Red Hat Security Advisory

RHSA-2020:2344

bind security update

Released 2020-06-01 · Red Hat rating Important · View on Red Hat →

Fixed in

Red Hat Enterprise Linux Client (v. 7) bind-32:9.11.4-16.P2.el7_8.6, bind-export-libs-32:9.11.4-16.P2.el7_8.6, bind-libs-32:9.11.4-16.P2.el7_8.6 +3
Red Hat Enterprise Linux Client Optional (v. 7) bind-32:9.11.4-16.P2.el7_8.6, bind-chroot-32:9.11.4-16.P2.el7_8.6, bind-devel-32:9.11.4-16.P2.el7_8.6 +8
Red Hat Enterprise Linux ComputeNode (v. 7) bind-32:9.11.4-16.P2.el7_8.6, bind-export-libs-32:9.11.4-16.P2.el7_8.6, bind-libs-32:9.11.4-16.P2.el7_8.6 +3
Red Hat Enterprise Linux ComputeNode Optional (v. 7) bind-32:9.11.4-16.P2.el7_8.6, bind-chroot-32:9.11.4-16.P2.el7_8.6, bind-devel-32:9.11.4-16.P2.el7_8.6 +8
Red Hat Enterprise Linux Server (v. 7) bind-32:9.11.4-16.P2.el7_8.6, bind-chroot-32:9.11.4-16.P2.el7_8.6, bind-export-libs-32:9.11.4-16.P2.el7_8.6 +11
Red Hat Enterprise Linux Server Optional (v. 7) bind-devel-32:9.11.4-16.P2.el7_8.6, bind-devel-32:9.11.4-16.P2.el7_8.6.ppc, bind-export-devel-32:9.11.4-16.P2.el7_8.6 +7
Red Hat Enterprise Linux Workstation (v. 7) bind-32:9.11.4-16.P2.el7_8.6, bind-chroot-32:9.11.4-16.P2.el7_8.6, bind-export-libs-32:9.11.4-16.P2.el7_8.6 +7
Red Hat Enterprise Linux Workstation Optional (v. 7) bind-devel-32:9.11.4-16.P2.el7_8.6, bind-export-devel-32:9.11.4-16.P2.el7_8.6, bind-lite-devel-32:9.11.4-16.P2.el7_8.6 +3

Fixes 2 records

TI-2020-06910 CVE-2020-8617 · GHSA-q6g5-8p95-hqh7

A logic error in code which checks TSIG validity can be used to trigger an assertion failure in tsig.c

HIGH 76

Using a specially-crafted message, an attacker may potentially cause a BIND server to reach an inconsistent state if the attacker knows (or successfully guesses) the name of a TSIG key used by the server.

CVSS 3.1HIGH 7.5 Network No auth No interaction EPSS 0.93332 Published 2020-05-19 Partial fix CWE-617

TI-2020-06909 CVE-2020-8616 · GHSA-rc96-hg8v-6p4g

BIND does not sufficiently limit the number of fetches performed when processing referrals

MEDIUM 50

A malicious actor who intentionally exploits this lack of effective limitation on the number of fetches performed when processing referrals can, through the use of specially crafted referrals, cause a recursing server to…

CVSS 3.1HIGH 8.6 Network No auth No interaction EPSS 0.1088 Published 2020-05-19 Partial fix CWE-400