The (1) Htpasswd authentication source in the authcrypt module and (2)
SimpleSAML_Session class in SimpleSAMLphp 1.14.11 and earlier allow
remote attackers to conduct timing side-channel attacks by leveraging
use of the standard comparison operator to compare secret material
against user input.
CVE-2017-12868 was a about an improper fix of CVE-2017-12872 in the
initial patch released by upstream. We have used the correct patch.
For Debian 8 "Jessie", these problems have been fixed in version
We recommend that you upgrade your simplesamlphp packages.
Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS