Bug 1549540 – CVE-2018-1000112 jenkins-plugin-mercurial: Disclosure of user names and node names to unauthorized users through post-commit hook URL in Mercurial Plugin (SECURITY-726)

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Bug 1549540 - (CVE-2018-1000112) CVE-2018-1000112 jenkins-plugin-mercurial: Disclosure of user names and node names to unauthorized users through post-commit hook URL in Mercurial Plugin (SECURITY-726)

Summary:	CVE-2018-1000112 jenkins-plugin-mercurial: Disclosure of user names and node ...

Status:	NEW

Aliases:	CVE-2018-1000112

Product:	Security Response
Classification:	Other
Component:	vulnerability (Show other bugs)
Sub Component:
Version:	unspecified
Hardware:	All Linux

Priority	medium Severity medium
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Assigned To:	Red Hat Product Security
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URL:
Whiteboard:	impact=moderate,public=20180226,repor...
Keywords:	Security

Depends On:	1565302
Blocks:	1549547
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Reported:	2018-02-27 07:00 EST by Adam Mariš
Modified:	2018-06-29 18:34 EDT (History)
CC List:	9 users (show)

See Also:
Fixed In Version:	jenkins-plugin-mercurial 2.3
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Description Adam Mariš 2018-02-27 07:00:43 EST

The class handling unauthenticated Mercurial post-commit hook notification requests at the /mercurial/ path unnecessarily extended another type that handled requests to the .../search/ sub-path.

This allowed submission of search queries to Jenkins, and getting a list of search results usually available to anyone with Overall/Read permission. In current Jenkins releases, those are typically the names of known users (both actual users of Jenkins, and known SCM committers) and nodes (master and agents).

External References:

https://jenkins.io/security/advisory/2018-02-26/

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