CVE-2009-2726
Description
The SIP channel driver in Asterisk Open Source 1.2.x before 1.2.34, 1.4.x before 1.4.26.1, 1.6.0.x before 1.6.0.12, and 1.6.1.x before 1.6.1.4; Asterisk Business Edition A.x.x, B.x.x before B.2.5.9, C.2.x before C.2.4.1, and C.3.x before C.3.1; and Asterisk Appliance s800i 1.2.x before 1.3.0.3 does not use a maximum width when invoking sscanf style functions, which allows remote attackers to cause a denial of service (stack memory consumption) via SIP packets containing large sequences of ASCII decimal characters, as demonstrated via vectors related to (1) the CSeq value in a SIP header, (2) large Content-Length value, and (3) SDP.
Affected products
3Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
7- www.securityfocus.com/bid/36015nvdBroken LinkExploitThird Party AdvisoryVDB Entry
- secunia.com/advisories/36227nvdBroken LinkVendor Advisory
- www.securityfocus.com/archive/1/505669/100/0/threadednvdBroken LinkThird Party AdvisoryVDB Entry
- www.securitytracker.com/idnvdBroken LinkThird Party AdvisoryVDB Entry
- www.vupen.com/english/advisories/2009/2229nvdBroken LinkVendor Advisory
- downloads.digium.com/pub/security/AST-2009-005.htmlnvdProduct
- labs.mudynamics.com/advisories/MU-200908-01.txtnvdBroken Link
News mentions
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