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VULNERABILITIES

CVE-2018-20819 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:7.8 HIGHVector:CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://github.com/dropbox/lepton/issues/112 CVEExploitIssue TrackingPatchThird Party Advisory
https://github.com/dropbox/lepton/issues/112 [email protected]ExploitIssue TrackingPatchThird Party Advisory

Weakness Enumeration

CWE-IDCWE NameSource
CWE-787Out-of-bounds Write[email protected]

Affected Products

ProductVersions
dropbox lepton
1.2.1

CPE

  • cpe:2.3:a:dropbox:lepton:1.2.1:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

5 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2018-20819
NVD Published Date:
Apr 23, 2019
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2018-20819 Details - Not Deferred