Fluid Attacks Database

Description

SimpleSAMLphp Incorrect IV generation for encryption The 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).

Mitigation

Update Impact

Minimal update. May introduce new vulnerabilities or breaking changes.

Ecosystem	Component	Affected version	Patched versions
packagist	simplesamlphp/simplesamlphp	>=1.14.0 <1.14.12	1.14.12
debian 12	simplesamlphp	>=0 <1.14.15-1	1.14.15-1
debian 11	simplesamlphp	>=0 <1.14.15-1	1.14.15-1
debian 14	simplesamlphp	=1.10.0-1 \|\| =1.11.0-1 \|\| =1.12.0-1 \|\| =1.12.0~rc1-1 \|\| =1.12.0~rc2-1 \|\| =1.13.0-1 \|\| =1.13.1-1 \|\| =1.13.1-2 \|\| =1.13.2-1 \|\| =1.14.0-1 \|\| =1.14.1-1 \|\| =1.14.10-1 \|\| =1.14.11-1 \|\| =1.14.2-1 \|\| =1.14.2-2 \|\| =1.14.3-1 \|\| =1.14.4-1 \|\| =1.14.5-1 \|\| =1.14.6-1 \|\| =1.14.7-1 \|\| =1.14.8-1 \|\| =1.14.9-1 \|\| =1.6.0-1 \|\| =1.6.1-1 \|\| =1.6.2-1 \|\| =1.6.3-1 \|\| =1.6.3-2 \|\| =1.6.3-3 \|\| =1.7.0-1 \|\| =1.7.0-2 \|\| =1.8.0-1 \|\| =1.8.1-1 \|\| =1.8.2-1 \|\| =1.9.0-1 \|\| =1.9.0~rc1-1 \|\| =1.9.0~rc2-1 \|\| =1.9.1-1 \|\| =1.9.2-1 \|\| >=0 <1.14.15-1	1.14.15-1

Aliases

1. CVE-2017-128712. NVD-2017-128713. OSV-2017-128714. OSV-DEBIAN-2017-128715. GCVE-2017-128716. SECURITY-TRACKER-CVE-2017-12871

References

1. https://github.com/simplesamlphp/simplesamlphp/commit/77df6a932d46daa35e364925eb73a175010dc9042. https://github.com/simplesamlphp/simplesamlphp/commit/ccf75981187aa88f7165abdb1b1965c0934acda03. https://github.com/FriendsOfPHP/security-advisories/blob/master/simplesamlphp/simplesamlphp/CVE-2017-12871.yaml4. https://simplesamlphp.org/security/201703-02

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