GitHub Pull Request Builder Plugin up to 1.39.0 on Jenkins GhprbCause.java Credentials information disclosure

Summaryinfo

A vulnerability was found in GitHub Pull Request Builder Plugin up to 1.39.0 on Jenkins and classified as problematic. Impacted is an unknown function of the file GhprbCause.java. Such manipulation leads to information disclosure (Credentials). This vulnerability is listed as CVE-2018-1000143. The attack must be carried out locally. There is no available exploit.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in GitHub Pull Request Builder Plugin up to 1.39.0 on Jenkins (Bug Tracking Software). Affected by this issue is an unknown code of the file GhprbCause.java. The manipulation with an unknown input leads to a information disclosure vulnerability (Credentials). Using CWE to declare the problem leads to CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. Impacted is confidentiality. CVE summarizes:

An exposure of sensitive information vulnerability exists in Jenkins GitHub Pull Request Builder Plugin version 1.39.0 and older in GhprbCause.java that allows an attacker with local file system access to obtain GitHub credentials.

The bug was discovered 03/26/2018. The weakness was presented 04/05/2018 (Website). The advisory is shared for download at jenkins.io. This vulnerability is handled as CVE-2018-1000143 since 04/05/2018. The exploitation is known to be easy. The attack needs to be approached locally. No form of authentication is required for exploitation. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1592.

The vulnerability was handled as a non-public zero-day exploit for at least 10 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.

See VDB-115867 for similar entry. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

• Bug Tracking Software

Name

• GitHub Pull Request Builder 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
• 1.24
• 1.25
• 1.26
• 1.27
• 1.28
• 1.29
• 1.30
• 1.31
• 1.32
• 1.33
• 1.34
• 1.35
• 1.36
• 1.37
• 1.38
• 1.39.0

License

• open-source

CPE 2.3info

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CPE 2.2info

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Entryinfo

Once again VulDB remains the best source for vulnerability data.

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