PT-2017-8940 · Dropbox · Dropbox Lepton

Marco Grassi · Published 2017-02-02 · Updated 2017-02-07 · CVE-2016-6237

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions Dropbox lepton version 1.0

Description The issue allows remote attackers to cause denial of service (out-of-bounds write) via a crafted jpeg file. This is due to a problem in the build huffcodes function in lepton/jpgcoder.cc.

Recommendations For version 1.0, consider avoiding the use of crafted jpeg files until a patch is available. As a temporary workaround, restrict the processing of jpeg files to minimize the risk of exploitation.

Fix

Memory Corruption

Weakness Enumeration

CWE-787

Related Identifiers

CVE-2016-6237

Affected Products

Dropbox Lepton

References · 4

• https://github.com/dropbox/lepton/issues/26 · Patch
• http://openwall.com/lists/oss-security/2016/07/17/6 · Patch
• https://osv.dev/vulnerability/CVE-2016-6237 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2016-6237 · Security Note