition in bzip2 1.0.2 and earlier allows local users to modify permissions of arbitrary files via a hard link attack on a file while it is being decompressed, whose permissions are changed by bzip2 after the decompression is complete.
Credit: cve@mitre.org
Affected Software | Affected Version | How to fix |
---|---|---|
bzip2 | =0.9 | |
bzip2 | =0.9.5_a | |
bzip2 | =0.9.5_b | |
bzip2 | =0.9.5_c | |
bzip2 | =0.9.5_d | |
bzip2 | =0.9_a | |
bzip2 | =0.9_b | |
bzip2 | =0.9_c | |
bzip2 | =1.0 | |
bzip2 | =1.0.1 | |
bzip2 | =1.0.2 |
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CVE-2005-0953 is considered a moderate severity vulnerability due to its potential for local privilege escalation.
To fix CVE-2005-0953, upgrade bzip2 to version 1.0.3 or later to eliminate the race condition.
CVE-2005-0953 affects local users operating on bzip2 versions 1.0.2 and earlier.
Systems running bzip2 versions from 0.9 to 1.0.2 are vulnerable to CVE-2005-0953.
In the context of CVE-2005-0953, a hard link attack involves exploiting the timing of file decompression to change file permissions.