Critical severity · published Oct 18, 2017
CVE-2015-5739
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…
9.8
CVSS
9.6%
EPSS
No
On KEV
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."
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)9.6% · higher than 95% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
EL
Enterprise Linux Server · Redhat
7.0 · source: NVD
EL
Enterprise Linux Server Aus · Redhat
7.2; 7.3; 7.4; 7.6 · source: NVD
EL
Enterprise Linux Server Eus · Redhat
7.2; 7.3; 7.4; 7.5; 7.6 · source: NVD
EL
Enterprise Linux Server Tus · Redhat
7.2; 7.3; 7.6 · source: NVD
FE
Fedora · Fedoraproject
21; 22 · source: NVD
GO
GO · Golang
through 1.4.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2015-5739
CVE.org
https://www.cve.org/CVERecord?id=CVE-2015-5739
Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2015-October/167997.html
Third Party Advisory
http://lists.fedoraproject.org/pipermail/package-announce/2015-October/168029.html
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
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