CVE-2021-3618

NameCVE-2021-3618
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)
Debian Bugs991328, 991329, 991331

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
nginx (PTS)stretch1.10.3-1+deb9u4vulnerable
stretch (security)1.10.3-1+deb9u7vulnerable
buster, buster (security)1.14.2-2+deb10u4vulnerable
bullseye, sid1.18.0-6.1vulnerable
sendmail (PTS)stretch8.15.2-8+deb9u1vulnerable
buster8.15.2-14~deb10u1vulnerable
bullseye, sid8.15.2-22vulnerable
vsftpd (PTS)stretch3.0.3-8vulnerable
bullseye, buster3.0.3-12vulnerable
sid3.0.3-13vulnerable

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
nginxsource(unstable)(unfixed)991328
sendmailsourceexperimental8.16.1-1
sendmailsource(unstable)(unfixed)991331
vsftpdsource(unstable)(unfixed)991329

Notes

[bullseye] - nginx <no-dsa> (Minor issue)
[buster] - nginx <no-dsa> (Minor issue)
[stretch] - nginx <no-dsa> (Minor issue)
[bullseye] - vsftpd <no-dsa> (Minor issue)
[buster] - vsftpd <no-dsa> (Minor issue)
[stretch] - vsftpd <no-dsa> (Minor issue)
[bullseye] - sendmail <no-dsa> (Minor issue)
[buster] - sendmail <no-dsa> (Minor issue)
[stretch] - sendmail <no-dsa> (Minor issue)
https://bugzilla.redhat.com/show_bug.cgi?id=1975623
https://alpaca-attack.com/
Generic TLS protocol issue, some applications have released mitigations:
nginx: http://hg.nginx.org/nginx/rev/ec1071830799
vsftpd: https://security.appspot.com/vsftpd/Changelog.txt (3.0.4)
* Close the control connection after 10 unknown commands pre-login.
* Reject any TLS ALPN advertisement that's not 'ftp'.
* Add ssl_sni_hostname option to require a match on incoming SNI hostname.
sendmail: Fixed in 3.16.1: https://marc.info/?l=sendmail-announce&m=159394546814125&w=2
exim4 has config option: https://lists.exim.org/lurker/message/20210609.200324.f0e073ed.el.html

Search for package or bug name: Reporting problems