GLSA-200611-24 : LHa: Multiple vulnerabilities

This script is Copyright (C) 2006-2016 Tenable Network Security, Inc.

Synopsis :

The remote Gentoo host is missing one or more security-related

Description :

The remote host is affected by the vulnerability described in GLSA-200611-24
(LHa: Multiple vulnerabilities)

Tavis Ormandy of the Google Security Team discovered several
vulnerabilities in the LZH decompression component used by LHa. The
make_table function of unlzh.c contains an array index error and a
buffer overflow vulnerability. The build_tree function of unpack.c
contains a buffer underflow vulnerability. Additionally, unlzh.c
contains a code that could run in an infinite loop.

Impact :

By enticing a user to uncompress a specially crafted archive, a remote
attacker could cause a Denial of Service by CPU consumption or execute
arbitrary code with the rights of the user running the application.

Workaround :

There is no known workaround at this time.

See also :

Solution :

All LHa users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose '>=app-arch/lha-114i-r6'

Risk factor :

High / CVSS Base Score : 7.5
CVSS Temporal Score : 6.1
Public Exploit Available : false

Family: Gentoo Local Security Checks

Nessus Plugin ID: 23746 (gentoo_GLSA-200611-24.nasl)

Bugtraq ID:

CVE ID: CVE-2006-4335

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