Information disclosure in Digium Asterisk
CVE-2011-4598
The handle_request_info function in channels/chan_sip.c in Asterisk Open Source 1.6.2.x before 1.6.2.21 and 1.8.x before 1.8.7.2, when automon is enabled, allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via a crafted sequence of SIP requests.
Vulnerability class: Information Disclosure
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 (83.0th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 83rd percentile — 83.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.024 · newest: 0.024 · change: 0.000
Affected products
- Digium Asterisk — versions 1.8.0, 1.8.1, 1.8.1.1
Weakness classification (CWE)
References
- openwall.com/lists/oss-security/2011/12/09/4 (mailing-list)
- openwall.com/lists/oss-security/2011/12/09/3 (mailing-list)
- secunia.com/advisories/47273 (third-party-advisory)
- osvdb.org/77598 (vdb-entry)
- downloads.asterisk.org/pub/security/AST-2011-014.html
- www.debian.org/security/2011/dsa-2367 (vendor-advisory)