Amazon Linux 2 Security Advisory: ALAS-2020-1463
Advisory Release Date: 2020-07-14 02:51 Pacific
Advisory Updated Date: 2020-07-17 00:09 Pacific
An incomplete fix for CVE-2020-12662 was shipped for Unbound in Red Hat Enterprise Linux 7, as part of erratum RHSA-2020:2414. Vulnerable versions of Unbound could still amplify an incoming query into a large number of queries directed to a target, even with a lower amplification ratio compared to versions of Unbound that shipped before the mentioned erratum. This issue is about the incomplete fix for CVE-2020-12662, and it does not affect upstream versions of Unbound. (CVE-2020-10772)
Affected Packages:
unbound
Note:
This advisory is applicable to Amazon Linux 2 (AL2) Core repository. Visit this FAQ section for the difference between AL2 Core and AL2 Extras advisories.
Issue Correction:
Run yum update unbound to update your system.
aarch64:
unbound-1.6.6-5.amzn2.aarch64
unbound-devel-1.6.6-5.amzn2.aarch64
unbound-libs-1.6.6-5.amzn2.aarch64
unbound-python-1.6.6-5.amzn2.aarch64
unbound-debuginfo-1.6.6-5.amzn2.aarch64
i686:
unbound-1.6.6-5.amzn2.i686
unbound-devel-1.6.6-5.amzn2.i686
unbound-libs-1.6.6-5.amzn2.i686
unbound-python-1.6.6-5.amzn2.i686
unbound-debuginfo-1.6.6-5.amzn2.i686
src:
unbound-1.6.6-5.amzn2.src
x86_64:
unbound-1.6.6-5.amzn2.x86_64
unbound-devel-1.6.6-5.amzn2.x86_64
unbound-libs-1.6.6-5.amzn2.x86_64
unbound-python-1.6.6-5.amzn2.x86_64
unbound-debuginfo-1.6.6-5.amzn2.x86_64