www/resource.py in Buildbot before 1.8.1 allows CRLF injection in the Location header of /auth/login and /auth/logout via the redirect parameter. This affects other web sites in the same domain.

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - www/resource.py in Buildbot before 1.8.1 allows CRLF injection in the Location header of /auth/login and     /auth/logout via the redirect parameter. This affects other web sites in the same domain. (CVE-2019-7313)

Note that Nessus relies on the presence of the package as reported by the vendor.

There are packages installed that are affected by a vulnerability referenced in the following CVE:

  - www/resource.py in Buildbot before 1.8.1 allows CRLF injection in the Location header of /auth/login and
    /auth/logout via the redirect parameter. This affects other web sites in the same domain. (CVE-2019-7313)

A CRLF can be injected in Location header of /auth/login and /auth/logout This is due to lack of input validation in the buildbot redirection code.

It was not found a way to impact Buildbot product own security through this vulnerability, but it could be used to compromise other sites hosted on the same domain as Buildbot.

- cookie injection a master domain (ie if your buildbot is on buildbot.buildbot.net, one can inject a cookie on *.buildbot.net, which could impact another website hosted in your domain)

- HTTP response splitting and cache poisoning (browser or proxy) are also typical impact of this vulnerability class, but might be impractical to exploit.

Update to 1.8.1 to fix CVE-2019-7313

Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website.
Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

ID	Name	Product	Family	Severity
259645	Linux Distros Unpatched Vulnerability : CVE-2019-7313	Nessus	Misc.	medium
432713	SCA: security update for buildbot (GHSA-66x7-2r56-fj77)	Tenable Cloud Security	SCA Checks	medium
432713	SCA: security update for buildbot (GHSA-66x7-2r56-fj77)	Tenable Self-Hosted Container Security	SCA Checks	medium
124353	FreeBSD : buildbot -- CRLF injection in Buildbot login and logout redirect code (5536ea5f-6814-11e9-a8f7-0050562a4d7b)	Nessus	FreeBSD Local Security Checks	medium
122076	Fedora 28 : buildbot (2019-7eb8c71fe8)	Nessus	Fedora Local Security Checks	medium
122075	Fedora 29 : buildbot (2019-7e722314f3)	Nessus	Fedora Local Security Checks	medium

Detections

Analytics

CVE-2019-7313

medium

Tenable Plugins

medium

medium

medium

medium

medium

medium