CVE-2019-11043

Public on 2019-10-28

Modified on 2019-11-01

Description

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.

Severity

Critical

See what this means

CVSS v3 Base Score

8.1

See breakdown

Affected Packages

Platform	Package	Release Date	Advisory
Amazon Linux 2 - Core	php	2019-10-31 20:28	ALAS2-2019-1344
Amazon Linux 1	php56	2019-10-31 20:13	ALAS-2019-1315
Amazon Linux 1	php71	2019-10-31 20:13	ALAS-2019-1315
Amazon Linux 1	php72	2019-10-31 20:13	ALAS-2019-1315
Amazon Linux 1	php73	2019-10-31 20:13	ALAS-2019-1315

CVSS Scores

	Score Type	Score	Vector
Amazon Linux	CVSSv3	8.1	CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD	CVSSv2	7.5	AV:N/AC:L/Au:N/C:P/I:P/A:P
NVD	CVSSv3	9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

Red Hat: CVE-2019-11043 Mitre: CVE-2019-11043 FAQs regarding Amazon Linux ALAS/CVE Severity