Candidate: CVE-2017-7617
PublicDate: 2017-04-10 14:59:00 UTC
References:
 https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-7617
 http://downloads.asterisk.org/pub/security/AST-2017-001.html
 https://bugs.debian.org/859910
Description:
 Remote code execution can occur in Asterisk Open Source 13.x before 13.14.1
 and 14.x before 14.3.1 and Certified Asterisk 13.13 before 13.13-cert3
 because of a buffer overflow in a CDR user field, related to X-ClientCode
 in chan_sip, the CDR dialplan function, and the AMI Monitor action.
Ubuntu-Description:
 Alex Villacis Lasso discovered that asterisk did not properly check the length
 of certain input. A remote attacker could use this vulnerability to cause a
 denial of service (crash) or potentially execute arbitrary code.
Notes:
Bugs:
 http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=859910
Priority: medium
Discovered-by: Alex Villacis Lasso
Assigned-to:
CVSS:
 nvd: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H [8.8 HIGH]

Patches_asterisk:
 upstream: http://downloads.asterisk.org/pub/security/AST-2017-001-13.diff
upstream_asterisk: released (1:13.14.1~dfsg-1)
precise_asterisk: ignored (reached end-of-life)
precise/esm_asterisk: DNE (precise was needed)
trusty_asterisk: ignored (reached end-of-life)
trusty/esm_asterisk: DNE (trusty was not-affected [code not present])
vivid/stable-phone-overlay_asterisk: DNE
vivid/ubuntu-core_asterisk: DNE
xenial_asterisk: ignored (end of standard support, was needed)
yakkety_asterisk: ignored (reached end-of-life)
zesty_asterisk: ignored (reached end-of-life)
artful_asterisk: ignored (reached end-of-life)
bionic_asterisk: not-affected (1:13.18.3~dfsg-1ubuntu4)
cosmic_asterisk: not-affected (1:13.18.3~dfsg-1ubuntu4)
disco_asterisk: not-affected (1:13.18.3~dfsg-1ubuntu4)
eoan_asterisk: not-affected (1:13.18.3~dfsg-1ubuntu4)
focal_asterisk: not-affected (1:13.18.3~dfsg-1ubuntu4)
groovy_asterisk: not-affected (1:13.18.3~dfsg-1ubuntu4)
hirsute_asterisk: not-affected (1:13.18.3~dfsg-1ubuntu4)
impish_asterisk: not-affected (1:13.18.3~dfsg-1ubuntu4)
jammy_asterisk: not-affected (1:13.18.3~dfsg-1ubuntu4)
devel_asterisk: not-affected (1:13.18.3~dfsg-1ubuntu4)