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CVE
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CVE-2011-0520Date: (C)2011-01-28   (M)2018-02-19


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.

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V2 Severity:
CVSS Score : 7.5
Exploit Score: 10.0
Impact Score: 6.4
 
CVSS V2 Metrics:
Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality: PARTIAL
Integrity: PARTIAL
Availability: PARTIAL
  
Reference:
SECUNIA-43027
SECUNIA-43107
BID-45966
OSVDB-70630
ADV-2011-0699
DSA-2196
http://www.openwall.com/lists/oss-security/2011/01/24/1
http://www.openwall.com/lists/oss-security/2011/01/24/6
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=610834
maradns-compressadddlabelpoints-bo(64885)

CWE    1
CWE-119
OVAL    1
oval:org.secpod.oval:def:600213

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