9.8crit
CVE-2016-4991
Input passed to the Pdf() function is shell escaped and passed to child_process.exec() during PDF rendering.
Published 4 y ago · modified 4 mo ago · JSON
CVSS
9.8
v3.1 · NVD
CISA KEV
No
not known exploited
EPSS
1.8%
percentile 79%
Public exploits
0
none known
Summary
Input passed to the Pdf() function is shell escaped and passed to child_process.exec() during PDF rendering. However, the shell escape does not properly encode all special characters, namely, semicolon and curly braces. This can be abused to achieve command execution. This problem affects nodepdf 1.3.0.
Exploit prediction (EPSS)
1.84% probability of exploitation in the next 30 days, higher than 79% of all scored CVEs.
CVSS scores
| Assigned by | Version | Score | Vector |
|---|---|---|---|
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected products
- n/a nodepdf
Classification
- Weakness
- CWE-77 Improper Neutralization of Special Elements used in a Command
References
- lf.lc /cve/cve-2016-4991/ · x_refsource_MISC, x_transferred
Sources
- CVE List: CVE-2016-4991
- NVD: CVE-2016-4991
vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.