#VU52829 Integer overflow in Redis - CVE-2021-29478

 

#VU52829 Integer overflow in Redis - CVE-2021-29478

Published: May 4, 2021


Vulnerability identifier: #VU52829
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2021-29478
CWE-ID: CWE-190
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Redis
Software vendor:
Redis Labs

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to integer overflow in COPY command for large intsets. A remote attacker can pass specially crafted data to the application, trigger integer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system for Redis starting with 6.2. Vulnerability exploitation in older versions results in a corrupted RDB or DUMP payload.


Remediation

Install updates from vendor's website.

External links