CVE-2019-11043
HIGH severity · CVSS 8.7 · Buffer overflow · actively exploited (CISA KEV)
8.7CVSS HIGH ● exploited ⚠ ransomware
🔴 Actively exploited in the wild (CISA Known Exploited Vulnerabilities).
⚠ Known use in ransomware campaigns. Added to KEV 2022-03-25. US federal agencies must patch by 2022-04-15.
Summary
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.
Impact & exploitability
Attack vectorNetwork
Attack complexityHigh
Privileges requiredNone
User interactionNone
Confidentiality impactHigh
Integrity impactHigh
Availability impactNone
Exploit probability (EPSS)94%
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N
Affected products we track (2)
Recommendation
This vulnerability is being actively exploited in the wild — patch affected products urgently. Open any affected product above for its exact safe version.
Additional information
- NVD record
- http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00011.htmlAdvisory
- http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00014.htmlAdvisory
- http://seclists.org/fulldisclosure/2020/Jan/40Advisory
- https://access.redhat.com/errata/RHSA-2019:3286Advisory
- https://access.redhat.com/errata/RHSA-2019:3287Advisory
- https://access.redhat.com/errata/RHSA-2019:3299Advisory
- https://access.redhat.com/errata/RHSA-2019:3300Advisory
- http://packetstormsecurity.com/files/156642/PHP-FPM-7.x-Remote-Code-Execution.htmlAdvisory