Debian update for ruby-kramdown



Published: 2020-08-14
Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-14001
CWE-ID CWE-74
Exploitation vector Network
Public exploit N/A
Vulnerable software
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ruby-kramdown (Debian package)
Operating systems & Components / Operating system package or component

Vendor Debian

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Improper Neutralization of Special Elements in Output Used by a Downstream Component

EUVDB-ID: #VU31897

Risk: High

CVSSv3.1:

CVE-ID: CVE-2020-14001

CWE-ID: CWE-74 - Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

Exploit availability: No

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

Update ruby-kramdown package to version 1.17.0-1+deb10u1.

Vulnerable software versions

ruby-kramdown (Debian package): 1.1.0-1 - 1.17.0-4


CPE2.3 External links

http://www.debian.org/security/2020/dsa-4743

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?



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