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CVE-2011-0495Date: (C)2011-01-20   (M)2017-08-18


Stack-based buffer overflow in the ast_uri_encode function in main/utils.c in Asterisk Open Source before 1.4.38.1, 1.4.39.1, 1.6.1.21, 1.6.2.15.1, 1.6.2.16.1, 1.8.1.2, 1.8.2.; and Business Edition before C.3.6.2; when running in pedantic mode allows remote authenticated users to execute arbitrary code via crafted caller ID data in vectors involving the (1) SIP channel driver, (2) URIENCODE dialplan function, or (3) AGI dialplan function.

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V3 Severity:CVSS V2 Severity:
CVSS Score : CVSS Score : 6.0
Exploit Score: Exploit Score: 6.8
Impact Score: Impact Score: 6.4
 
CVSS V3 Metrics:CVSS V2 Metrics:
Attack Vector: Access Vector: NETWORK
Attack Complexity: Access Complexity: MEDIUM
Privileges Required: Authentication: SINGLE_INSTANCE
User Interaction: Confidentiality: PARTIAL
Scope: Integrity: PARTIAL
Confidentiality: Availability: PARTIAL
Integrity:  
Availability:  
  
Reference:
http://www.securityfocus.com/archive/1/archive/1/515781/100/0/threaded
SECUNIA-42935
SECUNIA-43119
SECUNIA-43373
BID-45839
OSVDB-70518
ADV-2011-0159
ADV-2011-0281
ADV-2011-0449
DSA-2171
FEDORA-2011-0774
FEDORA-2011-0794
asterisk-asturiencode-bo(64831)
http://downloads.asterisk.org/pub/security/AST-2011-001-1.6.2.diff
http://downloads.asterisk.org/pub/security/AST-2011-001.html

CPE    229
cpe:/a:digium:asterisk:1.2.8
cpe:/a:digium:asterisk:1.2.9
cpe:/a:digium:asterisk:1.2.6
cpe:/a:digium:asterisk:1.2.7
...
CWE    1
CWE-119
OVAL    3
oval:org.secpod.oval:def:600199
oval:org.secpod.oval:def:101218
oval:org.secpod.oval:def:101223

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