Buffer overflow in Nasm Netwide Assembler
CVE-2017-17811
In Netwide Assembler (NASM) 2.14rc0, there is a heap-based buffer overflow that will cause a remote denial of service attack, related to a strcpy in paste_tokens in asm/preproc.c, a similar issue to CVE-2017-11111.
Vulnerability class: Buffer Overflow
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.012 (68.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 68th percentile — 68.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000
Affected products
- Nasm Netwide Assembler — versions 2.14
- Canonical Ubuntu Linux — versions 14.04
Weakness classification (CWE)
Public proof-of-concept exploits
References
- bugzilla.nasm.us/show_bug.cgi (Exploit, Issue Tracking, Vendor Advisory)
- usn.ubuntu.com/3694-1/ (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2017-17811?
- CVE-2017-17811 is a medium-severity vulnerability in Nasm Netwide Assembler, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 5.5/10. Published 2017-12-21.
- How severe is CVE-2017-17811?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2017-17811 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.