DescriptionThe aesEncrypt method in lib/SimpleSAML/Utils/Crypto.php in SimpleSAMLphp 1.14.x through 1.14.11 makes it easier for context-dependent attackers to bypass the encryption protection mechanism by leveraging use of the first 16 bytes of the secret key as the initialization vector (IV).
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
simplesamlphp (PTS)buster1.16.3-1+deb10u2fixed
buster (security)1.16.3-1+deb10u1fixed
sid, trixie, bookworm1.19.7-1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
simplesamlphpsourcewheezy(not affected)
simplesamlphpsourcejessie(not affected)


[stretch] - simplesamlphp <no-dsa> (Minor issue mitigated by HTTPS usage, hard to backport)
[jessie] - simplesamlphp <not-affected> (Vulnerable code not present)
[wheezy] - simplesamlphp <not-affected> (Vulnerable code not present)

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