GHSA-44pr-mgcp-v36r

SimpleSAMLphp Unauthenticated encryption in CBC mode

Source: GitHub Advisory Database (reviewed) Moderate CVE-2017-12870

Packages

Ecosystem	Package	Affected	Fixed in
Packagist	simplesamlphp/simplesamlphp	< 1.14.13	1.14.13

Details

As written in the advisory (Markdown source, shown as plain text).

SimpleSAMLphp 1.14.12 and earlier make it easier for man-in-the-middle attackers to obtain sensitive information by leveraging use of the aesEncrypt and aesDecrypt methods in the SimpleSAML/Utils/Crypto class to protect session identifiers in replies to non-HTTPS service providers.

References

External links from the advisory. They lead to third-party sites.

https://nvd.nist.gov/vuln/detail/CVE-2017-12870 advisory
https://github.com/simplesamlphp/simplesamlphp/commit/4c939be1696bacb2b95ee11d4ebc5814a08b04c5 web
https://github.com/FriendsOfPHP/security-advisories/blob/master/simplesamlphp/simplesamlphp/CVE-2017-12870.yaml web
https://github.com/simplesamlphp/simplesamlphp package
https://simplesamlphp.org/security/201704-01 web