Description
The net/http library in net/textproto/reader.go in Go before 1.4.3 does not properly parse HTTP header keys, which allows remote attackers to conduct HTTP request smuggling attacks via a space instead of a hyphen, as demonstrated by "Content Length" instead of "Content-Length."
References (9)
Core 9
Core References
Mailing List, Third Party Advisory mailing-list
x_refsource_mlist
http://seclists.org/oss-sec/2015/q3/292
Third Party Advisory vendor-advisory
x_refsource_fedora
http://lists.fedoraproject.org/pipermail/package-announce/2015-October/167997.html
Third Party Advisory vendor-advisory
x_refsource_fedora
http://lists.fedoraproject.org/pipermail/package-announce/2015-October/168029.html
Third Party Advisory vendor-advisory
x_refsource_redhat
http://rhn.redhat.com/errata/RHSA-2016-1538.html
Issue Tracking, Patch, Third Party Advisory x_refsource_confirm
https://bugzilla.redhat.com/show_bug.cgi?id=1250352
Mailing List, Third Party Advisory mailing-list
x_refsource_mlist
http://seclists.org/oss-sec/2015/q3/294
Mailing List, Third Party Advisory mailing-list
x_refsource_mlist
http://seclists.org/oss-sec/2015/q3/237
Third Party Advisory, VDB Entry vdb-entry
x_refsource_bid
http://www.securityfocus.com/bid/76281
Issue Tracking, Patch, Third Party Advisory x_refsource_confirm
https://github.com/golang/go/commit/117ddcb83d7f42d6aa72241240af99ded81118e9
Scores
CVSS v3
9.8
EPSS
0.0937
EPSS Percentile
94.8%
Attack Vector
NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-444
Status
published
Products (16)
fedoraproject/fedora
21
fedoraproject/fedora
22
golang/go
< 1.4.2
redhat/enterprise_linux_server
7.0
redhat/enterprise_linux_server_aus
7.2
redhat/enterprise_linux_server_aus
7.3
redhat/enterprise_linux_server_aus
7.4
redhat/enterprise_linux_server_aus
7.6
redhat/enterprise_linux_server_eus
7.2
redhat/enterprise_linux_server_eus
7.3
... and 6 more
Published
Oct 18, 2017
Tracked Since
Feb 18, 2026