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TITLE:
Squid Gopher Response Processing Buffer Overflow Vulnerability

SECUNIA ADVISORY ID:
SA45805

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/45805/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=45805

RELEASE DATE:
2011-08-30

DISCUSS ADVISORY:
http://secunia.com/advisories/45805/#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/45805/

ONLY AVAILABLE IN CUSTOMER AREA:
 * Authentication Level
 * Report Reliability
 * Secunia PoC
 * Secunia Analysis
 * Systems Affected
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https://ca.secunia.com/?page=viewadvisory&vuln_id=45805

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 Squid, which can be exploited by
malicious people to cause a DoS (Denial of Service) or potentially
compromise a vulnerable system.

The vulnerability is caused due to a boundary error when processing
Gopher responses and can be exploited to cause a buffer overflow via
an overly long string.

Successful exploitation may allow execution of arbitrary code.

This is related to vulnerability #2 in:
SA13825

The vulnerability is reported in versions 3.0.x prior to 3.0.STABLE25
and 3.1.x prior to 3.1.14

SOLUTION:
Update to version 3.0.STABLE26 or 3.1.15.

PROVIDED AND/OR DISCOVERED BY:
The vendor credits Ben Hawkes, Google Security Team.

ORIGINAL ADVISORY:
http://www.squid-cache.org/Advisories/SQUID-2011_3.txt

OTHER REFERENCES:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

DEEP LINKS:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXTENDED DESCRIPTION:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXTENDED SOLUTION:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

EXPLOIT:
Further details available in Customer Area:
http://secunia.com/vulnerability_intelligence/

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About:
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private users keeping their systems up to date against the latest
vulnerabilities.

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