VDB-97490 · CVE-2015-8814 · GCVE-0-2015-8814

Umbraco up to 7.3.x Anti-Forgery templates.asmx.cs Evasion cross-site request forgery

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.
6.2	$0-$5k	0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in Umbraco up to 7.3.x. This affects an unknown function of the file templates.asmx.cs of the component Anti-Forgery. Such manipulation leads to cross-site request forgery (Evasion). This vulnerability is referenced as CVE-2015-8814. It is possible to launch the attack remotely. No exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Umbraco up to 7.3.x. Affected by this issue is an unknown functionality of the file templates.asmx.cs of the component Anti-Forgery. The manipulation with an unknown input leads to a cross-site request forgery vulnerability (Evasion). Using CWE to declare the problem leads to CWE-352. The web application does not, or can not, sufficiently verify whether a well-formed, valid, consistent request was intentionally provided by the user who submitted the request. Impacted is integrity. CVE summarizes:

Umbraco before 7.4.0 allows remote attackers to bypass anti-forgery security measures and conduct cross-site request forgery (CSRF) attacks as demonstrated by editing user account information in the templates.asmx.cs file.

The bug was discovered 02/16/2016. The weakness was published 03/03/2017 (oss-sec). The advisory is available at openwall.com. This vulnerability is handled as CVE-2015-8814 since 02/16/2016. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit.

The vulnerability was handled as a non-public zero-day exploit for at least 381 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 7.4.0 eliminates this vulnerability.

Similar entries are available at VDB-97489 and VDB-97491. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Name

Umbraco

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.6
VulDB Meta Temp Score: 6.4

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

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

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

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

NVD Base Score: 🔍

Exploitinginfo

Name: Evasion
Class: Cross-site request forgery / Evasion
CWE: CWE-352 / CWE-862 / CWE-863
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: Umbraco 7.4.0

Timelineinfo

02/16/2016 🔍
02/16/2016 +0 days 🔍
03/03/2017 +381 days 🔍
03/03/2017 +0 days 🔍
03/04/2017 +1 days 🔍
09/03/2020 +1279 days 🔍

Sourcesinfo

Advisory: openwall.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2015-8814 (🔍)
GCVE (CVE): GCVE-0-2015-8814
GCVE (VulDB): GCVE-100-97490
OSVDB: - CVE-2015-8814 - Umbraco CMS - Cross-Site Request Forgery Issue

See also: 🔍

Entryinfo

Created: 03/04/2017 13:47
Updated: 09/03/2020 16:49
Changes: 03/04/2017 13:47 (61), 09/03/2020 16:49 (2)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.