 |
|
|
|
Asterisk SIP DoS
updated since 11.08.2009 | | Published: |  | 17.08.2009 | | Source: |  | BUGTRAQ | | SecurityVulns ID: |  | 10139 | | Type: |  | remote | | Level: |  | 6/10 | | Description: |  | Stack overlow (exhaustion) on SIP request processing. |
| Affected: |  | DIGIUM : Asterisk 1.4 | | | | ASTERISK : Asterisk 1.6 | | CVE: |  | CVE-2009-2726 (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.) |
|
|
|
|
|
|
|
|
