Imagely NextGEN Gallery up to 2.1.56 on WordPress cssfile input validation

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.7	$0-$5k	0.00

Summaryinfo

A vulnerability marked as critical has been reported in Imagely NextGEN Gallery up to 2.1.56 on WordPress. The impacted element is an unknown function. This manipulation of the argument cssfile as part of HTTP POST Request causes input validation. This vulnerability is tracked as CVE-2016-6565. The attack is possible to be carried out remotely. No exploit exists. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in Imagely NextGEN Gallery up to 2.1.56 on WordPress (Photo Gallery Software). Affected by this vulnerability is an unknown code. The manipulation of the argument cssfile as part of a HTTP POST Request leads to a input validation vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

The Imagely NextGen Gallery plugin for Wordpress prior to version 2.1.57 does not properly validate user input in the cssfile parameter of a HTTP POST request, which may allow an authenticated user to read arbitrary files from the server, or execute arbitrary code on the server in some circumstances (dependent on server configuration).

The bug was discovered 11/16/2016. The weakness was disclosed 07/13/2018 by Mukhammad Khalilov as confirmed advisory (CERT.org). It is possible to read the advisory at kb.cert.org. This vulnerability is known as CVE-2016-6565 since 08/03/2016. The attack can be launched remotely. A single authentication is needed for exploitation. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability was handled as a non-public zero-day exploit for at least 604 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 2.1.57 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 94356†). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

• Photo Gallery Software

Vendor

• Imagely

Name

• NextGEN Gallery

Version

• 2.1.0
• 2.1.1
• 2.1.2
• 2.1.3
• 2.1.4
• 2.1.5
• 2.1.6
• 2.1.7
• 2.1.8
• 2.1.9
• 2.1.10
• 2.1.11
• 2.1.12
• 2.1.13
• 2.1.14
• 2.1.15
• 2.1.16
• 2.1.17
• 2.1.18
• 2.1.19
• 2.1.20
• 2.1.21
• 2.1.22
• 2.1.23
• 2.1.24
• 2.1.25
• 2.1.26
• 2.1.27
• 2.1.28
• 2.1.29
• 2.1.30
• 2.1.31
• 2.1.32
• 2.1.33
• 2.1.34
• 2.1.35
• 2.1.36
• 2.1.37
• 2.1.38
• 2.1.39
• 2.1.40
• 2.1.41
• 2.1.42
• 2.1.43
• 2.1.44
• 2.1.45
• 2.1.46
• 2.1.47
• 2.1.48
• 2.1.49
• 2.1.50
• 2.1.51
• 2.1.52
• 2.1.53
• 2.1.54
• 2.1.55
• 2.1.56

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.9
VulDB Meta Temp Score: 6.7

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: NextGEN Gallery 2.1.57

Timelineinfo

08/03/2016 🔍
11/16/2016 +105 days 🔍
11/16/2016 +0 days 🔍
07/13/2018 +603 days 🔍
07/13/2018 +0 days 🔍
07/14/2018 +1 days 🔍
12/27/2024 +2358 days 🔍

Sourcesinfo

Advisory: kb.cert.org
Researcher: Mukhammad Khalilov
Status: Confirmed

CVE: CVE-2016-6565 (🔍)
GCVE (CVE): GCVE-0-2016-6565
GCVE (VulDB): GCVE-100-121447
CERT: 🔍
SecurityFocus: 94356 - WordPress Imagely NextGen Gallery Plugin CVE-2016-6565 Local File Include Vulnerability

Entryinfo

Created: 07/14/2018 13:47
Updated: 12/27/2024 05:59
Changes: 07/14/2018 13:47 (68), 03/04/2020 21:52 (4), 12/27/2024 05:59 (17)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

Discussion

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