Vulnerability Details : CVE-2009-0871

The SIP channel driver in Asterisk Open Source 1.4.22, 1.4.23, and 1.4.23.1; 1.6.0 before 1.6.0.6; 1.6.1 before 1.6.1.0-rc2; and Asterisk Business Edition C.2.3, with the pedantic option enabled, allows remote authenticated users to cause a denial of service (crash) via a SIP INVITE request without any headers, which triggers a NULL pointer dereference in the (1) sip_uri_headers_cmp and (2) sip_uri_params_cmp functions.
Published 2009-03-11 14:19:15
Updated 2018-10-10 19:32:16
Source MITRE
View at NVD,   CVE.org
Vulnerability category: Memory CorruptionInput validationDenial of service

Threat overview for CVE-2009-0871

Top countries where our scanners detected CVE-2009-0871
Top open port discovered on systems with this issue 80
IPs affected by CVE-2009-0871 5
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2009-0871!
*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2009-0871

EPSS FAQ
2.51%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 90 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2009-0871

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
3.5
 LOW AV:N/AC:M/Au:S/C:N/I:N/A:P
6.8
2.9
 NIST

CWE ids for CVE-2009-0871

  • The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2009-0871

Products affected by CVE-2009-0871

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