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TITLE:
Explzsh LHA Processing Buffer Overflow Vulnerability

SECUNIA ADVISORY ID:
SA40324

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/40324/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=40324

RELEASE DATE:
2010-06-28

DISCUSS ADVISORY:
http://secunia.com/advisories/40324/#comments

AVAILABLE ON SITE AND IN CUSTOMER AREA:
 * Last Update
 * Popularity
 * Comments
 * Criticality Level
 * Impact
 * Where
 * Solution Status
 * Operating System / Software
 * CVE Reference(s)

http://secunia.com/advisories/40324/

ONLY AVAILABLE IN CUSTOMER AREA:
 * Authentication Level
 * Report Reliability
 * Secunia PoC
 * Secunia Analysis
 * Systems Affected
 * Approve Distribution
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 * Secunia CVSS Score
 * CVSS

https://ca.secunia.com/?page=viewadvisory&vuln_id=40324

ONLY AVAILABLE WITH SECUNIA CSI AND SECUNIA PSI:
 * AUTOMATED SCANNING

http://secunia.com/vulnerability_scanning/personal/
http://secunia.com/vulnerability_scanning/corporate/wsus_sccm_3rd_third_party_patching/

DESCRIPTION:
A vulnerability has been reported in Explzsh, which can be exploited
by malicious people to compromise a user's system.

The vulnerability is caused due to a boundary error when processing
the header of certain LHA archives. This can be exploited to cause a
buffer overflow by e.g. tricking a user into opening a specially
crafted LHA archive.

The vulnerability is reported in version 5.62. Prior versions may
also be affected.

SOLUTION:
Update to version 5.63.

Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

PROVIDED AND/OR DISCOVERED BY:
JVN credits Kenju Takano.

ORIGINAL ADVISORY:
Explzsh:
http://www.ponsoftware.com/archiver/bug.htm#lzh_bufover

JVN:
http://jvn.jp/en/jp/JVN34729123/index.html
http://jvndb.jvn.jp/en/contents/2010/JVNDB-2010-000026.html

OTHER REFERENCES:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

DEEP LINKS:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

EXTENDED DESCRIPTION:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

EXTENDED SOLUTION:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

EXPLOIT:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/

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About:
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