CVE-2020-15889 — Out-of-bounds Read in Lua5.4

CWE-125 — Out-of-bounds ReadCWE-122 — Heap-based Buffer Overflow9 documents8 sources
Severity
9.8CRITICALNVD
EPSS
0.5%
top 33.60%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
6
Debian Lua5.4LUAMsrc Azl3 Ceph 18.2.2-8 ON Azure Linux 3.0+3 more
Timeline
PublishedJul 21
Latest updateJun 30

Description

Lua 5.4.0 has a getobjname heap-based buffer over-read because youngcollection in lgc.c uses markold for an insufficient number of list members.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9

Affected Packages6 packages

▶debiandebian/lua5.4< lua5.4 5.4.0-2 (bookworm)
▶NVDlua/lua5.4.0

Patches

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

🔴Vulnerability Details

2
GHSA
GHSA-j29r-h8wr-v5v8: Lua through 5↗2022-05-24
▶
OSV
CVE-2020-15889: Lua 5↗2020-07-21
▶

📋Vendor Advisories

3
Microsoft
Lua 5.4.0 has a getobjname heap-based buffer over-read because youngcollection in lgc.c uses markold for an insufficient number of list members.↗2020-07-14
▶
Red Hat
lua: heap-based buffer over-read in lgc.c↗2020-07-06
▶
Debian
CVE-2020-15889: lua5.4 - Lua 5.4.0 has a getobjname heap-based buffer over-read because youngcollection i...↗2020
▶

📄Research Papers

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

💬Community

2
Bugzilla
CVE-2020-15889 lua: heap-based buffer over-read in lgc.c↗2020-07-24
▶
Bugzilla
CVE-2020-15889 lua: heap-based buffer over-read in lgc.c [fedora-all]↗2020-07-24
▶
CVE-2020-15889 — Out-of-bounds Read in Debian Lua5.4 | cvebase