Amazon Linux 2 Security Advisory: ALAS-2023-2032
Advisory Release Date: 2023-04-27 18:37 Pacific
Advisory Updated Date: 2023-05-02 19:19 Pacific
Severity:
Medium
Issue Overview:
When ldns version 1.7.1 verifies a zone file, the ldns_rr_new_frm_str_internal function has a heap out of bounds read vulnerability. An attacker can leak information on the heap by constructing a zone file payload. (CVE-2020-19860)
Affected Packages:
ldns
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 ldns to update your system.
New Packages:
aarch64:
ldns-1.6.16-10.amzn2.0.3.aarch64
ldns-devel-1.6.16-10.amzn2.0.3.aarch64
ldns-python-1.6.16-10.amzn2.0.3.aarch64
ldns-debuginfo-1.6.16-10.amzn2.0.3.aarch64
i686:
ldns-1.6.16-10.amzn2.0.3.i686
ldns-devel-1.6.16-10.amzn2.0.3.i686
ldns-python-1.6.16-10.amzn2.0.3.i686
ldns-debuginfo-1.6.16-10.amzn2.0.3.i686
noarch:
ldns-doc-1.6.16-10.amzn2.0.3.noarch
src:
ldns-1.6.16-10.amzn2.0.3.src
x86_64:
ldns-1.6.16-10.amzn2.0.3.x86_64
ldns-devel-1.6.16-10.amzn2.0.3.x86_64
ldns-python-1.6.16-10.amzn2.0.3.x86_64
ldns-debuginfo-1.6.16-10.amzn2.0.3.x86_64