Home/CVE/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 pr
CVE

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 pr

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.

MEDIUM · CVSS 6.8 EPSS 0.06434
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  • EPSS percentile: top 9% of all CVEs by exploitation likelihood
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-20Improper Input Validation
▤

Affected Products & Versions

1
asterisk open sourceall versions
▣

Scoring & Timeline

6.8
MEDIUM · CVSS v2 (legacy) · cve@mitre.org
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This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.
v2 Vector
AV:N/AC:L/Au:S/C:N/I:N/A:C
Published to NVD21 Oct 2011 · 10:55 AM
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References & Sources

7
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://downloads.digium.com/pub/security/AST-2011-012.htmlVendor Advisory
http://secunia.com/advisories/46420
http://securityreason.com/securityalert/8478
http://www.securityfocus.com/archive/1/520141/100/0/threaded
http://www.securityfocus.com/bid/50177
http://www.securitytracker.com/id?1026191
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