CVE-2020-35776

NameCVE-2020-35776
DescriptionA buffer overflow in res_pjsip_diversion.c in Sangoma Asterisk versions 13.38.1, 16.15.1, 17.9.1, and 18.1.1 allows remote attacker to crash Asterisk by deliberately misusing SIP 181 responses.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severitymedium
Debian Bugs983158

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
asterisk (PTS)stretch (security), stretch1:13.14.1~dfsg-2+deb9u4vulnerable
buster1:16.2.1~dfsg-1+deb10u2vulnerable
bullseye1:16.15.1~dfsg-1vulnerable
sid1:16.16.1~dfsg-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
asterisksource(unstable)1:16.16.1~dfsg-1983158

Notes

https://downloads.asterisk.org/pub/security/AST-2021-001.html
https://issues.asterisk.org/jira/browse/ASTERISK-29227
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