VDB-112975 · CVE-2018-6824 · GCVE-0-2018-6824

Cozy /api/proxy url cross site scripting

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.
5.2	$0-$5k	0.00

Summaryinfo

A vulnerability identified as problematic has been detected in Cozy. Impacted is an unknown function of the file /api/proxy. This manipulation of the argument url as part of Parameter causes cross site scripting. This vulnerability is registered as CVE-2018-6824. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability was found in Cozy (affected version not known). It has been declared as problematic. Affected by this vulnerability is some unknown functionality of the file /api/proxy. The manipulation of the argument url as part of a Parameter leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. As an impact it is known to affect integrity. The summary by CVE is:

Cozy has XSS allowing remote attackers to obtain administrative access via JavaScript code in the url parameter to the /api/proxy URI, as demonstrated by an XMLHttpRequest call with an 'email:"[email protected]"' request, which can be followed by a password reset.

The bug was discovered 01/16/2018. The weakness was published 02/07/2018 (Website). It is possible to read the advisory at lynxsecurity.io. This vulnerability is known as CVE-2018-6824 since 02/07/2018. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.

The vulnerability was handled as a non-public zero-day exploit for at least 22 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.

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

Productinfo

Name

Cozy

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.2
VulDB Meta Temp Score: 5.2

VulDB Base Score: 4.3
VulDB Temp Score: 4.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.1
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/16/2018 🔍
02/07/2018 +22 days 🔍
02/07/2018 +0 days 🔍
02/07/2018 +0 days 🔍
02/08/2018 +1 days 🔍
01/02/2020 +693 days 🔍

Sourcesinfo

Advisory: lynxsecurity.io
Status: Not defined

CVE: CVE-2018-6824 (🔍)
GCVE (CVE): GCVE-0-2018-6824
GCVE (VulDB): GCVE-100-112975

Entryinfo

Created: 02/08/2018 07:05
Updated: 01/02/2020 17:01
Changes: 02/08/2018 07:05 (56), 01/02/2020 17:01 (1)
Complete: 🔍
Cache ID: 216::103