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Secunia Security Advisory 46153

Secunia Security Advisory 46153
Posted Nov 5, 2011
Authored by Secunia | Site secunia.com

Secunia Security Advisory - A vulnerability has been reported in ldns, which can be exploited by malicious people to compromise an application using the library.

tags | advisory
MD5 | 3042c2fa142792673ee2f76d82d922ac

Secunia Security Advisory 46153

Change Mirror Download
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TITLE:
ldns Unknown RR Type Handling Buffer Overflow Vulnerability

SECUNIA ADVISORY ID:
SA46153

VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/46153/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=46153

RELEASE DATE:
2011-09-23

DISCUSS ADVISORY:
http://secunia.com/advisories/46153/#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/46153/

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=46153

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 ldns, which can be exploited by
malicious people to compromise an application using the library.

The vulnerability is caused due to a boundary error in the
"ldns_rr_new_frm_str_internal()" function in rr.c when handling the
data of unknown RR types ("\#"). This can be exploited to cause a
heap-based buffer overflow by e.g. processing specially crafted DNS
Resource Records.

Successful exploitation may allow execution of arbitrary code.

The vulnerability is reported in version 1.6.10. Other versions may
also be affected.

SOLUTION:
Update to version 1.6.11.

PROVIDED AND/OR DISCOVERED BY:
Reported by David Keeler in a bug report.

ORIGINAL ADVISORY:
http://www.nlnetlabs.nl/bugs-script/show_bug.cgi?id=403

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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