RedHat: RHSA-2020-2418:01 Important: unbound security update
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 AppStream E4S (v. 8.0):
Source:
unbound-1.7.3-9.el8_0.src.rpm
aarch64:
python3-unbound-1.7.3-9.el8_0.aarch64.rpm
python3-unbound-debuginfo-1.7.3-9.el8_0.aarch64.rpm
unbound-1.7.3-9.el8_0.aarch64.rpm
unbound-debuginfo-1.7.3-9.el8_0.aarch64.rpm
unbound-debugsource-1.7.3-9.el8_0.aarch64.rpm
unbound-devel-1.7.3-9.el8_0.aarch64.rpm
unbound-libs-1.7.3-9.el8_0.aarch64.rpm
unbound-libs-debuginfo-1.7.3-9.el8_0.aarch64.rpm
ppc64le:
python3-unbound-1.7.3-9.el8_0.ppc64le.rpm
python3-unbound-debuginfo-1.7.3-9.el8_0.ppc64le.rpm
unbound-1.7.3-9.el8_0.ppc64le.rpm
unbound-debuginfo-1.7.3-9.el8_0.ppc64le.rpm
unbound-debugsource-1.7.3-9.el8_0.ppc64le.rpm
unbound-devel-1.7.3-9.el8_0.ppc64le.rpm
unbound-libs-1.7.3-9.el8_0.ppc64le.rpm
unbound-libs-debuginfo-1.7.3-9.el8_0.ppc64le.rpm
s390x:
python3-unbound-1.7.3-9.el8_0.s390x.rpm
python3-unbound-debuginfo-1.7.3-9.el8_0.s390x.rpm
unbound-1.7.3-9.el8_0.s390x.rpm
unbound-debuginfo-1.7.3-9.el8_0.s390x.rpm
unbound-debugsource-1.7.3-9.el8_0.s390x.rpm
unbound-devel-1.7.3-9.el8_0.s390x.rpm
unbound-libs-1.7.3-9.el8_0.s390x.rpm
unbound-libs-debuginfo-1.7.3-9.el8_0.s390x.rpm
x86_64:
python3-unbound-1.7.3-9.el8_0.x86_64.rpm
python3-unbound-debuginfo-1.7.3-9.el8_0.i686.rpm
python3-unbound-debuginfo-1.7.3-9.el8_0.x86_64.rpm
unbound-1.7.3-9.el8_0.x86_64.rpm
unbound-debuginfo-1.7.3-9.el8_0.i686.rpm
unbound-debuginfo-1.7.3-9.el8_0.x86_64.rpm
unbound-debugsource-1.7.3-9.el8_0.i686.rpm
unbound-debugsource-1.7.3-9.el8_0.x86_64.rpm
unbound-devel-1.7.3-9.el8_0.i686.rpm
unbound-devel-1.7.3-9.el8_0.x86_64.rpm
unbound-libs-1.7.3-9.el8_0.i686.rpm
unbound-libs-1.7.3-9.el8_0.x86_64.rpm
unbound-libs-debuginfo-1.7.3-9.el8_0.i686.rpm
unbound-libs-debuginfo-1.7.3-9.el8_0.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/
Topic
An update for unbound is now available for Red Hat Enterprise Linux 8.0Update Services for SAP Solutions.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 AppStream E4S (v. 8.0) - aarch64, ppc64le, s390x, 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