Vulnerability identifier: #VU31897
Vulnerability risk: High
CVSSv3.1:
CVE-ID:
CWE-ID:
Exploitation vector: Network
Exploit availability:
Vulnerable software:
kramdown
Web applications /
Modules and components for CMS
Vendor: 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://<%= `).
Mitigation
Install update from vendor's website.
Vulnerable software versions
kramdown: 0.1.0 - 2.2.1
Fixed software versions
CPE
External links
http://github.com/gettalong/kramdown
http://github.com/gettalong/kramdown/commit/1b8fd33c3120bfc6e5164b449e2c2fc9c9306fde
http://github.com/gettalong/kramdown/compare/REL_2_2_1...REL_2_3_0
http://kramdown.gettalong.org
http://kramdown.gettalong.org/news.html
http://rubygems.org/gems/kramdown
Can this vulnerability be exploited remotely?
Is there known malware, which exploits this vulnerability?