Improper input validation in Dropbox Lepton

CVE-2018-12108

An issue was discovered in Dropbox Lepton 1.2.1. The validateAndCompress function in validation.cc allows remote attackers to cause a denial of service (SIGFPE and application crash) via a malformed file.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.012 (62.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

  • cve@mitre.org (Exploit, Patch, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2018-12108?
CVE-2018-12108 is a medium-severity vulnerability in Dropbox Lepton, classified under Improper Input Validation. CVSS score: 5.5/10. Published 2018-06-11.
How severe is CVE-2018-12108?
Medium severity. CVSS v3 base score is 5.5 out of 10.
Is CVE-2018-12108 known to be exploited?
3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.