CVE-2018-20819

Public Exploit

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.

Category

7.8
CVSS
Severity: High
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.26%
Third-Party Advisory github.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/dropbox/lepton/issues/112 patch exploit third party advisory issue tracking

Frequently Asked Questions

What is the severity of CVE-2018-20819?
CVE-2018-20819 has been scored as a high severity vulnerability.
How to fix CVE-2018-20819?
To fix CVE-2018-20819, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2018-20819 being actively exploited in the wild?
It is possible that CVE-2018-20819 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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