CVE-2017-12871

MEDIUM

Simplesamlphp < 1.14.12 - Weak Encryption

Title source: rule
STIX 2.1

Description

The aesEncrypt method in lib/SimpleSAML/Utils/Crypto.php in SimpleSAMLphp 1.14.x through 1.14.11 makes it easier for context-dependent attackers to bypass the encryption protection mechanism by leveraging use of the first 16 bytes of the secret key as the initialization vector (IV).

References (2)

Core 2
Core References
Issue Tracking, Patch, Third Party Advisory x_refsource_confirm
https://simplesamlphp.org/security/201703-02

Scores

CVSS v3 5.9
EPSS 0.0008
EPSS Percentile 23.5%
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-326
Status published
Products (13)
simplesamlphp/simplesamlphp 1.14.0
simplesamlphp/simplesamlphp 1.14.1
simplesamlphp/simplesamlphp 1.14.2
simplesamlphp/simplesamlphp 1.14.3
simplesamlphp/simplesamlphp 1.14.4
simplesamlphp/simplesamlphp 1.14.5
simplesamlphp/simplesamlphp 1.14.6
simplesamlphp/simplesamlphp 1.14.7
simplesamlphp/simplesamlphp 1.14.8
simplesamlphp/simplesamlphp 1.14.9
... and 3 more
Published Sep 01, 2017
Tracked Since Feb 18, 2026