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Secunia Security Advisory 51617

Secunia Security Advisory 51617
Posted Jan 15, 2013
Authored by Secunia | Site secunia.com

Secunia Security Advisory - Inshell Security has discovered a vulnerability in Serva, which can be exploited by malicious people to cause a DoS (Denial of Service).

tags | advisory, denial of service
SHA-256 | a53c62ff3e003098017a0019e5a2e19600b73fee89a08eab5a04cf20278d3223

Secunia Security Advisory 51617

Change Mirror Download
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The final version of the CSI 6.0 has been released.
Find out why this is not just another Patch Management solution: http://secunia.com/blog/325/

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TITLE:
Serva DNS Server DNS Query Processing Denial of Service Vulnerability

SECUNIA ADVISORY ID:
SA51617

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/51617/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=51617

RELEASE DATE:
2013-01-15

DISCUSS ADVISORY:
http://secunia.com/advisories/51617/#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/51617/

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=51617

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:
Inshell Security has discovered a vulnerability in Serva, which can
be exploited by malicious people to cause a DoS (Denial of Service).

The vulnerability is caused due to a sign extension error
(Serva32.exe) when processing a DNS query and can be exploited to
crash the server via a specially crafted DNS query.

The vulnerability is confirmed in version 2.0.0. Other versions may
also be affected.

SOLUTION:
No official solution is currently available.

PROVIDED AND/OR DISCOVERED BY:
Julien Ahrens (MrTuxracer), Inshell Security.

ORIGINAL ADVISORY:
http://security.inshell.net/advisory/33

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/

----------------------------------------------------------------------

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.

Subscribe:
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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