Amazon Linux 1 Security Advisory: ALAS-2021-1494
Advisory Release Date: 2021-04-19 17:26 Pacific
Advisory Updated Date: 2021-04-21 17:50 Pacific
A flaw was found in Samba's libldb. Multiple, consecutive leading spaces in an LDAP attribute can lead to an out-of-bounds memory write, leading to a crash of the LDAP server process handling the request. The highest threat from this vulnerability is to system availability. (CVE-2021-20277)
Affected Packages:
libldb
Issue Correction:
Run yum update libldb to update your system.
i686:
libldb-1.5.4-2.17.amzn1.i686
libldb-devel-1.5.4-2.17.amzn1.i686
pyldb-1.5.4-2.17.amzn1.i686
libldb-debuginfo-1.5.4-2.17.amzn1.i686
pyldb-devel-1.5.4-2.17.amzn1.i686
ldb-tools-1.5.4-2.17.amzn1.i686
src:
libldb-1.5.4-2.17.amzn1.src
x86_64:
libldb-1.5.4-2.17.amzn1.x86_64
pyldb-devel-1.5.4-2.17.amzn1.x86_64
pyldb-1.5.4-2.17.amzn1.x86_64
libldb-debuginfo-1.5.4-2.17.amzn1.x86_64
libldb-devel-1.5.4-2.17.amzn1.x86_64
ldb-tools-1.5.4-2.17.amzn1.x86_64