Vulnerability identifier: #VU62053
Vulnerability risk: High
Exploitation vector: Network
Exploit availability: No
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error in the singlevar function in lparser.c. A remote attacker can use a specially crafted luaK_exp2anyregup call, trigger heap-based buffer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.
Vulnerable software versions
Lua: 5.4.0 - 5.4.4
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.