CVE-2020-24342 — Improper Restriction of Operations within the Bounds of a Memory Buffer in Lua5.4

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory BufferCWE-120 — Classic Buffer Overflow9 documents8 sources
Severity
7.8HIGHNVD
EPSS
0.3%
top 46.05%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
7
Debian Lua5.4Fedoraproject FedoraLUA+4 more
Timeline
PublishedAug 13
Latest updateJun 30

Description

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.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9

Affected Packages6 packages

▶debiandebian/lua5.4< lua5.4 5.4.1-1 (bookworm)
▶NVDlua/lua5.4.0

Also affects: Fedora 33

Patches

Patch: github.com ↗Patch: github.com ↗

🔴Vulnerability Details

2
GHSA
GHSA-ggfm-9pxx-qx8r: Lua through 5↗2022-05-24
▶
OSV
CVE-2020-24342: Lua through 5↗2020-08-13
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📋Vendor Advisories

3
Microsoft
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.↗2020-08-11
▶
Red Hat
lua: buffer overflow in luaO_pushvfstring↗2020-07-06
▶
Debian
CVE-2020-24342: lua5.4 - Lua through 5.4.0 allows a stack redzone cross in luaO_pushvfstring because a pr...↗2020
▶

📄Research Papers

1
arXiv
Threat Assessment in Machine Learning based Systems↗2022-06-30
▶

💬Community

2
Bugzilla
CVE-2020-24342 lua: buffer overflow in luaO_pushvfstring [fedora-all]↗2020-08-27
▶
Bugzilla
CVE-2020-24342 lua: buffer overflow in luaO_pushvfstring↗2020-08-27
▶
CVE-2020-24342 — Debian Lua5.4 vulnerability | cvebase