Stack-based buffer overflow in Lhaca File Archiver before 1.21 allows user-assisted remote attackers to execute arbitrary code via a crafted LZH archive, as exploited by malware such as Trojan.Lhdropper.
CVSS Severity (version 2.0):
Impact Subscore: 6.4
Exploitability Subscore: 8.6
CVSS Version 2 Metrics:
Access Vector: Network exploitable; Victim must voluntarily interact with attack mechanism
Access Complexity: Medium
Authentication: Not required to exploit
Impact Type: Provides unauthorized access, Allows partial confidentiality, integrity, and availability violation; Allows unauthorized disclosure of information; Allows disruption of service
Official Statement from Red Hat (07/10/2007)
Not vulnerable, Red Hat do not ship the Lhaca file archiver. Note that an identical flaw was found affecting the lha file archiver in 2004, CVE-2004-0234. This issue was corrected by security update RHSA-2004:178 for Red Hat Enterprise Linux 2.1 and 3. Red Hat
Enterprise Linux 4 was not vulnerable as it contained a backported patch to correct this issue from release.
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US-CERT Vulnerability Note:
Vulnerable software and versions