Lhaca Extended Header Size buffer overflow
| lhaca-extendedheadersize-bo (35297) |  High Risk |
Description:
Lhaca is vulnerable to a stack-based buffer overflow. By persuading a victim to open a specially-crafted .LZH archive containing an "Extended Header Size" value greater than 255 bytes, a remote attacker could overflow a buffer and execute arbitrary code on the system with elevated privileges or cause the application to crash.
Platforms Affected:
- Lhaca, Lhaca prior to 1.22
Remedy:
Upgrade to the latest version of Lhaca (1.23 or later), available from the Lhaca Web site. See References.
Consequences:
Gain Access
References:
- Lhaca Web site, Lhaca at http://park8.wakwak.com/~app/Lhaca/.
- vuln.sg Vulnerability Research Advisory 2007-07-01, Lhaca LHA Extended Header Handling Buffer Overflow Vulnerability at http://vuln.sg/lhaca121-en.html.
- CVE-2007-3512: Stack-based buffer overflow in Lhaca File Archiver before 1.22 allows user-assisted remote attackers to execute arbitrary code via a large LHA Extended Header Size value in an LZH archive, a different issue than CVE-2007-3375.
- SA25797: Lhaca LZH Archive Processing Buffer Overflow Vulnerability
- VUPEN/ADV-2007-2399: Lhaca LZH Archive Extended Header Size Processing Buffer Overflow Vulnerability
Reported:
Jun 25, 2007
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