Vulnerability Details : CVE-2018-20538
There is a use-after-free at asm/preproc.c (function pp_getline) in Netwide Assembler (NASM) 2.14rc16 that will cause a denial of service during certain finishes tests.
Vulnerability category: Memory CorruptionDenial of service
Exploit prediction scoring system (EPSS) score for CVE-2018-20538
Probability of exploitation activity in the next 30 days: 0.06%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 22 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2018-20538
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
---|---|---|---|---|---|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:N/A:P |
8.6
|
2.9
|
NIST |
5.5
|
MEDIUM | CVSS:3.0/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-2018-20538
-
Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code.Assigned by: nvd@nist.gov (Primary)
References for CVE-2018-20538
-
https://bugzilla.nasm.us/show_bug.cgi?id=3392531
3392531 – There is a heap-use-after-free at asm/preproc.c:5055(function:pp_getline) in nasm2.14rc16 that will cause dos attack.Issue Tracking;Exploit;Third Party Advisory
Products affected by CVE-2018-20538
- cpe:2.3:a:nasm:netwide_assembler:2.14.0:rc16:*:*:*:*:*:*