PHP FastCGI Process Manager (FPM) Buffer Overflow Vulnerability. Actively exploited: CISA added this vulnerability to its Known Exploited Vulnerabilities catalog on 25/03/2022. Patch affected systems as an emergency. It is known to be used in ransomware campaigns.
| Package | Affected versions | Patched versions |
|---|---|---|
| php | ≥ 7.1.0, < 7.1.33≥ 7.2.0, < 7.2.24≥ 7.3.0, < 7.3.11 | 7.1.337.2.247.3.11 |
| software collections | = 1.0 | |
| tenable.sc | < 5.19.0 | 5.19.0 |
In PHP versions 7.1.x below 7.1.33, 7.2.x below 7.2.24 and 7.3.x below 7.3.11 in certain configurations of FPM setup it is possible to cause FPM module to write past allocated buffers into the space reserved for FCGI protocol data, thus opening the possibility of remote code execution.
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