Dropbox Lepton 1.0 JPEG File lepton/jpgcoder.cc process_file input validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.4$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in Dropbox Lepton 1.0. This affects the function process_file of the file lepton/jpgcoder.cc of the component JPEG File Handler. Such manipulation leads to input validation. This vulnerability is referenced as CVE-2016-6234. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Dropbox Lepton 1.0 (Cloud Software). Affected by this issue is the function process_file of the file lepton/jpgcoder.cc of the component JPEG File Handler. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is availability. CVE summarizes:

The process_file function in lepton/jpgcoder.cc in Dropbox lepton 1.0 allows remote attackers to cause a denial of service (crash) via a crafted jpeg file.

The bug was discovered 07/17/2016. The weakness was published 02/02/2017 (Website). The advisory is shared for download at openwall.com. This vulnerability is handled as CVE-2016-6234 since 07/17/2016. The attack may be launched remotely. No form of authentication is required for exploitation. There are known technical details, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 200 days. During that time the estimated underground price was around $0-$5k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Similar entries are available at VDB-96501, VDB-96502, VDB-96503 and VDB-96504. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.4

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

07/17/2016 🔍
07/17/2016 +0 days 🔍
02/02/2017 +200 days 🔍
02/02/2017 +0 days 🔍
02/03/2017 +1 days 🔍
11/11/2022 +2107 days 🔍

Sourcesinfo

Advisory: 26
Status: Not defined
Confirmation: 🔍

CVE: CVE-2016-6234 (🔍)
GCVE (CVE): GCVE-0-2016-6234
GCVE (VulDB): GCVE-100-96500
OSVDB: - CVE-2016-6234 - Dropbox - lepton - Denial of Service Issue

See also: 🔍

Entryinfo

Created: 02/03/2017 10:02
Updated: 11/11/2022 12:42
Changes: 02/03/2017 10:02 (58), 08/10/2020 08:40 (4), 11/11/2022 12:42 (3)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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