Vulnerability Details : CVE-2021-39540
Potential exploit
An issue was discovered in pdftools through 20200714. A stack-buffer-overflow exists in the function Analyze::AnalyzePages() located in analyze.cpp. It allows an attacker to cause code Execution.
Vulnerability category: OverflowMemory Corruption
Products affected by CVE-2021-39540
- cpe:2.3:a:pdftools_project:pdftools:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-39540
0.41%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 59 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-39540
| 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-2021-39540
-
The product writes data past the end, or before the beginning, of the intended buffer.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-39540
-
https://github.com/leonhad/pdftools/issues/2
A stack overflow in analyze.cpp:604:60 causes Segmentation fault · Issue #2 · leonhad/pdftools · GitHubExploit;Issue Tracking;Third Party Advisory
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