VDB-136828 · CVE-2019-11392 · GCVE-0-2019-11392

BlogEngine.NET up to 3.3.7 apml File syndication.axd xml external entity reference

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.
7.4	$0-$5k	0.00

Summaryinfo

A vulnerability was found in BlogEngine.NET up to 3.3.7. It has been declared as critical. Affected is an unknown function of the file syndication.axd of the component apml File Handler. Executing a manipulation can lead to xml external entity reference. This vulnerability appears as CVE-2019-11392. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability classified as critical was found in BlogEngine.NET up to 3.3.7. This vulnerability affects some unknown processing of the file syndication.axd of the component apml File Handler. The manipulation with an unknown input leads to a xml external entity reference vulnerability. The CWE definition for the vulnerability is CWE-611. The product processes an XML document that can contain XML entities with URIs that resolve to documents outside of the intended sphere of control, causing the product to embed incorrect documents into its output. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

BlogEngine.NET 3.3.7 and earlier allows XXE via an apml file to syndication.axd.

The weakness was presented 06/21/2019. This vulnerability was named CVE-2019-11392 since 04/21/2019. The exploitation appears to be easy. 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.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

See VDB-136826, VDB-136825 and VDB-136824 for similar entries. Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

BlogEngine.NET

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.4
VulDB Meta Temp Score: 7.4

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

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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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: Xml external entity reference
CWE: CWE-611 / CWE-610
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

04/21/2019 🔍
06/21/2019 +61 days 🔍
06/22/2019 +1 days 🔍
10/07/2023 +1568 days 🔍

Sourcesinfo

Advisory: securitymetrics.com
Status: Not defined

CVE: CVE-2019-11392 (🔍)
GCVE (CVE): GCVE-0-2019-11392
GCVE (VulDB): GCVE-100-136828
See also: 🔍

Entryinfo

Created: 06/22/2019 07:50
Updated: 10/07/2023 14:18
Changes: 06/22/2019 07:50 (36), 06/26/2020 17:07 (17), 10/07/2023 14:18 (3)
Complete: 🔍
Cache ID: 216::103