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Hash: SHA256

====================================================================                   Red Hat Security Advisory

Synopsis:          Important: unbound security update
Advisory ID:       RHSA-2020:2640-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2020:2640
Issue date:        2020-06-22
CVE Names:         CVE-2020-12662 CVE-2020-12663 
====================================================================
1. Summary:

An update for unbound is now available for Red Hat Enterprise Linux 6.

Red Hat Product Security has rated this update as having a security impact
of Important. A Common Vulnerability Scoring System (CVSS) base score,
which gives a detailed severity rating, is available for each vulnerability
from the CVE link(s) in the References section.

2. Relevant releases/architectures:

Red Hat Enterprise Linux Desktop (v. 6) - i386, x86_64
Red Hat Enterprise Linux Desktop Optional (v. 6) - i386, x86_64
Red Hat Enterprise Linux Server (v. 6) - i386, ppc64, s390x, x86_64
Red Hat Enterprise Linux Server Optional (v. 6) - i386, ppc64, s390x, x86_64
Red Hat Enterprise Linux Workstation (v. 6) - i386, x86_64
Red Hat Enterprise Linux Workstation Optional (v. 6) - i386, x86_64

3. Description:

The unbound packages provide a validating, recursive, and caching DNS or
DNSSEC resolver. 

Security Fix(es):

* unbound: amplification of an incoming query into a large number of
queries directed to a target (CVE-2020-12662)

* unbound: infinite loop via malformed DNS answers received from upstream
servers (CVE-2020-12663)

For more details about the security issue(s), including the impact, a CVSS
score, acknowledgments, and other related information, refer to the CVE
page(s) listed in the References section.

4. Solution:

For details on how to apply this update, which includes the changes
described in this advisory, refer to:

https://access.redhat.com/articles/11258

5. Bugs fixed (https://bugzilla.redhat.com/):

1837597 - CVE-2020-12662 unbound: amplification of an incoming query into a large number of queries directed to a target
1837604 - CVE-2020-12663 unbound: infinite loop via malformed DNS answers received from upstream servers
6. Package List:

Red Hat Enterprise Linux Desktop (v. 6):

Source:
unbound-1.4.20-29.el6_10.1.src.rpm

i386:
unbound-debuginfo-1.4.20-29.el6_10.1.i686.rpm
unbound-libs-1.4.20-29.el6_10.1.i686.rpm

x86_64:
unbound-debuginfo-1.4.20-29.el6_10.1.i686.rpm
unbound-debuginfo-1.4.20-29.el6_10.1.x86_64.rpm
unbound-libs-1.4.20-29.el6_10.1.i686.rpm
unbound-libs-1.4.20-29.el6_10.1.x86_64.rpm

Red Hat Enterprise Linux Desktop Optional (v. 6):

i386:
unbound-1.4.20-29.el6_10.1.i686.rpm
unbound-debuginfo-1.4.20-29.el6_10.1.i686.rpm
unbound-devel-1.4.20-29.el6_10.1.i686.rpm
unbound-python-1.4.20-29.el6_10.1.i686.rpm

x86_64:
unbound-1.4.20-29.el6_10.1.x86_64.rpm
unbound-debuginfo-1.4.20-29.el6_10.1.i686.rpm
unbound-debuginfo-1.4.20-29.el6_10.1.x86_64.rpm
unbound-devel-1.4.20-29.el6_10.1.i686.rpm
unbound-devel-1.4.20-29.el6_10.1.x86_64.rpm
unbound-python-1.4.20-29.el6_10.1.i686.rpm
unbound-python-1.4.20-29.el6_10.1.x86_64.rpm

Red Hat Enterprise Linux Server (v. 6):

