VDB-119955 · CVE-2018-1000540 · Issue 38

LoboEvolution XML Parser XML File 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.
6.4	$0-$5k	0.00

Summaryinfo

A vulnerability has been found in LoboEvolution and classified as critical. Affected by this vulnerability is an unknown functionality of the component XML Parser. Performing a manipulation as part of XML File results in xml external entity reference. This vulnerability is known as CVE-2018-1000540. Attacking locally is a requirement. No exploit is available. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability, which was classified as critical, was found in LoboEvolution (the affected version unknown). This affects an unknown part of the component XML Parser. The manipulation as part of a XML File leads to a xml external entity reference vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

LoboEvolution version < 9b75694cedfa4825d4a2330abf2719d470c654cd contains a XML External Entity (XXE) vulnerability in XML Parsing when viewing the XML file in the browser that can result in disclosure of confidential data, denial of service, server side request forgery. This attack appear to be exploitable via Specially crafted XML file.

The bug was discovered 04/23/2018. The weakness was published 06/26/2018 (Website). It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2018-1000540 since 06/22/2018. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 64 days. During that time the estimated underground price was around $0-$5k.

Applying the patch 9b75694cedfa4825d4a2330abf2719d470c654cd is able to eliminate this problem.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Name

LoboEvolution

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.4

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
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: Partially
Local: Yes
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: Patch
Status: 🔍

0-Day Time: 🔍

Patch: 9b75694cedfa4825d4a2330abf2719d470c654cd

Timelineinfo

04/23/2018 🔍
06/22/2018 +60 days 🔍
06/26/2018 +3 days 🔍
06/26/2018 +0 days 🔍
06/27/2018 +1 days 🔍
03/29/2023 +1736 days 🔍

Sourcesinfo

Advisory: 38
Status: Not defined

CVE: CVE-2018-1000540 (🔍)
GCVE (CVE): GCVE-0-2018-1000540
GCVE (VulDB): GCVE-100-119955

Entryinfo

Created: 06/27/2018 10:05
Updated: 03/29/2023 08:07
Changes: 06/27/2018 10:05 (58), 02/22/2020 13:59 (1), 03/29/2023 08:07 (4)
Complete: 🔍
Cache ID: 216::103