#VU54478 Out-of-bounds read in rpm - CVE-2021-20266 

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Main Vulnerability Database Vulnerabilities #VU54478

#VU54478 Out-of-bounds read in rpm - CVE-2021-20266

Published: June 30, 2021


Vulnerability identifier: #VU54478
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2021-20266
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
rpm
Software vendor:
rpm-software-management

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition within the hdrblobInit() function in lib/header.c. A remote attacker can create a specially crafted file, trick the victim into opening it, trigger out-of-bounds read error and read contents of memory on the system.


Remediation

Install updates from vendor's website.

External links