cbcvebase.
CVE-2017-12868
published 2017-09-01

CVE-2017-12868: 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…

critical9.8CVSS 3.0
AVNACLPRNUINSUCHIHAH
ITW
Exploited in the wild
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

5 ranges
VendorProductVersion rangeFixed in
debiansimplesamlphp< simplesamlphp 1.14.15-1 (bookworm)simplesamlphp 1.14.15-1 (bookworm)
simplesamlphpsimplesamlphp<= 1.14.13
simplesamlphpsimplesamlphp>= 0 < 1.14.15-11.14.15-1
simplesamlphpsimplesamlphp>= 0 < 1.14.15-11.14.15-1
simplesamlphpsimplesamlphp>= 1.14.12 < 1.14.141.14.14

CVSS provenance

nvdv3.09.8CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
osv9.8CRITICAL