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Sun Java System Web Proxy Server SOCKS Module Buffer Overflows
Secunia Advisory: SA25405
Release Date: 2007-05-28
Last Update: 2007-09-11
Popularity: 14,600 views

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

Software:Sun Java System Web Proxy Server 3.x
Sun Java System Web Proxy Server 4.x

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CVE reference:CVE-2007-2881


Description:
Two vulnerabilities have been reported in Sun Java System Web Proxy Server, which can be exploited by malicious people to compromise a vulnerable system.

The vulnerabilities are caused due to boundary errors within the SOCKS module and can be exploited to cause stack-based buffer overflows by sending specially crafted packets to the SOCKS server.

Successful exploitation allows execution of arbitrary code.

The vulnerabilities are reported in versions 4.0.4 and prior.

Solution:
Update to version 4.0 Service Pack 5 or apply patches.

Sun Java System Web Proxy Server 4.0 Service Pack 5:
http://www.sun.com/download/products.xml?id=4648dc96

-- SPARC Platform --

Sun Java System Web Proxy Server 4.0:
Apply Service Pack 5 or later or patch 120981-12 or later.
http://sunsolve.sun.com/search/docume...setkey=urn:cds:docid:1-21-120981-12-1

-- x86 Platform --

Sun Java System Web Proxy Server 4.0:
Apply Service Pack 5 or later or patch 120982-12 or later.
http://sunsolve.sun.com/search/docume...setkey=urn:cds:docid:1-21-120982-12-1

-- Linux --

Sun Java System Web Proxy Server 4.0:
Apply Service Pack 5 or later or patch 120983-12 or later.
http://sunsolve.sun.com/search/docume...setkey=urn:cds:docid:1-21-120983-12-1

-- HP-UX --

Sun Java System Web Proxy Server 4.0:
Apply Service Pack 5 or later

-- Windows --

Sun Java System Web Proxy Server 4.0:
Apply Service Pack 5 or later or patch 126325-02 or later.
http://sunsolve.sun.com/search/docume...setkey=urn:cds:docid:1-21-126325-02-1

Provided and/or discovered by:
Discovered by an anonymous person and reported via iDefense Labs.

Changelog:
2007-05-31: Added link to US-CERT.
2007-06-01: Added CVE reference.
2007-09-11: Updated "Solution" section with information about patches.

Original Advisory:
Sun:
http://sunsolve.sun.com/search/document.do?assetkey=1-26-102927-1

iDefense Labs:
http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=536

Other References:
US-CERT VU#746889:
http://www.kb.cert.org/vuls/id/746889


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