#VU28143 Out-of-bounds read in PowerDNS Recursor - CVE-2020-10030
Published: May 20, 2020
Vulnerability identifier: #VU28143
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2020-10030
CWE-ID: CWE-125
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
PowerDNS Recursor
PowerDNS Recursor
Software vendor:
PowerDNS.COM B.V.
PowerDNS.COM B.V.
Description
The vulnerability allows a local user to gain access to potentially sensitive information.
The vulnerability exists due to a boundary condition when processing a hostname via the gethostname() function. A local user with ability to change system hostname can trigger out-of-bounds read error and read contents of memory on the system.
Remediation
Install update from vendor's website.