Heap Buffer Overflow in Lua v5.4.4 and Below Affects Lua Technologies
CVE-2022-33099

7.5HIGH

Key Information:

Vendor

Lua

Status
Lua
Vendor
CVE Published:
1 July 2022

What is CVE-2022-33099?

A heap buffer overflow vulnerability exists in Lua versions 5.4.4 and earlier. This flaw arises during recursive error handling when the luaG_runerror function is called, potentially leading to memory corruption. Attackers can exploit this vulnerability to disrupt normal operations, causing applications to crash or behave unpredictably. It is essential for users to update to a secure version to mitigate the risks associated with this issue.

References

https://github.com/lua/lua/commit/42d40581dd919fb134c0702...
x_refsource_MISC
https://lua-users.org/lists/lua-l/2022-05/msg00035.html
x_refsource_MISC
https://lua-users.org/lists/lua-l/2022-05/msg00042.html
x_refsource_MISC

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.