High severity · published Jul 1, 2022
CVE-2022-33099
An issue in the component luaG_runerror of Lua v5.4.4 and below leads to a heap-buffer overflow when a recursive error occurs
7.5
CVSS
2.8%
EPSS
No
On KEV
Description
An issue in the component luaG_runerror of Lua v5.4.4 and below leads to a heap-buffer overflow when a recursive error occurs.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.8% · higher than 87% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FE
Fedora · Fedoraproject
35; 36 · source: NVD
LU
Lua · Lua
5.4.2 through 5.4.4 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2022-33099
CVE.org
https://www.cve.org/CVERecord?id=CVE-2022-33099
Patch
https://github.com/lua/lua/commit/42d40581dd919fb134c07027ca1ce0844c670daf
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RJNJ66IFDUKWJJZXHGOLRGIA3HWWC36R/
lists.fedoraproject.org
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UHYZOEFDVLVAD6EEP4CDW6DNONIVVHPA/
Exploit
https://lua-users.org/lists/lua-l/2022-05/msg00035.html
Exploit
https://lua-users.org/lists/lua-l/2022-05/msg00042.html
Exploit
https://lua-users.org/lists/lua-l/2022-05/msg00073.html
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