ELOG cmd or mode buffer overflow

elog-cmd-mode-bo (24703)

High Risk

Description:

ELOG is vulnerable to a buffer overflow, caused by improper bounds checking of a URL. By sending a URL request containing an overly long cmd or mode parameter, a remote attacker could overflow a buffer and possibly execute arbitrary code on the system or cause the application to crash..

*CVSS:

Base Score:	7
Access Vector:	Remote
Access Complexity:	Low
Authentication:	Not Required
Confidentiality Impact:	Partial
Integrity Impact:	Partial
Availability Impact:	Partial
Temporal Score:	5.2
Exploitability:	Unproven
Remediation Level:	Official-Fix
Report Confidence:	Confirmed

Consequences:

Gain Access

Remedy:

For Debian GNU/Linux:
Refer to DSA-967-1 for patch or upgrade information. See References.

References:

• ELOG download page: ELOG download page.
• Full-Disclosure Mailing List, 2005-12-19 10:10:29: elogd 2.6.0 overflow.
• BID-15932: ELOG Web Logbook Multiple Remote Buffer Overflow Vulnerabilities
• CVE-2005-4439: Buffer overflow in ELOG elogd 2.6.0-beta4 allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via a URL with a long (1) cmd or (2) mode parameter.
• DSA-967: elog -- several vulnerabilities
• OSVDB ID: 21844: ELOG Multiple Parameter Overflow DoS
• SA18124: ELOG Long Parameter Value Denial of Service Vulnerability
• SECTRACK ID: 1015379: ELOG elogd Can Be Crashed By Remote Users
• VUPEN/ADV-2005-3000: ELOG cmd and mode Parameters Denial of Service Vulnerability

Platforms Affected:

• Debian Debian Linux 3.1
• Stefan Ritt Elog Web Logbook 2.6.0-beta4

Reported:

Feb 10, 2006

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