Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2020-24342

Lua through 5.4.0 allows a stack redzone cross in luaO_pushvfstring because a protection mechanism wrongly calls luaD_callnoyield twice in a row.

Published

2020-08-13T19:15:13.613

Last Modified

2024-11-21T05:14:37.740

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.8 (HIGH)

CVSSv2 Vector

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

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

Exploitability Score

8.6

Impact Score

6.4

Weaknesses

Type: Primary
CWE-119

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	lua	lua	5.4.0	Yes
Operating System	fedoraproject	fedora	33	Yes

References

http://lua-users.org/lists/lua-l/2020-07/msg00052.html Exploit, Mailing List, Vendor Advisory ([email protected])
https://github.com/lua/lua/commit/34affe7a63fc5d842580a9f23616d057e17dfe27 Patch, Third Party Advisory ([email protected])
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QA5Q5MDQMTGXRQO3PAQ4EZFTYWJXZM5N/ ([email protected])
http://lua-users.org/lists/lua-l/2020-07/msg00052.html Exploit, Mailing List, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://github.com/lua/lua/commit/34affe7a63fc5d842580a9f23616d057e17dfe27 Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QA5Q5MDQMTGXRQO3PAQ4EZFTYWJXZM5N/ (af854a3a-2127-422b-91ae-364da2661108)