PT-2017-13574 · Sangoma · Asterisk

Richard Mudgett + 1 · Published 2017-10-03 · Updated 2017-11-05 · CVE-2017-14603

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Name of the Vulnerable Software and Affected Versions Asterisk versions 11.x through 11.25.2 Asterisk versions 13.x through 13.17.1 Asterisk versions 14.x through 14.6.1 Certified Asterisk versions 11.x through 11.6-cert17 Certified Asterisk versions 13.x through 13.13-cert5

Description The issue is related to insufficient RTCP packet validation, which could allow reading stale buffer contents. When combined with the nat and symmetric rtp options, it allows redirecting where Asterisk sends the next RTCP report.

Recommendations For Asterisk versions 11.x through 11.25.2, update to version 11.25.3 or later. For Asterisk versions 13.x through 13.17.1, update to version 13.17.2 or later. For Asterisk versions 14.x through 14.6.1, update to version 14.6.2 or later. For Certified Asterisk versions 11.x through 11.6-cert17, update to version 11.6-cert18 or later. For Certified Asterisk versions 13.x through 13.13-cert5, update to version 13.13-cert6 or later.

Fix

Information Disclosure

Weakness Enumeration

CWE-200

Related Identifiers

CVE-2017-14603

DSA-3990-1

Affected Products

Asterisk

References · 17

• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-14603 · Security Note
• https://security-tracker.debian.org/tracker/source-package/asterisk · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2017-14603 · Vendor Advisory
• https://osv.dev/vulnerability/DSA-3990-1 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2017-14603 · Security Note
• http://downloads.asterisk.org/pub/security/AST-2017-008.html · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2017-14603 · Vendor Advisory
• http://debian.org/security/2017/dsa-3990 · Vendor Advisory
• https://ubuntu.com/security/CVE-2017-14603 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2017-14603 · Vendor Advisory
• https://security-tracker.debian.org/tracker/DSA-3990-1 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2017-14603 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2017-14603 · Vendor Advisory
• https://packages.debian.org/src:asterisk · Note
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-14603 · Note