#VU48579 Infinite loop in musl libc - CVE-2020-28928
Published: November 20, 2020 / Updated: April 23, 2021
Vulnerability identifier: #VU48579
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2020-28928
CWE-ID: CWE-835
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
musl libc
musl libc
Software vendor:
GNU
GNU
Description
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to infinite loop within the wcsnrtombs() function in musl libc. A remote attacker can consume all available system resources and cause denial of service conditions.
Remediation
Install update from vendor's website.