Amazon Linux 1 Security Advisory: ALAS-2017-875
Advisory Release Date: 2017-08-30 23:37 Pacific
Advisory Updated Date: 2017-09-14 22:22 Pacific
Information leak when SSSD is used for authentication against remote server:
A flaw was found where authconfig could configure sssd in a way that treats existing and non-existing logins differently, leaking information on existence of a user. An attacker with physical or network access to the machine could enumerate users via a timing attack.(CVE-2017-7488)
Affected Packages:
authconfig
Issue Correction:
Run yum update authconfig to update your system.
i686:
authconfig-6.2.8-30.31.amzn1.i686
authconfig-debuginfo-6.2.8-30.31.amzn1.i686
src:
authconfig-6.2.8-30.31.amzn1.src
x86_64:
authconfig-6.2.8-30.31.amzn1.x86_64
authconfig-debuginfo-6.2.8-30.31.amzn1.x86_64