Improper input validation in Nasm Netwide Assembler

CVE-2018-19755

There is an illegal address access at asm/preproc.c (function: is_mmacro) in Netwide Assembler (NASM) 2.14rc16 that will cause a denial of service (out-of-bounds array access) because a certain conversion can result in a negative integer.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.010 (59.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

References

  • cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC)
  • cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC, Issue Tracking)

Frequently asked questions

What is CVE-2018-19755?
CVE-2018-19755 is a medium-severity vulnerability in Nasm Netwide Assembler, classified under Improper Input Validation. CVSS score: 5.5/10. Published 2018-11-30.
How severe is CVE-2018-19755?
Medium severity. CVSS v3 base score is 5.5 out of 10.