CVE-2015-5740

high-risk
Published 2017-10-18

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.

Do I need to act?

~
4.3% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.8/10 Critical
NETWORK / LOW complexity

Affected Products (16)

Go

Affected Vendors

Redhat Fedoraproject Golang

References (16)

Third Party Advisory http://lists.fedoraproject.org/pipermail/package-announce/2015-October/167997.ht...
Third Party Advisory http://lists.fedoraproject.org/pipermail/package-announce/2015-October/168029.ht...
Third Party Advisory http://rhn.redhat.com/errata/RHSA-2016-1538.html
Mailing List http://seclists.org/oss-sec/2015/q3/237
Mailing List http://seclists.org/oss-sec/2015/q3/292
Mailing List http://seclists.org/oss-sec/2015/q3/294
Issue Tracking https://bugzilla.redhat.com/show_bug.cgi?id=1250352
Issue Tracking https://github.com/golang/go/commit/300d9a21583e7cf0149a778a0611e76ff7c6680f
Third Party Advisory http://lists.fedoraproject.org/pipermail/package-announce/2015-October/167997.ht...
Third Party Advisory http://lists.fedoraproject.org/pipermail/package-announce/2015-October/168029.ht...
Third Party Advisory http://rhn.redhat.com/errata/RHSA-2016-1538.html
Mailing List http://seclists.org/oss-sec/2015/q3/237
Mailing List http://seclists.org/oss-sec/2015/q3/292
Mailing List http://seclists.org/oss-sec/2015/q3/294
Issue Tracking https://bugzilla.redhat.com/show_bug.cgi?id=1250352
Issue Tracking https://github.com/golang/go/commit/300d9a21583e7cf0149a778a0611e76ff7c6680f
57
/ 100
high-risk
Severity 32/34 · Critical
Exploitability 7/34 · Low
Exposure 18/34 · Moderate