Input validation error in RubyGems and Ruby - CVE-2013-4363
Published: October 18, 2013 / Updated: August 10, 2020
Vulnerability identifier: #VU42458
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2013-4363
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Ruby
Affected software:
RubyGems
Ruby
RubyGems
Ruby
Detailed vulnerability description
The vulnerability allows remote attackers to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can cause a denial of service (CPU consumption) via a crafted gem version that triggers a large amount of backtracking in a regular expression.
How to mitigate CVE-2013-4363
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.