Improper verification of cryptographic signature in Ruby - CVE-2018-1000076
Published: April 10, 2018
Vulnerability identifier: #VU11648
CSH Severity: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2018-1000076
CWE-ID: CWE-347
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Ruby
Ruby
Software vendor:
Ruby
Ruby
Description
The vulnerability allows a remote attacker to write arbitrary files on the target system.
The weakness exists in package.rb due to improper verification of cryptographic signature. A remote attacker can install mis-signed gem, as the tarball would contain multiple gem signatures.
The weakness exists in package.rb due to improper verification of cryptographic signature. A remote attacker can install mis-signed gem, as the tarball would contain multiple gem signatures.
Remediation
Update to version 2.7.6.