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CVE
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CVE-2011-2535Date: (C)2011-07-06   (M)2018-02-19


chan_iax2.c in the IAX2 channel driver in Asterisk Open Source 1.4.x before 1.4.41.1, 1.6.2.x before 1.6.2.18.1, and 1.8.x before 1.8.4.3, and Asterisk Business Edition C.3 before C.3.7.3, accesses a memory address contained in an option control frame, which allows remote attackers to cause a denial of service (daemon crash) or possibly have unspecified other impact via a crafted frame.

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-1025708
SECUNIA-44973
SECUNIA-45048
SECUNIA-45201
SECUNIA-45239
BID-48431
OSVDB-73309
DSA-2276
FEDORA-2011-8914
IAVM:2011-A-0095
asterisk-iax2channeldriver-dos(68205)
http://downloads.asterisk.org/pub/security/AST-2011-010-1.8.diff
http://downloads.asterisk.org/pub/security/AST-2011-010.html

CPE    195
cpe:/a:digium:asterisk:c.3.6.4:-:business
cpe:/a:digium:asterisk:c.3.1.1:-:business
cpe:/a:digium:asterisk:c.3.1.0:-:business
cpe:/a:digium:asterisk:c.3.6.2:-:business
...
CWE    1
CWE-20
OVAL    2
oval:org.secpod.oval:def:600586
oval:org.secpod.oval:def:600587

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