Vulnerability in Asterisk Open Source
CVE-2012-0885
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.
Published · last modified .
CVSS v2 metric
CVSS v2 base score 4.3 (Medium). Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.024 (83.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 83rd percentile — 83.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.025 · newest: 0.024 · change: -0.001
Affected products
- Asterisk Open Source — versions 1.8.0, 1.8.1, 1.8.1.1
References
- downloads.asterisk.org/pub/security/AST-2012-001-10.diff (Patch)
- issues.asterisk.org/jira/browse/ASTERISK-19202
- downloads.asterisk.org/pub/security/AST-2012-001-1.8.diff (Patch)
- www.openwall.com/lists/oss-security/2012/01/20/16 (mailing-list)
- www.openwall.com/lists/oss-security/2012/01/20/18 (mailing-list)
- issues.asterisk.org/jira/secure/attachment/42202/issueA19202_crypto_if_uninited… (Exploit)
- bugzilla.redhat.com/show_bug.cgi
- downloads.asterisk.org/pub/security/AST-2012-001.html (Vendor Advisory)