Division by zero in lepton - CVE-2017-7448

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Main Vulnerability Database Vulnerabilities #VU39270

Division by zero in lepton - CVE-2017-7448

Published: April 6, 2017 / Updated: August 8, 2020


Vulnerability identifier: #VU39270
CSH Severity: Medium
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2017-7448
CWE-ID: CWE-369
Exploitation vector: Local access
Exploit availability: No public exploit available
Vulnerable software:
lepton
Software vendor:
Dropbox

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to divide-by-zero error within The allocate_channel_framebuffer function in uncompressed_components.hh in Dropbox Lepton 1.2.1. A remote attacker can perform a denial of service (divide-by-zero error and application crash) via a malformed JPEG image.


Remediation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

External links