#VU35126 Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG) in Chicken Scheme - CVE-2012-6124
Published: October 31, 2019 / Updated: August 8, 2020
Vulnerability identifier: #VU35126
Vulnerability risk: Medium
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:Green
CVE-ID: CVE-2012-6124
CWE-ID: CWE-338
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Chicken Scheme
Chicken Scheme
Software vendor:
call-cc.org
call-cc.org
Description
The vulnerability allows a remote non-authenticated attacker to manipulate data.
A casting error in Chicken before 4.8.0 on 64-bit platform caused the random number generator to return a constant value. NOTE: the vendor states "This function wasn't used for security purposes (and is advertised as being unsuitable)."
Remediation
Install update from vendor's website.