#VU31897 Improper Neutralization of Special Elements in Output Used by a Downstream Component in kramdown - CVE-2020-14001
Published: July 27, 2020
Vulnerability identifier: #VU31897
Vulnerability risk: High
CVSSv4.0: 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/E:U/U:Amber
CVE-ID: CVE-2020-14001
CWE-ID: CWE-74
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
kramdown
kramdown
Software vendor:
Thomas Leitner
Thomas Leitner
Description
The vulnerability allows a remote attacker to execute arbitrary code on the system.
The vulnerability exists due to improper validation of input. A remote attacker can gain read access (such as template="/etc/passwd") or embedded Ruby code execution (such as a string that begins with template="string://<%= `).
Remediation
Install update from vendor's website.