Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Simplesamlphp | Simplesamlphp | <= 1.14.11 |
| Debian | Debian Linux | 7.0 |
Related Weaknesses (CWE)
References
- https://lists.debian.org/debian-lts-announce/2017/12/msg00007.htmlMailing ListThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/06/msg00017.htmlMailing ListThird Party Advisory
- https://simplesamlphp.org/security/201703-01PatchVendor Advisory
- https://lists.debian.org/debian-lts-announce/2017/12/msg00007.htmlMailing ListThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2018/06/msg00017.htmlMailing ListThird Party Advisory
- https://simplesamlphp.org/security/201703-01PatchVendor Advisory
FAQ
What is CVE-2017-12872?
CVE-2017-12872 is a vulnerability with a CVSS score of 5.9 (MEDIUM). 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 le...
How severe is CVE-2017-12872?
CVE-2017-12872 has been rated MEDIUM with a CVSS base score of 5.9/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2017-12872?
Check the references section above for vendor advisories and patch information. Affected products include: Simplesamlphp Simplesamlphp, Debian Debian Linux.