Amazon Linux 2 Security Advisory: ALAS-2024-2406
Advisory Release Date: 2024-01-03 21:04 Pacific
Advisory Updated Date: 2024-01-09 17:51 Pacific
Severity:
Medium
Issue Overview:
python-ldap before 3.4.0 is vulnerable to a denial of service when ldap.schema is used for untrusted schema definitions, because of a regular expression denial of service (ReDoS) flaw in the LDAP schema parser. By sending crafted regex input, a remote authenticated attacker could exploit this vulnerability to cause a denial of service condition. (CVE-2021-46823)
Affected Packages:
python-ldap
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 python-ldap to update your system.
New Packages:
aarch64:
python-ldap-2.4.15-2.amzn2.0.3.aarch64
python-ldap-debuginfo-2.4.15-2.amzn2.0.3.aarch64
i686:
python-ldap-2.4.15-2.amzn2.0.3.i686
python-ldap-debuginfo-2.4.15-2.amzn2.0.3.i686
src:
python-ldap-2.4.15-2.amzn2.0.3.src
x86_64:
python-ldap-2.4.15-2.amzn2.0.3.x86_64
python-ldap-debuginfo-2.4.15-2.amzn2.0.3.x86_64