JUnit Plugin up to 1.23 on Jenkins XML Data xml external entity reference

Summaryinfo

A vulnerability was found in JUnit Plugin up to 1.23 on Jenkins and classified as critical. Impacted is an unknown function of the component XML Data Handler. Such manipulation leads to xml external entity reference. This vulnerability is documented as CVE-2018-1000056. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability, which was classified as critical, has been found in JUnit Plugin up to 1.23 on Jenkins (Jenkins Plugin). Affected by this issue is an unknown code of the component XML Data Handler. The manipulation with an unknown input 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:

Jenkins JUnit Plugin 1.23 and earlier processes XML external entities in files it parses as part of the build process, allowing attackers with user permissions in Jenkins to extract secrets from the Jenkins master, perform server-side request forgery, or denial-of-service attacks.

The bug was discovered 02/05/2018. The weakness was released 02/09/2018 (Website). The advisory is shared for download at jenkins.io. This vulnerability is handled as CVE-2018-1000056 since 02/05/2018. The exploitation is known to be easy. The attack may be launched remotely. A simple authentication is needed 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 4 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.

Entries connected to this vulnerability are available at VDB-113094, VDB-113095, VDB-113097 and VDB-113098. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

• Jenkins Plugin

Name

• JUnit Plugin

Version

• 1.0
• 1.1
• 1.2
• 1.3
• 1.4
• 1.5
• 1.6
• 1.7
• 1.8
• 1.9
• 1.10
• 1.11
• 1.12
• 1.13
• 1.14
• 1.15
• 1.16
• 1.17
• 1.18
• 1.19
• 1.20
• 1.21
• 1.22
• 1.23

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

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CVSSv3info

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Exploitinginfo

Threat Intelligenceinfo

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Entryinfo

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

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