CVE-2019-20352 — Out-of-bounds Read in Nasm

CWE-125 — Out-of-bounds ReadCWE-122 — Heap-based Buffer Overflow8 documents7 sources
Severity
7.1HIGHNVD
EPSS
0.3%
top 46.85%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
5
NasmDebian NasmNasm Netwide Assembler+2 more
Timeline
PublishedJan 6
Latest updateMay 24

Description

In Netwide Assembler (NASM) 2.15rc0, a heap-based buffer over-read occurs (via a crafted .asm file) in set_text_free when called from expand_one_smacro in asm/preproc.c.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:HExploitability: 1.8 | Impact: 5.2

Affected Packages5 packages

▶debiandebian/nasm< nasm 2.15.04-1 (bookworm)
▶Debiannasm/nasm< 2.15.04-1+3

🔴Vulnerability Details

2
GHSA
GHSA-m9qp-645h-mppv: In Netwide Assembler (NASM) 2↗2022-05-24
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OSV
CVE-2019-20352: In Netwide Assembler (NASM) 2↗2020-01-06
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📋Vendor Advisories

3
Microsoft
In Netwide Assembler (NASM) 2.15rc0, a heap-based buffer over-read occurs (via a crafted .asm file) in set_text_free when called from expand_one_smacro in asm/preproc.c.↗2020-01-14
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Red Hat
nasm: heap-based buffer over-read in set_text_free when called from expand_one_smacro in asm/preproc.c↗2020-01-14
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Debian
CVE-2019-20352: nasm - In Netwide Assembler (NASM) 2.15rc0, a heap-based buffer over-read occurs (via a...↗2019
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💬Community

2
Bugzilla
CVE-2019-20352 nasm: heap-based buffer over-read in set_text_free when called from expand_one_smacro in asm/preproc.c [fedora-all]↗2020-01-14
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Bugzilla
CVE-2019-20352 nasm: heap-based buffer over-read in set_text_free when called from expand_one_smacro in asm/preproc.c↗2020-01-14
▶