JabRef up to 4.3.1 XML Parser Request xml external entity reference

CVSS Meta Temp Score
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CTI Interest Score
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8.8$0-$5k0.00

Summaryinfo

A vulnerability was found in JabRef up to 4.3.1. It has been declared as critical. Affected by this issue is some unknown functionality of the component XML Parser. Such manipulation as part of Request leads to xml external entity reference. This vulnerability is referenced as CVE-2018-1000652. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

A vulnerability was found in JabRef up to 4.3.1 and classified as critical. Affected by this issue is some unknown processing of the component XML Parser. The manipulation as part of a Request leads to a xml external entity reference vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. CVE summarizes:

JabRef version <=4.3.1 contains a XML External Entity (XXE) vulnerability in MsBibImporter XML Parser that can result in disclosure of confidential data, denial of service, server side request forgery, port scanning. This attack appear to be exploitable via Specially crafted MsBib file. This vulnerability appears to have been fixed in after commit 89f855d.

The bug was discovered 07/23/2018. The weakness was published 08/20/2018 (GitHub Repository). The advisory is shared for download at github.com. This vulnerability is handled as CVE-2018-1000652 since 08/20/2018. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 28 days. During that time the estimated underground price was around $0-$5k.

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

VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Name

Version

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.1
VulDB Meta Temp Score: 8.8

VulDB Base Score: 8.3
VulDB Temp Score: 7.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 10.0
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

07/23/2018 🔍
08/20/2018 +27 days 🔍
08/20/2018 +0 days 🔍
08/20/2018 +0 days 🔍
08/21/2018 +1 days 🔍
05/02/2023 +1715 days 🔍

Sourcesinfo

Product: github.com

Advisory: 4229
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-1000652 (🔍)
GCVE (CVE): GCVE-0-2018-1000652
GCVE (VulDB): GCVE-100-123080

Entryinfo

Created: 08/21/2018 07:27
Updated: 05/02/2023 18:32
Changes: 08/21/2018 07:27 (57), 03/17/2020 08:47 (2), 05/02/2023 18:32 (4)
Complete: 🔍
Cache ID: 216::103

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