Vulnerability Monitor

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CVE-2022-28805

singlevar in lparser.c in Lua from (including) 5.4.0 up to (excluding) 5.4.4 lacks a certain luaK_exp2anyregup call, leading to a heap-based buffer over-read that might affect a system that compiles untrusted Lua code.

Published

2022-04-08T06:15:07.243

Last Modified

2024-11-21T06:57:57.733

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 9.1 (CRITICAL)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:P/I:N/A:P

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: PARTIAL
Integrity Impact: NONE
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

4.9

Weaknesses

Type: Primary
CWE-125

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	lua	lua	< 5.4.5	Yes
Operating System	fedoraproject	fedora	35	Yes
Operating System	fedoraproject	fedora	36	Yes

References

https://github.com/lua/lua/commit/1f3c6f4534c6411313361697d98d1145a1f030fa Patch, Third Party Advisory ([email protected])
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RJNJ66IFDUKWJJZXHGOLRGIA3HWWC36R/ Third Party Advisory ([email protected])
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UHYZOEFDVLVAD6EEP4CDW6DNONIVVHPA/ Third Party Advisory ([email protected])
https://lua-users.org/lists/lua-l/2022-02/msg00001.html Exploit, Mailing List, Third Party Advisory ([email protected])
https://lua-users.org/lists/lua-l/2022-02/msg00070.html Exploit, Mailing List, Third Party Advisory ([email protected])
https://lua-users.org/lists/lua-l/2022-04/msg00009.html Exploit, Mailing List, Third Party Advisory ([email protected])
https://security.gentoo.org/glsa/202305-23 Third Party Advisory ([email protected])
https://github.com/lua/lua/commit/1f3c6f4534c6411313361697d98d1145a1f030fa Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RJNJ66IFDUKWJJZXHGOLRGIA3HWWC36R/ Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UHYZOEFDVLVAD6EEP4CDW6DNONIVVHPA/ Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lua-users.org/lists/lua-l/2022-02/msg00001.html Exploit, Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lua-users.org/lists/lua-l/2022-02/msg00070.html Exploit, Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lua-users.org/lists/lua-l/2022-04/msg00009.html Exploit, Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://security.gentoo.org/glsa/202305-23 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)