Medium severity5.9NVD Advisory· Published Sep 1, 2017· Updated Jun 17, 2026
CVE-2017-12872
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.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
simplesamlphp/simplesamlphpPackagist | < 1.15.0-rc1 | 1.15.0-rc1 |
Affected products
4Patches
Vulnerability mechanics
References
7- simplesamlphp.org/security/201703-01nvdPatchVendor AdvisoryWEB
- github.com/advisories/GHSA-v882-949x-6v28ghsaADVISORY
- lists.debian.org/debian-lts-announce/2017/12/msg00007.htmlnvdMailing ListThird Party AdvisoryWEB
- lists.debian.org/debian-lts-announce/2018/06/msg00017.htmlnvdMailing ListThird Party AdvisoryWEB
- nvd.nist.gov/vuln/detail/CVE-2017-12872ghsaADVISORY
- github.com/FriendsOfPHP/security-advisories/blob/master/simplesamlphp/simplesamlphp/CVE-2017-12872.yamlghsaWEB
- github.com/simplesamlphp/simplesamlphp/commit/b72c79e3070f930d758f5c269333d63ed7509e2eghsaWEB
News mentions
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