CVE-2017-12868 SimpleSAMLphp Session fixation issue and authentication bypass in the authcrypt module
CriticalCVSS 9.8
EPSS 2.1%
PoC
- Published
- Updated
- Exploit status
- Proof-of-concept only
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.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| simplesamlphp/simplesamlphp(Packagist) | >= 1.14.12, < 1.14.14 | 1.14.14 |
| simplesamlphp/simplesamlphp(Packagist) | = v1.14.12 | No fix listed |
| simplesamlphp/simplesamlphp(Packagist) | = v1.14.13 | No fix listed |
| debian/simplesamlphp(Debian:12) | < 1.14.15-1 | 1.14.15-1 |
| debian/simplesamlphp(Debian:14) | < 1.14.15-1 | 1.14.15-1 |
| debian/simplesamlphp(Debian:14) | = 1.10.0-1 | No fix listed |
| debian/simplesamlphp(Debian:14) | = 1.11.0-1 | No fix listed |
| debian/simplesamlphp(Debian:14) | = 1.12.0-1 | No fix listed |
| debian/simplesamlphp(Debian:14) | = 1.12.0~rc1-1 | No fix listed |
| debian/simplesamlphp(Debian:14) | = 1.12.0~rc2-1 | No fix listed |
| debian/simplesamlphp(Debian:14) | = 1.13.0-1 | No fix listed |
| debian/simplesamlphp(Debian:14) | = 1.13.1-1 | No fix listed |
| debian/simplesamlphp(Debian:14) | = 1.13.1-2 | No fix listed |
| debian/simplesamlphp(Debian:14) | = 1.13.2-1 | No fix listed |
| debian/simplesamlphp(Debian:14) | = 1.14.0-1 | No fix listed |
| debian/simplesamlphp(Debian:14) | = 1.14.1-1 | No fix listed |
| debian/simplesamlphp(Debian:14) | = 1.14.10-1 | No fix listed |
| debian/simplesamlphp(Debian:14) | = 1.14.11-1 | No fix listed |
| debian/simplesamlphp(Debian:14) | = 1.14.2-1 | No fix listed |
| debian/simplesamlphp(Debian:14) | = 1.14.2-2 | No fix listed |
| debian/simplesamlphp(Debian:14) | = 1.14.3-1 | No fix listed |
| debian/simplesamlphp(Debian:14) | = 1.14.4-1 | No fix listed |
| debian/simplesamlphp(Debian:14) | = 1.14.5-1 | No fix listed |
| debian/simplesamlphp(Debian:14) | = 1.14.6-1 | No fix listed |
| debian/simplesamlphp(Debian:14) | = 1.14.7-1 | No fix listed |
Show 19 more
| Product | Affected versions | Fixed in |
|---|---|---|
| debian/simplesamlphp(Debian:14) | = 1.14.8-1 | No fix listed |
| debian/simplesamlphp(Debian:14) | = 1.14.9-1 | No fix listed |
| debian/simplesamlphp(Debian:14) | = 1.6.0-1 | No fix listed |
| debian/simplesamlphp(Debian:14) | = 1.6.1-1 | No fix listed |
| debian/simplesamlphp(Debian:14) | = 1.6.2-1 | No fix listed |
| debian/simplesamlphp(Debian:14) | = 1.6.3-1 | No fix listed |
| debian/simplesamlphp(Debian:14) | = 1.6.3-2 | No fix listed |
| debian/simplesamlphp(Debian:14) | = 1.6.3-3 | No fix listed |
| debian/simplesamlphp(Debian:14) | = 1.7.0-1 | No fix listed |
| debian/simplesamlphp(Debian:14) | = 1.7.0-2 | No fix listed |
| debian/simplesamlphp(Debian:14) | = 1.8.0-1 | No fix listed |
| debian/simplesamlphp(Debian:14) | = 1.8.1-1 | No fix listed |
| debian/simplesamlphp(Debian:14) | = 1.8.2-1 | No fix listed |
| debian/simplesamlphp(Debian:14) | = 1.9.0-1 | No fix listed |
| debian/simplesamlphp(Debian:14) | = 1.9.0~rc1-1 | No fix listed |
| debian/simplesamlphp(Debian:14) | = 1.9.0~rc2-1 | No fix listed |
| debian/simplesamlphp(Debian:14) | = 1.9.1-1 | No fix listed |
| debian/simplesamlphp(Debian:14) | = 1.9.2-1 | No fix listed |
| simplesamlphp/simplesamlphp | <= 1.14.13 | No fix listed |
References
- nvd.nist.gov third-party-advisory vendor-advisory
- github.com issue-tracking patch third-party-advisory
- github.com exploit
- github.com product
- [debian-lts-announce] 20171212 [SECURITY] [DLA 1205-1] simplesamlphp security update mailing-list
- [debian-lts-announce] 20180629 [SECURITY] [DLA 1408-1] simplesamlphp security update mailing-list
- simplesamlphp.org patch vendor-advisory
- Debian Security Tracker CVE-2017-12868 vendor-advisory
- github.com