CVE-2017-12872

MEDIUM

SimpleSAMLphp < 1.14.11 - Timing Side-Channel Attack via Standard Comparison Operator

Title source: llm
STIX 2.1

Description

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.

References (3)

Core 3
Core References
Patch, Vendor Advisory x_refsource_confirm
https://simplesamlphp.org/security/201703-01
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2017/12/msg00007.html
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2018/06/msg00017.html

Scores

CVSS v3 5.9
EPSS 0.0145
EPSS Percentile 70.1%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Details

CWE
CWE-200
Status published
Products (4)
debian/debian_linux 7.0
debian/debian_linux 8.0
simplesamlphp/simplesamlphp < 1.14.11
simplesamlphp/simplesamlphp 0 - 1.15.0-rc1Packagist
Published Sep 01, 2017
Tracked Since Feb 18, 2026