Code Injection in Symfony - CVE-2019-11325
Published: November 22, 2019
Vulnerability identifier: #VU22929
CSH Severity: High
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2019-11325
CWE-ID: CWE-94
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to some strings are not properly escaped when being dumped by the "VarExporter" component. A remote attacker can send a specially crafted request and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Affected software
Symfony
How to mitigate CVE-2019-11325
Install updates from vendor's website.
Symfony - addressed in versions 4.2.12, 4.3.8