Source:
unbound-1.4.20-29.el6_10.1.src.rpm

i386:
unbound-1.4.20-29.el6_10.1.i686.rpm
unbound-debuginfo-1.4.20-29.el6_10.1.i686.rpm
unbound-libs-1.4.20-29.el6_10.1.i686.rpm

ppc64:
unbound-1.4.20-29.el6_10.1.ppc64.rpm
unbound-debuginfo-1.4.20-29.el6_10.1.ppc.rpm
unbound-debuginfo-1.4.20-29.el6_10.1.ppc64.rpm
unbound-libs-1.4.20-29.el6_10.1.ppc.rpm
unbound-libs-1.4.20-29.el6_10.1.ppc64.rpm

s390x:
unbound-1.4.20-29.el6_10.1.s390x.rpm
unbound-debuginfo-1.4.20-29.el6_10.1.s390.rpm
unbound-debuginfo-1.4.20-29.el6_10.1.s390x.rpm
unbound-libs-1.4.20-29.el6_10.1.s390.rpm
unbound-libs-1.4.20-29.el6_10.1.s390x.rpm

x86_64:
unbound-1.4.20-29.el6_10.1.x86_64.rpm
unbound-debuginfo-1.4.20-29.el6_10.1.i686.rpm
unbound-debuginfo-1.4.20-29.el6_10.1.x86_64.rpm
unbound-libs-1.4.20-29.el6_10.1.i686.rpm
unbound-libs-1.4.20-29.el6_10.1.x86_64.rpm

Red Hat Enterprise Linux Server Optional (v. 6):

i386:
unbound-debuginfo-1.4.20-29.el6_10.1.i686.rpm
unbound-devel-1.4.20-29.el6_10.1.i686.rpm
unbound-python-1.4.20-29.el6_10.1.i686.rpm

ppc64:
unbound-debuginfo-1.4.20-29.el6_10.1.ppc.rpm
unbound-debuginfo-1.4.20-29.el6_10.1.ppc64.rpm
unbound-devel-1.4.20-29.el6_10.1.ppc.rpm
unbound-devel-1.4.20-29.el6_10.1.ppc64.rpm
unbound-python-1.4.20-29.el6_10.1.ppc.rpm
unbound-python-1.4.20-29.el6_10.1.ppc64.rpm

s390x:
unbound-debuginfo-1.4.20-29.el6_10.1.s390.rpm
unbound-debuginfo-1.4.20-29.el6_10.1.s390x.rpm
unbound-devel-1.4.20-29.el6_10.1.s390.rpm
unbound-devel-1.4.20-29.el6_10.1.s390x.rpm
unbound-python-1.4.20-29.el6_10.1.s390.rpm
unbound-python-1.4.20-29.el6_10.1.s390x.rpm

x86_64:
unbound-debuginfo-1.4.20-29.el6_10.1.i686.rpm
unbound-debuginfo-1.4.20-29.el6_10.1.x86_64.rpm
unbound-devel-1.4.20-29.el6_10.1.i686.rpm
unbound-devel-1.4.20-29.el6_10.1.x86_64.rpm
unbound-python-1.4.20-29.el6_10.1.i686.rpm
unbound-python-1.4.20-29.el6_10.1.x86_64.rpm

Red Hat Enterprise Linux Workstation (v. 6):

Source:
unbound-1.4.20-29.el6_10.1.src.rpm

i386:
unbound-1.4.20-29.el6_10.1.i686.rpm
unbound-debuginfo-1.4.20-29.el6_10.1.i686.rpm
unbound-libs-1.4.20-29.el6_10.1.i686.rpm

x86_64:
unbound-1.4.20-29.el6_10.1.x86_64.rpm
unbound-debuginfo-1.4.20-29.el6_10.1.i686.rpm
unbound-debuginfo-1.4.20-29.el6_10.1.x86_64.rpm
unbound-libs-1.4.20-29.el6_10.1.i686.rpm
unbound-libs-1.4.20-29.el6_10.1.x86_64.rpm

Red Hat Enterprise Linux Workstation Optional (v. 6):

i386:
unbound-debuginfo-1.4.20-29.el6_10.1.i686.rpm
unbound-devel-1.4.20-29.el6_10.1.i686.rpm
unbound-python-1.4.20-29.el6_10.1.i686.rpm

x86_64:
unbound-debuginfo-1.4.20-29.el6_10.1.i686.rpm
unbound-debuginfo-1.4.20-29.el6_10.1.x86_64.rpm
unbound-devel-1.4.20-29.el6_10.1.i686.rpm
unbound-devel-1.4.20-29.el6_10.1.x86_64.rpm
unbound-python-1.4.20-29.el6_10.1.i686.rpm
unbound-python-1.4.20-29.el6_10.1.x86_64.rpm

