Type confusion in Redis - CVE-2018-12453
Published: June 19, 2018 / Updated: June 17, 2021
Vulnerability identifier: #VU13402
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P/U:Clear
CVE-ID: CVE-2018-12453
CWE-ID: CWE-704
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vendor: Salvatore Sanfilippo
Affected software:
Redis
Redis
Detailed vulnerability description
The vulnerability allows a remote authenticated attacker to cause DoS condition on the target system.
The vulnerability exists in the xgroupCommand function due to improper handling of an XGROUP command where the key is not a stream by the xgroupCommand function, as defined in the t_stream.c source code file. A remote attacker can execute an XGROUP command that submits malicious input, trigger a type confusion condition and cause the service to crash.
How to mitigate CVE-2018-12453
Install update from vendor's website.