CVE-2017-12872

medium

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

https://simplesamlphp.org/security/201703-01

https://lists.debian.org/debian-lts-announce/2018/06/msg00017.html

https://lists.debian.org/debian-lts-announce/2017/12/msg00007.html

Details

Source: Mitre, NVD

Published: 2017-09-01

Updated: 2019-05-13

Risk Information

CVSS v2

Base Score: 4.3

Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:N/A:N

Severity: Medium

CVSS v3

Base Score: 5.9

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

Severity: Medium