Out-of-bounds read in NicheStack TCP/IPv4 - CVE-2020-25767
Published: August 4, 2021
Vulnerability identifier: #VU55568
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-25767
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition in the DNSv4 component. A remote attacker can trigger out-of-bounds read error and read contents of memory on the system or perform a denial of service (DoS) attack.
Affected software
NicheStack TCP/IPv4
NicheLite
InterNiche stack
NicheLite
InterNiche stack
How to mitigate CVE-2020-25767
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.
NicheLite - update to 4.3
InterNiche stack - update to 4.3
InterNiche stack - update to 4.3