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TITLE:
Gigaset A580 IP SIP "Contact" Header Username Disclosure Weakness

SECUNIA ADVISORY ID:
SA45753

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/45753/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=45753

RELEASE DATE:
2011-08-31

DISCUSS ADVISORY:
http://secunia.com/advisories/45753/#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/45753/

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=45753

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 weakness has been reported in Gigaset A580 IP, which can be
exploited by malicious people to disclose sensitive information.

The weakness is caused due to an error when processing the SIP
OPTIONS request and can be exploited to disclose the username by
sending a "From" header with an empty SIP username field.

SOLUTION:
Filter malicious requests using a proxy.

PROVIDED AND/OR DISCOVERED BY:
Francesco Tornieri

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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Please Note:
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