CVE-2020-8618

NameCVE-2020-8618
DescriptionAn attacker who is permitted to send zone data to a server via zone transfer can exploit this to intentionally trigger the assertion failure with a specially constructed zone, denying service to clients.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
bind9 (PTS)bullseye1:9.16.50-1~deb11u2fixed
bullseye (security)1:9.16.50-1~deb11u1fixed
bookworm, bookworm (security)1:9.18.28-1~deb12u2fixed
sid, trixie1:9.20.2-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
bind9sourcejessie(not affected)
bind9sourcestretch(not affected)
bind9sourcebuster(not affected)
bind9source(unstable)1:9.16.4-1

Notes

[buster] - bind9 <not-affected> (Vulnerable code introduced later)
[stretch] - bind9 <not-affected> (Vulnerable code introduced later)
[jessie] - bind9 <not-affected> (Vulnerable code introduced later)
https://kb.isc.org/docs/cve-2020-8618
https://gitlab.isc.org/isc-projects/bind9/-/issues/1850

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