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debianDebianDEBIAN:DSA-3910-1:9B42F
HistoryJul 14, 2017 - 7:34 p.m.

[SECURITY] [DSA 3910-1] knot security update

2017-07-1419:34:51
lists.debian.org
8

4.3 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:M/Au:N/C:N/I:P/A:N

5.9 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

5.6 Medium

AI Score

Confidence

High

0.003 Low

EPSS

Percentile

67.9%


Debian Security Advisory DSA-3910-1 [email protected]
https://www.debian.org/security/ Yves-Alexis Perez
July 14, 2017 https://www.debian.org/security/faq


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: [email protected]

4.3 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:M/Au:N/C:N/I:P/A:N

5.9 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

5.6 Medium

AI Score

Confidence

High

0.003 Low

EPSS

Percentile

67.9%