ClamXav freshclam --config-file insecure privilege dropping
| clamxav-freshclam-insecure-privileges (26453) |  Low Risk |
Description:
The freshclam binary in ClamXav fails to properly drop privileges when called with the --config-file command. It may be possible for a local attacker to exploit this vulnerability to obtain sensitive information in error messages.
Consequences:
Gain Privileges
Remedy:
Upgrade to the latest version of ClamXav (1.0.4 or later), available from the ClamXav Web site. See References.
References:
- BugTraq Mailing List, Sun May 14 2006 - 20:15:53 CDT: DMA[2006-0514a] - 'ClamAV freshclam incorrect privilege drop'.
- ClamXav Web site: ClamXav.
- Digital Munition Advisory DMA[2006-0514a]: ClamAV freshclam incorrect privilege drop.
- CVE-2006-2427: freshclam in (1) Clam Antivirus (ClamAV) 0.88 and (2) ClamXav 1.0.3h and earlier does not drop privileges before processing the config-file command line option, which allows local users to read portions of arbitrary files when an error message displays the first line of the target file.
- SA20085: ClamXav freshclam suid Permissions Security Issue
- SECTRACK ID: 1016086: Clam AntiVirus `freshclam` May Let Local Users Access Files With Elevated Privileges
- VUPEN/ADV-2006-1807: ClamXav freshclam Insecure Permissions Information Disclosure Vulnerability
Platforms Affected:
- ClamXav.com ClamXav
Reported:
May 14, 2006
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