FlashCanvas up to 1.5 proxy.php Referer Header cross site scripting

HistoryDiffrelatejsonxmlCTI

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.
6.6	$0-$5k	0.00

Summaryinfo

A vulnerability labeled as critical has been found in FlashCanvas up to 1.5. This issue affects some unknown processing of the file proxy.php. Executing a manipulation as part of Referer Header can lead to cross site scripting. This vulnerability appears as CVE-2013-6880. The attack may be performed from remote. There is no available exploit. The affected component should be upgraded.

Detailsinfo

A vulnerability has been found in FlashCanvas up to 1.5 and classified as critical. This vulnerability affects an unknown part of the file proxy.php. The manipulation as part of a Referer Header 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 confidentiality, integrity, and availability. CVE summarizes:

Open redirect in proxy.php in FlashCanvas before 1.6 allows remote attackers to redirect users to arbitrary web sites and conduct cross-site scripting (XSS) attacks via the HTTP Referer header.

The bug was discovered 12/11/2013. The weakness was presented 11/22/2019. This vulnerability was named CVE-2013-6880 since 11/27/2013. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1059.007.

The vulnerability was handled as a non-public zero-day exploit for at least 2172 days. During that time the estimated underground price was around $0-$5k. By approaching the search of inurl:proxy.php it is possible to find vulnerable targets with Google Hacking.

Upgrading to version 1.6 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at OSVDB (100898†). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Name

FlashCanvas

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.7
VulDB Meta Temp Score: 6.6

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.1
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: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined
Google Hack: 🔍

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: FlashCanvas 1.6

Timelineinfo

11/27/2013 🔍
12/11/2013 +14 days 🔍
11/22/2019 +2172 days 🔍
11/23/2019 +1 days 🔍
02/26/2024 +1556 days 🔍

Sourcesinfo

Advisory: archives.neohapsis.com
Status: Not defined

CVE: CVE-2013-6880 (🔍)
GCVE (CVE): GCVE-0-2013-6880
GCVE (VulDB): GCVE-100-146128
X-Force: 89663
OSVDB: 100898

Entryinfo

Created: 11/23/2019 07:58
Updated: 02/26/2024 13:41
Changes: 11/23/2019 07:58 (41), 11/23/2019 08:03 (17), 02/26/2024 13:41 (5)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.