Out-of-bounds read in LuaJIT - CVE-2020-24372

Vulnerability identifier: #VU45994

CSH Severity: Medium

CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2020-24372

CWE-ID: CWE-125

Exploitation vector: Remote access

Exploit availability: No public exploit available

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 in lj_err_run in lj_err.c.

LuaJIT
Fedora
openEuler
luajit
luajit-help
luajit-devel
luajit-debuginfo
luajit-debugsource

Install update from vendor's website.

luajit - update to 2.0.5-1.20220913.46e62cd.el7
luajit - update to 2.1.0-2
luajit-help - update to 2.1.0-2
luajit-devel - update to 2.1.0-2
luajit-debuginfo - update to 2.1.0-2
luajit-debugsource - update to 2.1.0-2

• https://github.com/LuaJIT/LuaJIT/issues/603

• Denial of service in LuaJIT
• openEuler update for luajit
• Fedora EPEL 7 update for luajit