CVE-2019-11043
What it is
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.
At a glance
- Exploitability
- Can be exploited over the network without logging in. High risk of data exposure, data tampering.
- In the wild
- CISA lists this as exploited in real attacks. Treat as urgent.
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- ReservedThe CVE id was reserved by its CNA
- PublishedDisclosed publicly on CVE.org and NVD
- 2022-03-25 Exploited in the wildAdded to CISA's Known Exploited Vulnerabilities list
- 2022-04-15 Remediation deadlineCISA's due date for federal agencies to fix it
- Last updatedMost recent change to the record
Why it ranks here
- Exploited in the wild: yes, CISA lists it. This puts it above everything that is not.
- Exploit odds: 99.8% in the next 30 days (EPSS).
- Severity: 8.7 HIGH (CVSS).
- Fix: a patch or advisory is linked.
Details
- Published
- Last modified
- Added to CISA KEV
- 2022-03-25
- Exploit probability
- 99.8% · EPSS, next 30 days
- Weakness
- CWE-120 · Classic buffer overflow
- Record status
- Analyzed
Affected
- PHP < 7.1.33
- PHP < 7.2.24
- PHP < 7.3.11
- Canonical Ubuntu Linux 12.04
- Canonical Ubuntu Linux 14.04
- Canonical Ubuntu Linux 16.04
- Canonical Ubuntu Linux 18.04
- Canonical Ubuntu Linux 19.04
Attack profile CVSS 3.1 · 8.7
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- None
- User interaction
- None
- Scope
- Changed
- Confidentiality
- High
- Integrity
- High
- Availability
- None
Raw vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N
Is it in your code?
Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.
Read https://cve-list.com/agent/cve/CVE-2019-11043.md and follow it. Check whether this project is affected by CVE-2019-11043. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.
Fix and advisories
References
- http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00011.html
- http://lists.opensuse.org/opensuse-security-announce/2019-11/msg00014.html
- http://packetstormsecurity.com/files/156642/PHP-FPM-7.x-Remote-Code-Execution.html
- http://seclists.org/fulldisclosure/2020/Jan/40
- https://access.redhat.com/errata/RHSA-2019:3286
- https://access.redhat.com/errata/RHSA-2019:3287
- https://access.redhat.com/errata/RHSA-2019:3299
- https://access.redhat.com/errata/RHSA-2019:3300
- https://access.redhat.com/errata/RHSA-2019:3724
- https://access.redhat.com/errata/RHSA-2019:3735
- https://access.redhat.com/errata/RHSA-2019:3736
- https://access.redhat.com/errata/RHSA-2020:0322
- https://bugs.php.net/bug.php?id=78599
- https://github.com/neex/phuip-fpizdam
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3W23TP6X4H7LB645FYZLUPNIRD5W3EPU/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FSNBUSPKMLUHHOADROKNG5GDWDCRHT5M/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/T62LF4ZWVV7OMMIZFO6IFO5QLZKK7YRD/
- https://seclists.org/bugtraq/2020/Jan/44
- https://security.netapp.com/advisory/ntap-20191031-0003/
- https://support.apple.com/kb/HT210919
- https://support.f5.com/csp/article/K75408500?utm_source=f5support&%3Butm_medium=RSS
- https://usn.ubuntu.com/4166-1/
- https://usn.ubuntu.com/4166-2/
- https://www.debian.org/security/2019/dsa-4552
- https://www.debian.org/security/2019/dsa-4553