Vulnerability Details : CVE-2021-33457
An issue was discovered in yasm version 1.3.0. There is a NULL pointer dereference in expand_mmac_params() in modules/preprocs/nasm/nasm-pp.c.
Vulnerability category: Memory Corruption
Products affected by CVE-2021-33457
- cpe:2.3:a:tortall:yasm:1.3.0:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-33457
0.06%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 21 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-33457
| 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-2021-33457
-
The product dereferences a pointer that it expects to be valid but is NULL.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-33457
-
https://github.com/yasm/yasm/issues/171
A NULL pointer dereference in the function expand_mmac_params() modules/preprocs/nasm/nasm-pp.c:3861 · Issue #171 · yasm/yasm · GitHubExploit;Issue Tracking;Third Party Advisory
-
https://gist.github.com/Clingto/bb632c0c463f4b2c97e4f65f751c5e6d
Minimum information for the vulnerability covered by 32 CVEs. · GitHubThird Party Advisory
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