Use After Free in Nasm Netwide_assembler
CVE-2017-17817
In Netwide Assembler (NASM) 2.14rc0, there is a use-after-free in pp_verror in asm/preproc.c that will cause a remote denial of service attack.
Vulnerability class: Use-After-Free
EPSS: 0.002 (38.8th 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
- Nasm Netwide_assembler — versions 2.14
- Canonical Ubuntu_linux — versions 14.04
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (x_refsource_UBUNTU, vendor-advisory, Third Party Advisory)
- cve@mitre.org (Exploit, VDB Entry, Third Party Advisory, x_refsource_MISC, Issue Tracking)
Frequently asked questions
- What is CVE-2017-17817?
- CVE-2017-17817 is a medium-severity vulnerability in Nasm Netwide_assembler, classified under Use After Free. CVSS score: 5.5/10. Published 2017-12-21.
- How severe is CVE-2017-17817?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2017-17817 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.