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Bug 1561287 - (CVE-2018-8718) CVE-2018-8718 jenkins-plugin-mailer: Missing permissions check in Mailer.java:doSendTestMail() allows unauthorised users to send mail
CVE-2018-8718 jenkins-plugin-mailer: Missing permissions check in Mailer.java...
Status: NEW
Product: Security Response
Classification: Other
Component: vulnerability (Show other bugs)
unspecified
All Linux
medium Severity medium
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Assigned To: Red Hat Product Security
impact=moderate,public=20180326,repor...
: Security
Depends On: 1561288 1565297
Blocks: 1561289
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Reported: 2018-03-27 23:47 EDT by Sam Fowler
Modified: 2018-06-29 18:35 EDT (History)
11 users (show)

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Description Sam Fowler 2018-03-27 23:47:02 EDT 
The Jenkins Mailer Plugin through version 1.20 is missing a permissions check in the Mailer.java:doSendTestMail() function. Users with Overall/Read access are able to connect to a user-specified mail server with user-specified credentials to send a test email to a user-specified email address. The email subject and body could not be changed. This could result in DoS if, for example, specifying a valid mail server but invalid credentials.

As the same URL did not require POST to be used, it also was vulnerable to cross-site request forgery.


Upstream Advisory:

https://jenkins.io/security/advisory/2018-03-26/


Upstream Patch:

https://github.com/jenkinsci/mailer-plugin/commit/98e79cf904769907f83894e29f50ed6b3e7eb135
Comment 1 Sam Fowler 2018-03-27 23:47:37 EDT 
Created jenkins-mailer-plugin tracking bugs for this issue:

Affects: fedora-all [bug 1561288]
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