PT-2017-8941 · Dropbox · Dropbox Lepton

Marco Grassi · Published 2017-02-02 · Updated 2017-02-07 · CVE-2016-6238

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 a denial of service (out-of-bounds read) via a crafted jpeg file. This is due to a problem in the write ujpg function in lepton/jpgcoder.cc.

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

Fix

Out of bounds Read

Weakness Enumeration

CWE-125

Related Identifiers

CVE-2016-6238

Affected Products

Dropbox Lepton

References · 4

• https://github.com/dropbox/lepton/issues/26 · Patch
• https://osv.dev/vulnerability/CVE-2016-6238 · Vendor Advisory
• http://openwall.com/lists/oss-security/2016/07/17/6 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2016-6238 · Security Note