Inconsistent interpretation of HTTP requests in Go programming language - CVE-2015-5740

Vulnerability identifier: #VU21784

CSH Severity: Medium

CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2015-5740

CWE-ID: CWE-444

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to conduct an HTTP request smuggling attack on the target system.

The vulnerability exists due to the "net/http" library in "net/http/transfer.go" does not properly parse HTTP headers. A remote attacker can send a specially crafted HTTP request and conduct HTTP request smuggling attacks via a request with two Content-length headers.

Go programming language
Amazon Linux AMI
Fedora
Red Hat Enterprise Linux Server
Red Hat Enterprise Linux Server - TUS
Red Hat Enterprise Linux Server - AUS
Red Hat Enterprise Linux Server - Extended Update Support
go (Alpine package)
golang
golang (Red Hat package)

Install updates from vendor's website.

Go programming language - update to 1.4.3
go (Alpine package) - update to 1.4.2-r1
golang - addressed in versions 1.4.2-3.el6, 1.4.2-3.fc21, 1.4.2-3.fc22, 1.5.1-0.el6, 1.5.1-0.fc21, 1.5.1-0.fc22, 1.5-6.el6, 1.5-6.fc21, 1.5-6.fc22, 1.5-8.fc22
golang (Red Hat package) - update to 1.6.3-1.el7_2.1

• https://github.com/golang/go/commit/300d9a21583e7cf0149a778a0611e76ff7c6680f

• Multiple vulnerabilities in Go
• Inconsistent interpretation of HTTP requests in go (Alpine package)
• Amazon Linux AMI update for golang, docker
• Fedora 21 update for golang
• Fedora 22 update for golang
• Fedora EPEL 6 update for golang
• Fedora 22 update for golang
• Fedora 21 update for golang
• Fedora EPEL 6 update for golang
• Fedora 22 update for golang
• Fedora 21 update for golang
• Fedora EPEL 6 update for golang
• Fedora 22 update for golang
• Red Hat Enterprise Linux 7 update for golang