Vulnerability Details : CVE-2020-21687
Buffer Overflow vulnerability in scan function in stdscan.c in nasm 2.15rc0 allows remote attackers to cause a denial of service via crafted asm file.
Vulnerability category: OverflowMemory CorruptionDenial of service
Products affected by CVE-2020-21687
- cpe:2.3:a:nasm:netwide_assembler:2.15:rc0:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-21687
0.07%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 33 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-21687
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.5
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
1.8
|
3.6
|
NIST |
CWE ids for CVE-2020-21687
-
The product writes data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-21687
-
https://bugzilla.nasm.us/show_bug.cgi?id=3392645
3392645 – stack-overflow in scan at stdscan.c:131Exploit;Issue Tracking;Vendor Advisory
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