Vulnerability identifier: #VU34131
Vulnerability risk: Medium
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-125
Exploitation vector: Network
Exploit availability: No
Vulnerable software:
LuaJIT
Other software /
Other software solutions
Debian Linux
Operating systems & Components /
Operating system
Vendor:
siddhesh (Siddhesh Poyarekar)
Debian
Description
The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
LuaJit through 2.1.0-beta3 has an out-of-bounds read because __gc handler frame traversal is mishandled.
Mitigation
Install update from vendor's website.
Vulnerable software versions
LuaJIT: 2.1.0
Debian Linux: 2.1.0 - 9.0
External links
http://github.com/LuaJIT/LuaJIT/issues/601
http://lists.debian.org/debian-lts-announce/2020/07/msg00026.html
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.