Secunia Security Advisory - A vulnerability has been discovered in MaraDNS, which can be exploited by malicious people to cause a DoS (Denial of Service) and potentially compromise a vulnerable system.
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TITLE:
MaraDNS "compress_add_dlabel_points()" Buffer Overflow Vulnerability
SECUNIA ADVISORY ID:
SA43027
VERIFY ADVISORY:
Secunia.com
http://secunia.com/advisories/43027/
Customer Area (Credentials Required)
https://ca.secunia.com/?page=viewadvisory&vuln_id=43027
RELEASE DATE:
2011-01-24
DISCUSS ADVISORY:
http://secunia.com/advisories/43027/#comments
AVAILABLE ON SITE AND IN CUSTOMER AREA:
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* Comments
* Criticality Level
* Impact
* Where
* Solution Status
* Operating System / Software
* CVE Reference(s)
http://secunia.com/advisories/43027/
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https://ca.secunia.com/?page=viewadvisory&vuln_id=43027
ONLY AVAILABLE WITH SECUNIA CSI AND SECUNIA PSI:
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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 MaraDNS, which can be
exploited by malicious people to cause a DoS (Denial of Service) and
potentially compromise a vulnerable system.
The vulnerability is caused due to an error within the
"compress_add_dlabel_points()" function in dns/Compress.c, which can
be exploited to cause a heap-based buffer overflow by sending a
specially crafted request.
The vulnerability is confirmed in version 1.4.05. Other versions may
also be affected.
SOLUTION:
Restrict access to trusted users only.
PROVIDED AND/OR DISCOVERED BY:
Reported in a Debian bug by Witold Baryluk.
ORIGINAL ADVISORY:
Debian Bug #610834:
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=610834
OTHER REFERENCES:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/
DEEP LINKS:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/
EXTENDED DESCRIPTION:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/
EXTENDED SOLUTION:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/
EXPLOIT:
Further details available in Customer Area:
http://secunia.com/products/corporate/EVM/
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