Buffer overflow in Nasm Netwide Assembler
CVE-2018-8882
Netwide Assembler (NASM) 2.13.02rc2 has a stack-based buffer under-read in the function ieee_shr in asm/float.c via a large shift value.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.004 (28.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 28th percentile — 28.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Nasm Netwide Assembler — versions 2.13.02
Weakness classification (CWE)
Public proof-of-concept exploits
References
- bugzilla.nasm.us/show_bug.cgi (Issue Tracking, Vendor Advisory)
- lists.opensuse.org/opensuse-security-announce/2020-07/msg00017.html (vendor-advisory)
- lists.opensuse.org/opensuse-security-announce/2020-07/msg00015.html (vendor-advisory)
Frequently asked questions
- What is CVE-2018-8882?
- CVE-2018-8882 is a high-severity vulnerability in Nasm Netwide Assembler, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.8/10. Published 2018-03-20.
- How severe is CVE-2018-8882?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2018-8882 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.