CVE-2017-12872

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.

Category

5.9
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.54%
Vendor Advisory simplesamlphp.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://simplesamlphp.org/security/201703-01 patch vendor advisory
https://lists.debian.org/debian-lts-announce/2017/12/msg00007.html third party advisory mailing list
https://lists.debian.org/debian-lts-announce/2018/06/msg00017.html third party advisory mailing list

Frequently Asked Questions

What is the severity of CVE-2017-12872?
CVE-2017-12872 has been scored as a medium severity vulnerability.
How to fix CVE-2017-12872?
To fix CVE-2017-12872, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2017-12872 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2017-12872 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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