Information disclosure in Simplesamlphp
CVE-2017-12872
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.
Vulnerability class: Information Disclosure
EPSS: 0.014 (70.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N.
Affected products
- Simplesamlphp
- Debian Debian_linux — versions 7.0, 8.0
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (x_refsource_CONFIRM, Patch, Vendor Advisory)
- cve@mitre.org (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
- cve@mitre.org (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2017-12872?
- CVE-2017-12872 is a medium-severity vulnerability in Simplesamlphp, classified under Information Disclosure. CVSS score: 5.9/10. Published 2017-09-01.
- How severe is CVE-2017-12872?
- Medium severity. CVSS v3 base score is 5.9 out of 10.