CVE-2018-20819
7.8 · HIGHOverview
CVE-2018-20819 is a high-severity vulnerability affecting dropbox lepton. It was published on April 23, 2019 and has a CVSS 3.0 base score of 7.8 (HIGH).
This vulnerability has a CVSS 3.0 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.
Technical Description
io/ZlibCompression.cc in the decompression component in Dropbox Lepton 1.2.1 allows attackers to cause a denial of service (heap-based buffer overflow and application crash) or possibly have unspecified other impact by crafting a jpg image file. The root cause is a missing check of header payloads that may be (incorrectly) larger than the maximum file size.
Remediation
Check the references section for vendor advisories and patches from dropbox. Update lepton to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
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Frequently Asked Questions
What is CVE-2018-20819?
CVE-2018-20819 is a high-severity vulnerability affecting dropbox lepton. It was published on April 23, 2019 and has a CVSS 3.0 base score of 7.8 (HIGH).
How severe is CVE-2018-20819?
This vulnerability has a CVSS 3.0 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2018-20819?
Check the references section for vendor advisories and patches from dropbox. Update lepton to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2018-20819?
CyberStrike's AI-powered security agents can automatically detect CVE-2018-20819 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
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