CVE-2017-14603

NameCVE-2017-14603
DescriptionIn Asterisk 11.x before 11.25.3, 13.x before 13.17.2, and 14.x before 14.6.2 and Certified Asterisk 11.x before 11.6-cert18 and 13.x before 13.13-cert6, insufficient RTCP packet validation could allow reading stale buffer contents and when combined with the "nat" and "symmetric_rtp" options allow redirecting where Asterisk sends the next RTCP report.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, GitHub code/issues, web search, more)
ReferencesDSA-3990-1
NVD severitymedium (attack range: remote)
Debian Bugs876328

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
asterisk (PTS)wheezy1:1.8.13.1~dfsg1-3+deb7u3vulnerable
wheezy (security)1:1.8.13.1~dfsg1-3+deb7u7vulnerable
jessie (security), jessie1:11.13.1~dfsg-2+deb8u4fixed
stretch (security), stretch1:13.14.1~dfsg-2+deb9u2fixed
buster1:13.18.1~dfsg-1fixed
sid1:13.18.3~dfsg-1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
asterisksource(unstable)1:13.17.2~dfsg-1medium876328
asterisksourcejessie1:11.13.1~dfsg-2+deb8u4mediumDSA-3990-1
asterisksourcestretch1:13.14.1~dfsg-2+deb9u2mediumDSA-3990-1

Notes

[wheezy] - asterisk <ignored> (strictrtp option is disabled by default. Too intrusive too backport)
http://downloads.asterisk.org/pub/security/AST-2017-008.html
https://issues.asterisk.org/jira/browse/ASTERISK-27274
https://issues.asterisk.org/jira/browse/ASTERISK-27252

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