CVE-2015-5740

Description

The net/http library in net/http/transfer.go in Go before 1.4.3 does not properly parse HTTP headers, which allows remote attackers to conduct HTTP request smuggling attacks via a request with two Content-length headers.

Category

9.8
CVSS
Severity: Critical
CVSS 3.0 •
CVSS 2.0 •
EPSS 6.04% Top 10%
Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory redhat.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://seclists.org/oss-sec/2015/q3/292 third party advisory mailing list
http://lists.fedoraproject.org/pipermail/package-announce/2015-October/167997.html third party advisory vendor advisory
http://lists.fedoraproject.org/pipermail/package-announce/2015-October/168029.html third party advisory vendor advisory
http://rhn.redhat.com/errata/RHSA-2016-1538.html third party advisory vendor advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1250352 patch third party advisory issue tracking
http://seclists.org/oss-sec/2015/q3/294 third party advisory mailing list
http://seclists.org/oss-sec/2015/q3/237 third party advisory mailing list
https://github.com/golang/go/commit/300d9a21583e7cf0149a778a0611e76ff7c6680f patch third party advisory issue tracking

Frequently Asked Questions

What is the severity of CVE-2015-5740?
CVE-2015-5740 has been scored as a critical severity vulnerability.
How to fix CVE-2015-5740?
To fix CVE-2015-5740, 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-2015-5740 being actively exploited in the wild?
It is possible that CVE-2015-5740 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~6% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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