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CVE
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CVE-2011-2529Date: (C)2011-07-06   (M)2018-02-19


chan_sip.c in the SIP channel driver in Asterisk Open Source 1.6.x before 1.6.2.18.1 and 1.8.x before 1.8.4.3 does not properly handle '\0' characters in SIP packets, which allows remote attackers to cause a denial of service (memory corruption) or possibly have unspecified other impact via a crafted packet.

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V3 Severity:CVSS V2 Severity:
CVSS Score : CVSS Score : 5.0
Exploit Score: Exploit Score: 10.0
Impact Score: Impact Score: 2.9
 
CVSS V3 Metrics:CVSS V2 Metrics:
Attack Vector: Access Vector: NETWORK
Attack Complexity: Access Complexity: LOW
Privileges Required: Authentication: NONE
User Interaction: Confidentiality: NONE
Scope: Integrity: NONE
Confidentiality: Availability: PARTIAL
Integrity:  
Availability:  
  
Reference:
SECTRACK-1025706
SECUNIA-45048
SECUNIA-45201
SECUNIA-45239
BID-48431
OSVDB-73307
DSA-2276
FEDORA-2011-8914
IAVM:2011-A-0095
asterisk-sipsockread-dos(68203)
http://downloads.asterisk.org/pub/security/AST-2011-008.diff
http://downloads.asterisk.org/pub/security/AST-2011-008.html

CPE    162
cpe:/a:digium:asterisk:1.6.1.13:rc1
cpe:/a:digium:asterisk:1.6.0.21:rc1
cpe:/a:digium:asterisk:1.6.0.23:rc2
cpe:/a:digium:asterisk:1.6.1.9
...
CWE    1
CWE-119
OVAL    2
oval:org.secpod.oval:def:600586
oval:org.secpod.oval:def:600587

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