CVE-2018-16999 — Out-of-bounds Write in Nasm

CWE-787 — Out-of-bounds WriteCWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer7 documents6 sources
Severity
5.5MEDIUMNVD
EPSS
0.3%
top 45.43%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
NasmDebian NasmNasm Netwide Assembler
Timeline
PublishedSep 13
Latest updateMay 13

Description

Netwide Assembler (NASM) 2.14rc15 has an invalid memory write (segmentation fault) in expand_smacro in preproc.c, which allows attackers to cause a denial of service via a crafted input file.

CVSS vector

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6

Affected Packages3 packages

▶debiandebian/nasm< nasm 2.14-1 (bookworm)
▶Debiannasm/nasm< 2.14-1+3

🔴Vulnerability Details

2
GHSA
GHSA-2rh6-gmp4-qfj9: Netwide Assembler (NASM) 2↗2022-05-13
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OSV
CVE-2018-16999: Netwide Assembler (NASM) 2↗2018-09-13
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📋Vendor Advisories

2
Red Hat
nasm: Invalid memory write (segmentation fault) in expand_smacro in preproc.c↗2018-09-13
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Debian
CVE-2018-16999: nasm - Netwide Assembler (NASM) 2.14rc15 has an invalid memory write (segmentation faul...↗2018
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💬Community

2
Bugzilla
CVE-2018-16999 nasm: Invalid memory write (segmentation fault) in expand_smacro in preproc.c↗2018-09-17
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Bugzilla
CVE-2018-16999 nasm: Invalid memory write (segmentation fault) in expand_smacro in preproc.c [fedora-all]↗2018-09-17
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