Apache Olingo up to 4.6.0 Deserialization 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.
5.1	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Apache Olingo up to 4.6.0. It has been rated as critical. This affects an unknown function of the component Deserialization. This manipulation causes xml external entity reference. This vulnerability is handled as CVE-2019-17554. It is possible to launch the attack on the local host. Additionally, an exploit exists.

Detailsinfo

A vulnerability was found in Apache Olingo up to 4.6.0. It has been declared as critical. Affected by this vulnerability is an unknown function of the component Deserialization. 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. The summary by CVE is:

The XML content type entity deserializer in Apache Olingo versions 4.0.0 to 4.6.0 is not configured to deny the resolution of external entities. Request with content type "application/xml", which trigger the deserialization of entities, can be used to trigger XXE attacks.

The weakness was released 12/04/2019. This vulnerability is known as CVE-2019-17554 since 10/14/2019. 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 are unknown but a public exploit is available.

It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept.

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

The vulnerability is also documented in the vulnerability database at Exploit-DB (47770). Entries connected to this vulnerability are available at VDB-146673 and VDB-146672. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

Apache

Name

Olingo

Version

License

open-source

Website

Vendor: https://www.apache.org/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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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: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

10/14/2019 🔍
12/04/2019 +51 days 🔍
12/05/2019 +1 days 🔍
11/29/2024 +1820 days 🔍

Sourcesinfo

Vendor: apache.org

Advisory: 155619
Status: Not defined

CVE: CVE-2019-17554 (🔍)
GCVE (CVE): GCVE-0-2019-17554
GCVE (VulDB): GCVE-100-146671
scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 12/05/2019 08:20
Updated: 11/29/2024 00:39
Changes: 12/05/2019 08:20 (36), 12/05/2019 08:25 (17), 03/07/2024 11:40 (4), 11/29/2024 00:39 (25)
Complete: 🔍
Cache ID: 216::103