CVE-2018-1000886 — Improper Restriction of Operations within the Bounds of a Memory Buffer in Netwide Assembler

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory BufferCWE-122 — Heap-based Buffer Overflow7 documents6 sources
Severity
5.5MEDIUMNVD
EPSS
0.3%
top 46.59%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Nasm Netwide AssemblerDebian Nasm
Timeline
PublishedDec 20
Latest updateMay 14

Description

nasm version 2.14.01rc5, 2.15 contains a Buffer Overflow vulnerability in asm/stdscan.c:130 that can result in Stack-overflow caused by triggering endless macro generation, crash the program. This attack appear to be exploitable via a crafted nasm 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 Packages2 packages

▶debiandebian/nasm
▶NVDnasm/netwide_assembler2.14.01rc5, 2.15+1

🔴Vulnerability Details

2
GHSA
GHSA-9mxh-2hm2-fvp4: nasm version 2↗2022-05-14
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OSV
CVE-2018-1000886: nasm version 2↗2018-12-20
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📋Vendor Advisories

2
Red Hat
nasm: Buffer overflow in asm/stdscan.c:130 resulting in a denial of service↗2018-09-06
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Debian
CVE-2018-1000886: nasm - nasm version 2.14.01rc5, 2.15 contains a Buffer Overflow vulnerability in asm/st...↗2018
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💬Community

2
Bugzilla
CVE-2018-1000886 nasm: Buffer overflow in asm/stdscan.c:130 resulting in a denial of service↗2019-01-07
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Bugzilla
CVE-2018-1000886 CVE-2018-20535 CVE-2018-20538 nasm: various flaws [fedora-all]↗2019-01-07
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