114694 : [GLSA-200409-13] LHa: Multiple Vulnerabilities

Risk 5 : Gentoo Local Checks

The remote host is affected by the vulnerability described in GLSA-200409-13 (LHa: Multiple vulnerabilities)

The command line argument as well as the archive parsing code of LHa lack sufficient bounds checking. Furthermore, a shell meta character command execution vulnerability exists in LHa, since it does no proper filtering on directory names. Impact

Using a specially crafted command line argument or archive, an attacker can cause a buffer overflow and could possibly run arbitrary code. The shell meta character command execution could lead to the execution of arbitrary commands by an attacker using directories containing shell meta characters in their names. Workaround

There is no known workaround at this time.

Solution:
All LHa users should upgrade to the latest stable version: # emerge sync # emerge -pv ">=app-arch/lha-114i-r4" # emerge ">=app-arch/lha-114i-r4"
References:
CVSS Information:
Low Attack Complexity, Complete Confidentiality Impact, Complete Integrity Impact, Complete Availability Impact
Credit:
Tenable : 2009-12-04
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