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Debian 8 LTS DLA-1408-1 Critical: Simplesamlphp Timing Attack Advisory

debian lts
Calendar Grey June 29, 2018
Dist Debian Esm H88
Upgrade the authcrypt module in simplesamlphp on Debian 8 to resolve timing attack vulnerabilities. Follow the detailed guide for a successful update
CVE-2017-12872 / CVE-2017-12868 The (1) Htpasswd authentication source in the authcrypt module and (2)
Topics%20covered

Topics Covered

security advisory critical debian security patch timing attack simplesamlphp authcrypt

Summary

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
1.13.1-2+deb8u2.

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



Severity
critical
Lowest
Low
Medium
High
Critical

Package: simplesamlphp
Version: 1.13.1-2+deb8u2
CVE ID: CVE-2017-12868 CVE-2017-12872

Topics%20covered

Topics Covered

security advisory critical debian security patch timing attack simplesamlphp authcrypt

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