CVE-2016-1000111

Description

Twisted before 16.3.1 does not attempt to address RFC 3875 section 4.1.18 namespace conflicts and therefore does not protect CGI applications from the presence of untrusted client data in the HTTP_PROXY environment variable, which might allow remote attackers to redirect a CGI application's outbound HTTP traffic to an arbitrary proxy server via a crafted Proxy header in an HTTP request, aka an "httpoxy" issue.

Category

5.3
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.58%
Vendor Advisory twistedmatrix.com Vendor Advisory twistedmatrix.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2016-3090545.html third party advisory
https://www.openwall.com/lists/oss-security/2016/07/18/6 third party advisory mailing list
https://twistedmatrix.com/trac/ticket/8623 patch vendor advisory
https://twistedmatrix.com/pipermail/twisted-web/2016-August/005268.html mailing list vendor advisory

Frequently Asked Questions

What is the severity of CVE-2016-1000111?
CVE-2016-1000111 has been scored as a medium severity vulnerability.
How to fix CVE-2016-1000111?
To fix CVE-2016-1000111, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2016-1000111 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2016-1000111 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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