Improper input validation in Asterisk Open Source
CVE-2011-4063
chan_sip.c in the SIP channel driver in Asterisk Open Source 1.8.x before 1.8.7.1 and 10.x before 10.0.0-rc1 does not properly initialize variables during request parsing, which allows remote authenticated users to cause a denial of service (daemon crash) via a malformed request.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v2 metric
CVSS v2 base score 6.8 (Medium). Vector: AV:N/AC:L/Au:S/C:N/I:N/A:C. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.024 (83.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 83rd percentile — 83.2% 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
- Asterisk Open Source — versions 1.8.7, 10.0.0
Weakness classification (CWE)
References
- www.securitytracker.com/id (vdb-entry)
- securityreason.com/securityalert/8478 (third-party-advisory)
- secunia.com/advisories/46420 (third-party-advisory)
- www.securityfocus.com/archive/1/520141/100/0/threaded (mailing-list)
- www.securityfocus.com/bid/50177 (vdb-entry)
- exchange.xforce.ibmcloud.com/vulnerabilities/70706 (vdb-entry)
- downloads.digium.com/pub/security/AST-2011-012.html (Vendor Advisory)