Vulnerability Details : CVE-2021-42204
An issue was discovered in swftools through 20201222. A heap-buffer-overflow exists in the function swf_GetBits() located in rfxswf.c. It allows an attacker to cause code execution.
Vulnerability category: OverflowMemory Corruption
Products affected by CVE-2021-42204
- cpe:2.3:a:swftools:swftools:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-42204
0.09%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 35 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-42204
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
6.8
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:P/A:P |
8.6
|
6.4
|
NIST | |
|
7.8
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
NIST |
CWE ids for CVE-2021-42204
-
The product writes data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-42204
-
https://github.com/matthiaskramm/swftools/issues/169
heap-buffer-overflow exists in the function swf_GetBits in rfxswf.c · Issue #169 · matthiaskramm/swftools · GitHubExploit;Third Party Advisory
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