Umbraco up to 7.3.x FeedProxy.aspx.cs Page_Load url server-side request forgery
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 7.4 | $0-$5k | 0.00 |
Summary
A vulnerability was found in Umbraco up to 7.3.x. It has been rated as critical. The impacted element is the function Page_Load of the file Umbraco.Web/umbraco.presentation/umbraco/dashboard/FeedProxy.aspx.cs. This manipulation of the argument url causes server-side request forgery.
The identification of this vulnerability is CVE-2015-8813. It is possible to initiate the attack remotely. There is no exploit available.
Upgrading the affected component is advised.
Details
A vulnerability classified as critical was found in Umbraco up to 7.3.x. Affected by this vulnerability is the function Page_Load of the file Umbraco.Web/umbraco.presentation/umbraco/dashboard/FeedProxy.aspx.cs. The manipulation of the argument url with an unknown input leads to a server-side request forgery vulnerability. The CWE definition for the vulnerability is CWE-918. The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:
The Page_Load function in Umbraco.Web/umbraco.presentation/umbraco/dashboard/FeedProxy.aspx.cs in Umbraco before 7.4.0 allows remote attackers to conduct server-side request forgery (SSRF) attacks via the url parameter.
The bug was discovered 02/16/2016. The weakness was shared 03/03/2017 (oss-sec). The advisory is shared at openwall.com. This vulnerability is known as CVE-2015-8813 since 02/16/2016. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are known, but no exploit is available.
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.
The entries VDB-97490 and VDB-97491 are related to this item. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
Product
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.7VulDB Meta Temp Score: 7.6
VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 8.2
NVD Vector: 🔍
CVSSv2
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Server-side request forgeryCWE: CWE-918
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
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Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: Umbraco 7.4.0
Timeline
02/16/2016 🔍02/16/2016 🔍
03/03/2017 🔍
03/03/2017 🔍
03/04/2017 🔍
09/03/2020 🔍
Sources
Advisory: openwall.comStatus: Not defined
Confirmation: 🔍
CVE: CVE-2015-8813 (🔍)
GCVE (CVE): GCVE-0-2015-8813
GCVE (VulDB): GCVE-100-97489
OSVDB: - CVE-2015-8813 - Umbraco CMS - Server-Side Request Forgery Issue
See also: 🔍
Entry
Created: 03/04/2017 13:47Updated: 09/03/2020 16:47
Changes: 03/04/2017 13:47 (61), 09/03/2020 16:47 (2)
Complete: 🔍
Cache ID: 216::103
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
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