Path traversal in Adaptive Images for WordPress - CVE-2019-14206
Published: July 23, 2019
Vulnerability identifier: #VU19313
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2019-14206
CWE-ID: CWE-22
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform directory traversal attacks.
The vulnerability exists due to the plugin contains a cache mechanism that allows the generated resized images to be saved and cached to prevent excessive resources usage. A remote attacker can send a specially crafted file and delete arbitrary files on the system.
The only condition to successfully exploit this vulnerability is that the file that we pass as "$source_file" is newer than the file that we pass as "$cache_file".
Affected software
Adaptive Images for WordPress
How to mitigate CVE-2019-14206
Install updates from vendor's website.
Adaptive Images for WordPress - update to 0.6.67