CVE-2020-37282
What it is
office-converter through 1.0.2 contains an OS command injection vulnerability that allows attackers to execute commands by supplying a crafted fileName to generatePdf() or generateHtml(). Attackers can embed $(...), backticks, or a closing quote with shell metacharacters in the file name, which is concatenated into an unoconv command run via child_process.exec(), executing commands with Node.js process privileges.
At a glance
- Exploitability
- Can be exploited over the network without logging in. High risk of data exposure, data tampering, service disruption.
- Exploit odds
- 3.4% chance of exploitation in the next 30 days (EPSS).
- Fix
- A patch, advisory or fixed version is referenced. Upgrade or apply it.
Timeline
- PublishedDisclosed publicly on CVE.org and NVD
- Last updatedMost recent change to the record
Details
- Published
- Last modified
- Exploit probability
- 3.4% · EPSS, next 30 days
- Weakness
- CWE-78 · OS command injection
- Record status
- Deferred
Attack profile CVSS 4.0 · 9.3
- Attack vector
- Network
- Complexity
- Low
- Attack requirements
- None
- Privileges needed
- None
- User interaction
- None
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Raw vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Fix and advisories
- https://github.com/advisories/GHSA-9p64-h5q4-phpm
- https://github.com/vworld4u/office-converter/pull/9
- https://github.com/vworld4u/office-converter/pull/9
References
- https://github.com/advisories/GHSA-9p64-h5q4-phpm
- https://github.com/vworld4u/office-converter/blob/b1ea855d0001dc7a5d66343698634dbc06b72c2d/index.js#L19-L20
- https://github.com/vworld4u/office-converter/pull/9
- https://www.vulncheck.com/advisories/office-converter-through-1.0.2-os-command-injection-via-filename-in-generatepdf
- https://github.com/vworld4u/office-converter/pull/9