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LHa Multiple Vulnerabilities
Secunia Advisory: SA23153
Release Date: 2006-11-29
Popularity: 6,845 views

Critical:
Moderately critical
Impact: DoS
System access
Where: From remote
Solution Status: Vendor Patch

Software:LHa 1.x

Secunia CVSS-2 Score: Available in Secunia business solutions

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Advisory Content (Page 1 of 3)[ 1 ] [ 2 ] [ 3 ]

Description:
Some vulnerabilities have been reported in LHa, which can be exploited by malicious people to cause a DoS (Denial of Service) and potentially compromise a vulnerable system.

1) An infinite loop within the "read_pt_len()", "read_c_len()", "decode_c_st1()", and "decode_p_st1()" function in huf.c can be exploited to cause a DoS due to CPU consumption by e.g. tricking a user or automated system into unpacking a specially crafted archive.

2) A buffer overflow and a boundary error within the "make_table()" function in maketbl.c can be exploited to modify certain stack data and cause a buffer overflow by e.g. tricking a user or automated system into unpacking a specially crafted archive.

Successful exploitation may allow the execution of arbitrary code.

The vulnerabilities are related to:
SA21996

Change Page:
[ 1 ] [ 2 ] [ 3 ]



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