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CVE-2011-0520
CVE information
Published
Last Modified
CVSSv2.0 Severity
Impact Analysis
Description
The compress_add_dlabel_points function in dns/Compress.c in MaraDNS 1.4.03, 1.4.05, and probably other versions allows remote attackers to cause a denial of service (segmentation fault) and possibly execute arbitrary code via a long DNS hostname with a large number of labels, which triggers a heap-based buffer overflow..
CVSSv2.0 Score
- Severity
- High
- Base Score
- 7.5/10
- Exploit Score
- 10/10
- Access Vector
- Network
- Access Complexity
- Low
- Authentication Required
- None
- Impact Score
- 6.4/10
- Confidentiality Impact
- Partial
- Availability Impact
- Partial
- Integrity Impact
- Partial
Products Affected
CPE | Affected | Vulnerable | Excluding | Edit |
---|---|---|---|---|
cpe:2.3:a:maradns:maradns:1.4.05:*:*:*:*:*:*:* |
Yes
|
- | - | |
cpe:2.3:a:maradns:maradns:1.4.03:*:*:*:*:*:*:* |
Yes
|
- | - |
References
- http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=610834
- http://www.securityfocus.com/bid/45966
- http://www.openwall.com/lists/oss-security/2011/01/24/1
- http://secunia.com/advisories/43027
- http://osvdb.org/70630
- http://www.openwall.com/lists/oss-security/2011/01/24/6
- http://www.debian.org/security/2011/dsa-2196
- http://secunia.com/advisories/43107
- http://www.vupen.com/english/advisories/2011/0699
- https://exchange.xforce.ibmcloud.com/vulnerabilities/64885