Out-of-bounds Read in Nasm Netwide_assembler

CVE-2017-17812

In Netwide Assembler (NASM) 2.14rc0, there is a heap-based buffer over-read in the function detoken() in asm/preproc.c that will cause a remote denial of service attack.

Vulnerability class: Buffer Overflow

EPSS: 0.002 (41.7th 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, x_refsource_MISC, Issue Tracking, Vendor Advisory)
  • cve@mitre.org (x_refsource_UBUNTU, vendor-advisory, Third Party Advisory)
  • cve@mitre.org (Patch, x_refsource_MISC, Vendor Advisory)

Frequently asked questions

What is CVE-2017-17812?
CVE-2017-17812 is a medium-severity vulnerability in Nasm Netwide_assembler, classified under Out-of-bounds Read. CVSS score: 5.5/10. Published 2017-12-21.
How severe is CVE-2017-17812?
Medium severity. CVSS v3 base score is 5.5 out of 10.