CVE-2020-15888 — Out-of-bounds Read in Lua5.4

CWE-125 — Out-of-bounds ReadCWE-416 — Use After FreeCWE-787 — Out-of-bounds WriteCWE-122 — Heap-based Buffer Overflow9 documents8 sources
Severity
8.8HIGHNVD
EPSS
1.2%
top 20.67%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
5
Debian Lua5.4LUAMsrc Azl3 Ceph 18.2.2-8 ON Azure Linux 3.0+2 more
Timeline
PublishedJul 21
Latest updateJun 30

Description

Lua through 5.4.0 mishandles the interaction between stack resizes and garbage collection, leading to a heap-based buffer overflow, heap-based buffer over-read, or use-after-free.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HExploitability: 2.8 | Impact: 5.9

Affected Packages5 packages

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

Patches

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

🔴Vulnerability Details

2
GHSA
GHSA-4f5v-4r5w-g4x3: Lua through 5↗2022-05-24
▶
OSV
CVE-2020-15888: Lua through 5↗2020-07-21
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📋Vendor Advisories

3
Microsoft
Lua through 5.4.0 mishandles the interaction between stack resizes and garbage collection leading to a heap-based buffer overflow heap-based buffer over-read or use-after-free.↗2020-07-14
▶
Red Hat
lua: stack resizes and garbage collection leads to heap-based buffer overflow↗2020-07-06
▶
Debian
CVE-2020-15888: lua5.4 - Lua through 5.4.0 mishandles the interaction between stack resizes and garbage c...↗2020
▶

📄Research Papers

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

2
Bugzilla
CVE-2020-15888 lua: stack resizes and garbage collection leads to heap-based buffer overflow↗2020-07-24
▶
Bugzilla
CVE-2020-15888 lua: stack resizes and garbage collection leads to heap-based buffer overflow [fedora-all]↗2020-07-24
▶
CVE-2020-15888 — Out-of-bounds Read in Debian Lua5.4 | cvebase