5.5

CVE-2018-1000667: nasm netwide_assembler

CVSS: 5.5v3.0MediumModified
AliasesUBUNTU-CVE-2018-1000667DEBIAN-CVE-2018-1000667
Published 06-09-2018Last modified 05-08-2024

Vulnerability summary

CVE-2018-1000667 is a medium (CVSS 5.5) vulnerability in nasm netwide_assembler. EPSS estimates a 1.23% chance of exploitation in the next 30 days, higher than 68.3% of scored vulnerabilities. 2 public exploits are recorded.

Overall risk
32/100
0100
Medium · default modelHow is this calculated?
CVSS score
5.5/10
010
Medium · v3.0 (NVD)
EPSS score
1.23%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits2github, reference

Advisory lineage

Upstream 0 · Downstream 4 · Related 3

Timeline

  1. 06-09-2018
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

NASM nasm-2.13.03 nasm- 2.14rc15 version 2.14rc15 and earlier contains a memory corruption (crashed) of nasm when handling a crafted file due to function assemble_file(inname, depend_ptr) at asm/nasm.c:482. vulnerability in function assemble_file(inname, depend_ptr) at asm/nasm.c:482. that can result in aborting/crash nasm program. This attack appear to be exploitable via a specially crafted asm file..

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

1.23%

Chance of exploitation in the next 30 days

Percentile

68%

Versus all other CVEs

30-day change

0.00 pp

From 1.23% on 19-09-2026

19-09-202619-10-2026
EPSS score
1.23%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

2 found
  • githubUnverified

    Nasm

    Maturity: poc

  • referenceUnverified

    Exploit Reference (bugzilla.nasm.us)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Debian1 product
  • nasm< 2.14-1
Nasm1 product
  • netwide_assembler≤ 2.14.0 | 2.14.0:rc1 | 2.14.0:rc10 | 2.14.0:rc11 | 2.14.0:rc12 | 2.14.0:rc13 | 2.14.0:rc14 | 2.14.0:rc15 | 2.14.0:rc2 | 2.14.0:rc3 | 2.14.0:rc4 | 2.14.0:rc5 | 2.14.0:rc6 | 2.14.0:rc7 | 2.14.0:rc8 | 2.14.0:rc9
Ubuntu1 product
  • nasmAll versions (No fix recorded)

3 vendors · 3 products

References

7 links