Overview
- Description
- The secureCompare method in lib/SimpleSAML/Utils/Crypto.php in SimpleSAMLphp 1.14.13 and earlier, when used with PHP before 5.6, allows attackers to conduct session fixation attacks or possibly bypass authentication by leveraging missing character conversions before an XOR operation.
- Source
- cve@mitre.org
- NVD status
- Modified
Risk scores
CVSS 3.0
- Type
- Primary
- Base score
- 9.8
- Impact score
- 5.9
- Exploitability score
- 3.9
- Vector string
- CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Severity
- CRITICAL
CVSS 2.0
- Type
- Primary
- Base score
- 7.5
- Impact score
- 6.4
- Exploitability score
- 10
- Vector string
- AV:N/AC:L/Au:N/C:P/I:P/A:P
Weaknesses
- nvd@nist.gov
- CWE-384
Social media
- Hype score
- Not currently trending
Configurations
[ { "nodes": [ { "negate": false, "cpeMatch": [ { "criteria": "cpe:2.3:a:simplesamlphp:simplesamlphp:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "AA1268D7-6B0D-4BE5-9916-BE2860E66710", "versionEndIncluding": "1.14.13" } ], "operator": "OR" }, { "negate": false, "cpeMatch": [ { "criteria": "cpe:2.3:a:php:php:*:*:*:*:*:*:*:*", "vulnerable": false, "matchCriteriaId": "44B09073-783B-4ADE-A5B8-DA6F93DBA46F", "versionEndIncluding": "5.5.38" } ], "operator": "OR" } ], "operator": "AND" } ]