b2 b2inc remote command execution
| b2-b2inc-command-execution (9013) |  High Risk |
Description:
b2 could allow a remote attacker to execute arbitrary commands on the Web server. A remote attacker could send a specially-crafted URL request that uses the b2inc parameter to specify a malicious b2functions.php file on the attacker's own system that could be used to execute arbitrary commands or view arbitrary code on the Web server running b2.
Consequences:
Gain Access
Remedy:
Upgrade to the latest version of b2 (0.6pre2-20020409 or later), available from the cafelog Web site. See References.
References:
- BugTraq Mailing List, Mon May 06 2002 - 05:13:37 CDT: b2 php remote command execution.
- cafelog Web site: Index of /releases.
- Full-Disclosure Mailing List, Tue Aug 13 2002 - 12:36:53 CDT: Multiple Vulnerabilities in CafeLog Weblog Package.
- VulnWatch Mailing List, Thu May 29 2003 - 02:22:38 CDT: b2 cafelog 0.6.1 remote command execution..
- BID-4673: B2 B2Config.PHP Remote Command Execution Vulnerability
- CVE-2002-0734: b2edit.showposts.php in B2 2.0.6pre2 and earlier does not properly load the b2config.php file in some configurations, which allows remote attackers to execute arbitrary PHP code via a URL that sets the $b2inc variable to point to a malicious program stored on a remote server.
- OSVDB ID: 50530: CafeLog b2 b2edit.showposts.php b2inc Parameter Remote File Inclusion
Platforms Affected:
- Michel Valdrighi b2 0.6.1
- Michel Valdrighi b2 0.6pre2 and prior
Reported:
May 06, 2002
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