Improper input validation in Digium Asterisk
CVE-2013-5642
The SIP channel driver (channels/chan_sip.c) in Asterisk Open Source 1.8.x before 1.8.23.1, 10.x before 10.12.3, and 11.x before 11.5.1; Certified Asterisk 1.8.15 before 1.8.15-cert3 and 11.2 before 11.2-cert2; and Asterisk Digiumphones 10.x-digiumphones before 10.12.3-digiumphones allows remote attackers to cause a denial of service (NULL pointer dereference, segmentation fault, and daemon crash) via an invalid SDP that defines a media description before the connection description in a SIP request.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v2 metric
CVSS v2 base score 5.0 (Medium). Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.117 (95.9th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 95.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.117 · newest: 0.117 · change: 0.000
Affected products
- Digium Asterisk — versions 1.8.17.0, 1.8.18.0, 1.8.18.1
- Digium Asterisk Digiumphones — versions 10.0.0, 10.11.0, 10.12.0
- Digium Certified Asterisk — versions 1.8.15, 11.2.0
Weakness classification (CWE)
References
- secunia.com/advisories/54534 (Vendor Advisory, third-party-advisory)
- osvdb.org/96690 (vdb-entry)
- downloads.asterisk.org/pub/security/AST-2013-005.html (Patch, Vendor Advisory)
- secunia.com/advisories/54617 (third-party-advisory)
- www.debian.org/security/2013/dsa-2749 (vendor-advisory)
- issues.asterisk.org/jira/browse/ASTERISK-22007
- www.securitytracker.com/id/1028957 (vdb-entry)
- www.securityfocus.com/bid/62022 (vdb-entry)
- archives.neohapsis.com/archives/bugtraq/2013-08/0174.html (mailing-list)
- www.mandriva.com/security/advisories (vendor-advisory)