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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
 * Approve Distribution
 * Remediation Status
 * Secunia CVSS Score
 * CVSS

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:
This Advisory was delivered by Secunia as a free service to help
private users keeping their systems up to date against the latest
vulnerabilities.

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http://secunia.com/advisories/secunia_security_advisories/

Definitions: (Criticality, Where etc.)
http://secunia.com/advisories/about_secunia_advisories/


Please Note:
Secunia recommends that you verify all advisories you receive by
clicking the link.
Secunia NEVER sends attached files with advisories.
Secunia does not advise people to install third party patches, only
use those supplied by the vendor.

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