Sun Solaris gzip modify privileges of hard linked files
| solaris-gzip-modify-privileges (17577) |  High Risk |
Description:
Solaris could allow a local attacker to gain elevated privileges. By issuing the gzip command and specifying the -force or -f command line option, a local unprivileged user could modify the permission of hard linked files. A local attacker could use this vulnerability to view or modify files owned by the user invoking the gzip command.
Consequences:
Gain Privileges
Remedy:
Apply the appropriate patch for your system, as listed below. Refer to Sun Alert ID: 57600 for more information. See References.
SPARC Platform:
Solaris 8: 112668-02 or later
x86 Platform:
Solaris 8: 112669-02 or later
References:
- Sun Alert ID: 57600 : The gzip(1) Command May Change the Permissions of Hard Linked Files on Solaris 8 Systems .
- BID-11318: Sun Solaris Gzip File Permission Modification Vulnerability
- CVE-2004-1349: gzip before 1.3 in Solaris 8, when called with the -f or -force flags, will change the permissions of files that are hard linked to the target files, which allows local users to view or modify these files.
- SA12744: Sun Solaris gzip "-force" File Permissions Change Vulnerability
- US-CERT VU#635998: Sun Solaris gzip may change permissions of hard linked files
Platforms Affected:
- Sun Solaris 8
Reported:
Oct 01, 2004
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