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Debian Security Advisory DSA-3910-1                   security@debian.org
https://www.debian.org/security/                        Yves-Alexis Perez
July 14, 2017                         https://www.debian.org/security/faq
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Package        : knot
CVE ID         : CVE-2017-11104
Debian Bug     : 865678

Clément Berthaux from Synaktiv discovered a signature forgery vulnerability in
knot, an authoritative-only DNS server. This vulnerability allows an attacker
to bypass TSIG authentication by sending crafted DNS packets to a server.

For the oldstable distribution (jessie), this problem has been fixed
in version 1.6.0-1+deb8u1.

For the stable distribution (stretch), this problem has been fixed in
version 2.4.0-3+deb9u1.

For the testing (buster) and unstable (sid), this problem will be fixed
in a later update.

We recommend that you upgrade your knot packages.

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/

Mailing list: debian-security-announce@lists.debian.org

Debian: DSA-3910-1: knot security update

July 14, 2017
Clément Berthaux from Synaktiv discovered a signature forgery vulnerability in knot, an authoritative-only DNS server

Summary

For the oldstable distribution (jessie), this problem has been fixed
in version 1.6.0-1+deb8u1.

For the stable distribution (stretch), this problem has been fixed in
version 2.4.0-3+deb9u1.

For the testing (buster) and unstable (sid), this problem will be fixed
in a later update.

We recommend that you upgrade your knot packages.

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/

Mailing list: debian-security-announce@lists.debian.org

Severity
Clément Berthaux from Synaktiv discovered a signature forgery vulnerability in
knot, an authoritative-only DNS server. This vulnerability allows an attacker
to bypass TSIG authentication by sending crafted DNS packets to a server.

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