Debian DSA-4553-1 : php7.3 - security update

critical Nessus Plugin ID 130350

Synopsis

The remote Debian host is missing a security-related update.

Description

Emil Lerner and Andrew Danau discovered that insufficient validation in the path handling code of PHP FPM could result in the execution of arbitrary code in some setups.

Solution

Upgrade the php7.3 packages.

For the stable distribution (buster), this problem has been fixed in version 7.3.11-1~deb10u1.

See Also

https://security-tracker.debian.org/tracker/source-package/php7.3

https://packages.debian.org/source/buster/php7.3

https://www.debian.org/security/2019/dsa-4553

Plugin Details

Severity: Critical

ID: 130350

File Name: debian_DSA-4553.nasl

Version: 1.12

Type: local

Agent: unix

Published: 10/29/2019

Updated: 12/6/2022

Supported Sensors: Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.4

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS Score Source: CVE-2019-11043

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 9.4

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:H/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:php7.3, cpe:/o:debian:debian_linux:10.0

Required KB Items: Host/local_checks_enabled, Host/Debian/release, Host/Debian/dpkg-l

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 10/28/2019

Vulnerability Publication Date: 10/28/2019

CISA Known Exploited Vulnerability Due Dates: 4/15/2022

Exploitable With

Metasploit (PHP-FPM Underflow RCE)

Reference Information

CVE: CVE-2019-11043

DSA: 4553

IAVA: 2019-A-0399-S