chan_sip.c in Asterisk Open Source 1.8.x before 1.8.8.2 and 10.x before 10.0.1, when the res_srtp module is used and media support is improperly configured, allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted SDP message with a crypto attribute and a (1) video or (2) text media type, as demonstrated by CSipSimple.
2012-01-25T15:55:01.190
2025-04-11T00:51:21.963
Deferred
CVSSv2: 4.3 (MEDIUM)
AV:N/AC:M/Au:N/C:N/I:N/A:P
8.6
2.9
| Type | Vendor | Product | Version/Range | Vulnerable? |
|---|---|---|---|---|
| Application | asterisk | open_source | 1.8.0 | Yes |
| Application | asterisk | open_source | 1.8.0 | Yes |
| Application | asterisk | open_source | 1.8.0 | Yes |
| Application | asterisk | open_source | 1.8.0 | Yes |
| Application | asterisk | open_source | 1.8.0 | Yes |
| Application | asterisk | open_source | 1.8.0 | Yes |
| Application | asterisk | open_source | 1.8.0 | Yes |
| Application | asterisk | open_source | 1.8.0 | Yes |
| Application | asterisk | open_source | 1.8.0 | Yes |
| Application | asterisk | open_source | 1.8.0 | Yes |
| Application | asterisk | open_source | 1.8.1 | Yes |
| Application | asterisk | open_source | 1.8.1 | Yes |
| Application | asterisk | open_source | 1.8.1.1 | Yes |
| Application | asterisk | open_source | 1.8.1.2 | Yes |
| Application | asterisk | open_source | 1.8.2 | Yes |
| Application | asterisk | open_source | 1.8.2 | Yes |
| Application | asterisk | open_source | 1.8.2.1 | Yes |
| Application | asterisk | open_source | 1.8.2.2 | Yes |
| Application | asterisk | open_source | 1.8.2.3 | Yes |
| Application | asterisk | open_source | 1.8.2.4 | Yes |
| Application | asterisk | open_source | 1.8.3 | Yes |
| Application | asterisk | open_source | 1.8.3 | Yes |
| Application | asterisk | open_source | 1.8.3 | Yes |
| Application | asterisk | open_source | 1.8.3 | Yes |
| Application | asterisk | open_source | 1.8.3.1 | Yes |
| Application | asterisk | open_source | 1.8.3.2 | Yes |
| Application | asterisk | open_source | 1.8.3.3 | Yes |
| Application | asterisk | open_source | 1.8.4 | Yes |
| Application | asterisk | open_source | 1.8.4 | Yes |
| Application | asterisk | open_source | 1.8.4 | Yes |
| Application | asterisk | open_source | 1.8.4 | Yes |
| Application | asterisk | open_source | 1.8.4.1 | Yes |
| Application | asterisk | open_source | 1.8.4.2 | Yes |
| Application | asterisk | open_source | 1.8.4.3 | Yes |
| Application | asterisk | open_source | 1.8.4.4 | Yes |
| Application | asterisk | open_source | 1.8.5 | Yes |
| Application | asterisk | open_source | 1.8.5.0 | Yes |
| Application | asterisk | open_source | 1.8.6.0 | Yes |
| Application | asterisk | open_source | 1.8.6.0 | Yes |
| Application | asterisk | open_source | 1.8.6.0 | Yes |
| Application | asterisk | open_source | 1.8.6.0 | Yes |
| Application | asterisk | open_source | 1.8.7.0 | Yes |
| Application | asterisk | open_source | 1.8.7.0 | Yes |
| Application | asterisk | open_source | 1.8.7.0 | Yes |
| Application | asterisk | open_source | 1.8.7.1 | Yes |
| Application | asterisk | open_source | 1.8.7.2 | Yes |
| Application | asterisk | open_source | 1.8.8.0 | Yes |
| Application | asterisk | open_source | 1.8.8.0 | Yes |
| Application | asterisk | open_source | 1.8.8.0 | Yes |
| Application | asterisk | open_source | 1.8.8.0 | Yes |
| Application | asterisk | open_source | 1.8.8.0 | Yes |
| Application | asterisk | open_source | 1.8.8.0 | Yes |
| Application | asterisk | open_source | 1.8.8.1 | Yes |
| Application | asterisk | open_source | 10.0.0 | Yes |
| Application | asterisk | open_source | 10.0.0 | Yes |
| Application | asterisk | open_source | 10.0.0 | Yes |
| Application | asterisk | open_source | 10.0.0 | Yes |
| Application | asterisk | open_source | 10.0.0 | Yes |
| Application | asterisk | open_source | 10.0.0 | Yes |