CVE-2011-4063

chan_sip.c in the SIP channel driver in Asterisk Open Source 1.8.x before 1.8.7.1 and 10.x before 10.0.0-rc1 does not properly initialize variables during request parsing, which allows remote authenticated users to cause a denial of service (daemon crash) via a malformed request.

CVSS v2.0 6.8 MEDIUM

6.8^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:S/C:N/I:N/A:C

Exploitability : 8.0 / Impact : 6.9

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact COMPLETE

References

Link	Resource
http://downloads.digium.com/pub/security/AST-2011-012.html	Vendor Advisory
http://www.securityfocus.com/bid/50177
http://www.securitytracker.com/id?1026191
http://secunia.com/advisories/46420
http://securityreason.com/securityalert/8478
https://exchange.xforce.ibmcloud.com/vulnerabilities/70706
http://www.securityfocus.com/archive/1/520141/100/0/threaded

Advertisement

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:asterisk:open_source:1.8.7:::::::*
	cpe:2.3:a:asterisk:open_source:10.0.0:::::::*

Information

Published : 2011-10-21 03:55

Updated : 2018-10-09 12:33

NVD link : CVE-2011-4063

Mitre link : CVE-2011-4063

JSON object : View

CWE

CWE-20

Improper Input Validation

Advertisement

Products Affected

asterisk

open_source

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "http://downloads.digium.com/pub/security/AST-2011-012.html", "name": "http://downloads.digium.com/pub/security/AST-2011-012.html", "tags": ["Vendor Advisory"], "refsource": "CONFIRM"}, {"url": "http://www.securityfocus.com/bid/50177", "name": "50177", "tags": [], "refsource": "BID"}, {"url": "http://www.securitytracker.com/id?1026191", "name": "1026191", "tags": [], "refsource": "SECTRACK"}, {"url": "http://secunia.com/advisories/46420", "name": "46420", "tags": [], "refsource": "SECUNIA"}, {"url": "http://securityreason.com/securityalert/8478", "name": "8478", "tags": [], "refsource": "SREASON"}, {"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/70706", "name": "asterisk-sip-channel-driver-dos(70706)", "tags": [], "refsource": "XF"}, {"url": "http://www.securityfocus.com/archive/1/520141/100/0/threaded", "name": "20111017 AST-2011-012: Remote crash vulnerability in SIP channel driver", "tags": [], "refsource": "BUGTRAQ"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "chan_sip.c in the SIP channel driver in Asterisk Open Source 1.8.x before 1.8.7.1 and 10.x before 10.0.0-rc1 does not properly initialize variables during request parsing, which allows remote authenticated users to cause a denial of service (daemon crash) via a malformed request."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-20"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2011-4063", "ASSIGNER": "cve@mitre.org"}}, "impact": {"baseMetricV2": {"cvssV2": {"version": "2.0", "baseScore": 6.8, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:C", "authentication": "SINGLE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "COMPLETE", "confidentialityImpact": "NONE"}, "severity": "MEDIUM", "impactScore": 6.9, "obtainAllPrivilege": false, "exploitabilityScore": 8.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}}, "publishedDate": "2011-10-21T10:55Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:asterisk:open_source:1.8.7:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}, {"cpe23Uri": "cpe:2.3:a:asterisk:open_source:10.0.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2018-10-09T19:33Z"}