FortiPAM vulnerability

What happened

An Improper Neutralization of CRLF Sequences in HTTP Headers ('HTTP Response Splitting') vulnerability [CWE-113] vulnerability in Fortinet FortiOS 7.6.0 through 7.6.4, FortiOS 7.4 all versions, FortiOS 7.2 all versions, FortiProxy 7.6.0 through 7.6.4, FortiProxy 7.4 all versions, FortiProxy 7.2 all versions may allow an attacker able to intercept and modify a user's captive portal authentication request to inject arbitrary headers via crafted HTTP requests.

Affected versions

FortiPAM: 1.7.0; 1.6.0 through 1.6.2 (semver); 1.5.0 through 1.5.1 (semver); 1.4.0 through 1.4.3 (semver); 1.3.0 through 1.3.1 (semver); 1.2.0; 1.1.0 through 1.1.2 (semver); 1.0.0 through 1.0.3 (semver); 7.6.0 through 7.6.4 (semver); 7.4.0 through 7.4.14 (semver); 7.2.0 through 7.2.16 (semver); 7.0.0 through 7.0.23 (semver); 7.6.0 through 7.6.2 (semver); 7.4.0 through 7.4.8 (semver); 7.2.0 through 7.2.13 (semver); 7.0.0 through 7.0.19 (semver); 6.4.0 through 6.4.16 (semver); before * (custom) Fixed: See vendor advisory.

Why it matters

Review the vendor advisory and exposure of the affected product to determine operational impact.

Detection & mitigation

• Apply vendor-provided updates or mitigations.
• Review affected product exposure and access logs.