Unscored severity · published Mar 11, 2009
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…
–
CVSS
2.6%
EPSS
No
On KEV
Description
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.
Exploitation
Is it being used?
Exploit prediction (EPSS)2.6% · higher than 85% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AS
Asterisk · Digium
1.4.22; 1.4.23; 1.4.23.1; 1.6.0; 1.6.0; 1.6.0; +24 more · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2009-0871
CVE.org
https://www.cve.org/CVERecord?id=CVE-2009-0871
bugs.digium.com
http://bugs.digium.com/view.php?id=13547
bugs.digium.com
http://bugs.digium.com/view.php?id=14417
Patch
http://downloads.digium.com/pub/security/AST-2009-002.html
osvdb.org
http://osvdb.org/52568
Vendor Advisory
http://secunia.com/advisories/34229
www.securityfocus.com
http://www.securityfocus.com/archive/1/501656/100/0/threaded
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