These packages are GPG signed by Red Hat for security.  Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/

7. References:

https://access.redhat.com/security/cve/CVE-2020-12662
https://access.redhat.com/security/cve/CVE-2020-12663
https://access.redhat.com/security/updates/classification/#important

8. Contact:

The Red Hat security contact is . More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2020 Red Hat, Inc.
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RedHat: RHSA-2020-2640:01 Important: unbound security update

An update for unbound is now available for Red Hat Enterprise Linux 6

Summary

The unbound packages provide a validating, recursive, and caching DNS or DNSSEC resolver.
Security Fix(es):
* unbound: amplification of an incoming query into a large number of queries directed to a target (CVE-2020-12662)
* unbound: infinite loop via malformed DNS answers received from upstream servers (CVE-2020-12663)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.



Summary


Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:
https://access.redhat.com/articles/11258

References

https://access.redhat.com/security/cve/CVE-2020-12662 https://access.redhat.com/security/cve/CVE-2020-12663 https://access.redhat.com/security/updates/classification/#important

Package List

Red Hat Enterprise Linux Desktop (v. 6):
Source: unbound-1.4.20-29.el6_10.1.src.rpm
i386: unbound-debuginfo-1.4.20-29.el6_10.1.i686.rpm unbound-libs-1.4.20-29.el6_10.1.i686.rpm
x86_64: unbound-debuginfo-1.4.20-29.el6_10.1.i686.rpm unbound-debuginfo-1.4.20-29.el6_10.1.x86_64.rpm unbound-libs-1.4.20-29.el6_10.1.i686.rpm unbound-libs-1.4.20-29.el6_10.1.x86_64.rpm
Red Hat Enterprise Linux Desktop Optional (v. 6):
i386: unbound-1.4.20-29.el6_10.1.i686.rpm unbound-debuginfo-1.4.20-29.el6_10.1.i686.rpm unbound-devel-1.4.20-29.el6_10.1.i686.rpm unbound-python-1.4.20-29.el6_10.1.i686.rpm
x86_64: unbound-1.4.20-29.el6_10.1.x86_64.rpm unbound-debuginfo-1.4.20-29.el6_10.1.i686.rpm unbound-debuginfo-1.4.20-29.el6_10.1.x86_64.rpm unbound-devel-1.4.20-29.el6_10.1.i686.rpm unbound-devel-1.4.20-29.el6_10.1.x86_64.rpm unbound-python-1.4.20-29.el6_10.1.i686.rpm unbound-python-1.4.20-29.el6_10.1.x86_64.rpm
Red Hat Enterprise Linux Server (v. 6):
Source: unbound-1.4.20-29.el6_10.1.src.rpm
i386: unbound-1.4.20-29.el6_10.1.i686.rpm unbound-debuginfo-1.4.20-29.el6_10.1.i686.rpm unbound-libs-1.4.20-29.el6_10.1.i686.rpm
ppc64: unbound-1.4.20-29.el6_10.1.ppc64.rpm unbound-debuginfo-1.4.20-29.el6_10.1.ppc.rpm unbound-debuginfo-1.4.20-29.el6_10.1.ppc64.rpm unbound-libs-1.4.20-29.el6_10.1.ppc.rpm unbound-libs-1.4.20-29.el6_10.1.ppc64.rpm
s390x: unbound-1.4.20-29.el6_10.1.s390x.rpm unbound-debuginfo-1.4.20-29.el6_10.1.s390.rpm unbound-debuginfo-1.4.20-29.el6_10.1.s390x.rpm unbound-libs-1.4.20-29.el6_10.1.s390.rpm unbound-libs-1.4.20-29.el6_10.1.s390x.rpm
x86_64: unbound-1.4.20-29.el6_10.1.x86_64.rpm unbound-debuginfo-1.4.20-29.el6_10.1.i686.rpm unbound-debuginfo-1.4.20-29.el6_10.1.x86_64.rpm unbound-libs-1.4.20-29.el6_10.1.i686.rpm unbound-libs-1.4.20-29.el6_10.1.x86_64.rpm
Red Hat Enterprise Linux Server Optional (v. 6):
