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Secunia Security Advisory 51299

Secunia Security Advisory 51299
Posted Nov 26, 2012
Authored by Secunia | Site secunia.com

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

tags | advisory, denial of service
systems | openbsd
SHA-256 | 52a834674389e78d1d6edad3245c756ad34424fb5d62c4beea2c53c998123ca2

Secunia Security Advisory 51299

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:
OpenBSD Portmap Denial of Service Vulnerability

SECUNIA ADVISORY ID:
SA51299

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/51299/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=51299

RELEASE DATE:
2012-11-26

DISCUSS ADVISORY:
http://secunia.com/advisories/51299/#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/51299/

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=51299

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 discovered in OpenBSD, which can be
exploited by malicious people to cause a DoS (Denial of Service).

The vulnerability is caused due to an error when handling multiple
RPC requests and can be exploited to crash the portmap daemon via
specially crafted packets sent to TCP port 111.

Successful exploitation requires portmap (required for NFS) to be
enabled (disabled by default).

The vulnerability is confirmed in versions 5.1 and 5.2. Other
versions may also be affected.

SOLUTION:
No official solution is currently available.

PROVIDED AND/OR DISCOVERED BY:
Reported by an anonymous person via a mailing list.

ORIGINAL ADVISORY:
http://archives.neohapsis.com/archives/fulldisclosure/2012-11/0169.html

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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