i386: unbound-debuginfo-1.4.20-29.el6_10.1.i686.rpm unbound-devel-1.4.20-29.el6_10.1.i686.rpm unbound-python-1.4.20-29.el6_10.1.i686.rpm
ppc64: unbound-debuginfo-1.4.20-29.el6_10.1.ppc.rpm unbound-debuginfo-1.4.20-29.el6_10.1.ppc64.rpm unbound-devel-1.4.20-29.el6_10.1.ppc.rpm unbound-devel-1.4.20-29.el6_10.1.ppc64.rpm unbound-python-1.4.20-29.el6_10.1.ppc.rpm unbound-python-1.4.20-29.el6_10.1.ppc64.rpm
s390x: unbound-debuginfo-1.4.20-29.el6_10.1.s390.rpm unbound-debuginfo-1.4.20-29.el6_10.1.s390x.rpm unbound-devel-1.4.20-29.el6_10.1.s390.rpm unbound-devel-1.4.20-29.el6_10.1.s390x.rpm unbound-python-1.4.20-29.el6_10.1.s390.rpm unbound-python-1.4.20-29.el6_10.1.s390x.rpm
x86_64: unbound-debuginfo-1.4.20-29.el6_10.1.i686.rpm unbound-debuginfo-1.4.20-29.el6_10.1.x86_64.rpm unbound-devel-1.4.20-29.el6_10.1.i686.rpm unbound-devel-1.4.20-29.el6_10.1.x86_64.rpm unbound-python-1.4.20-29.el6_10.1.i686.rpm unbound-python-1.4.20-29.el6_10.1.x86_64.rpm
Red Hat Enterprise Linux Workstation (v. 6):
Source: unbound-1.4.20-29.el6_10.1.src.rpm
i386: unbound-1.4.20-29.el6_10.1.i686.rpm unbound-debuginfo-1.4.20-29.el6_10.1.i686.rpm unbound-libs-1.4.20-29.el6_10.1.i686.rpm
x86_64: unbound-1.4.20-29.el6_10.1.x86_64.rpm unbound-debuginfo-1.4.20-29.el6_10.1.i686.rpm unbound-debuginfo-1.4.20-29.el6_10.1.x86_64.rpm unbound-libs-1.4.20-29.el6_10.1.i686.rpm unbound-libs-1.4.20-29.el6_10.1.x86_64.rpm
Red Hat Enterprise Linux Workstation Optional (v. 6):
i386: unbound-debuginfo-1.4.20-29.el6_10.1.i686.rpm unbound-devel-1.4.20-29.el6_10.1.i686.rpm unbound-python-1.4.20-29.el6_10.1.i686.rpm
x86_64: unbound-debuginfo-1.4.20-29.el6_10.1.i686.rpm unbound-debuginfo-1.4.20-29.el6_10.1.x86_64.rpm unbound-devel-1.4.20-29.el6_10.1.i686.rpm unbound-devel-1.4.20-29.el6_10.1.x86_64.rpm unbound-python-1.4.20-29.el6_10.1.i686.rpm unbound-python-1.4.20-29.el6_10.1.x86_64.rpm
These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from https://access.redhat.com/security/team/key/


Severity
Advisory ID: RHSA-2020:2640-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2020:2640
Issued Date: : 2020-06-22
CVE Names: CVE-2020-12662 CVE-2020-12663

Topic

An update for unbound is now available for Red Hat Enterprise Linux 6.Red Hat Product Security has rated this update as having a security impactof Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the CVE link(s) in the References section.


Topic


 

Relevant Releases Architectures

Red Hat Enterprise Linux Desktop (v. 6) - i386, x86_64

Red Hat Enterprise Linux Desktop Optional (v. 6) - i386, x86_64

Red Hat Enterprise Linux Server (v. 6) - i386, ppc64, s390x, x86_64

Red Hat Enterprise Linux Server Optional (v. 6) - i386, ppc64, s390x, x86_64

Red Hat Enterprise Linux Workstation (v. 6) - i386, x86_64

Red Hat Enterprise Linux Workstation Optional (v. 6) - i386, x86_64


Bugs Fixed

1837597 - CVE-2020-12662 unbound: amplification of an incoming query into a large number of queries directed to a target

1837604 - CVE-2020-12663 unbound: infinite loop via malformed DNS answers received from upstream servers


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