CVE-2015-5739
Critical
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."
SeverityCritical
CVSS9.8
Exploit probability—
Product
Go
PublishedOct 18, 2017
First seenOct 18, 2017
How to fix
Update
- stdlib1.4.3 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| golang go | v ≤ 1.4.2 | — |
| fedoraproject fedora | 21, 22 | — |
| redhat enterprise_linux_server | 7.0 | — |
| redhat enterprise_linux_server_aus | 7.2, 7.3, 7.4, 7.6 | — |
| redhat enterprise_linux_server_eus | 7.2, 7.3, 7.4, 7.5, 7.6 | — |
| redhat enterprise_linux_server_tus | 7.2, 7.3, 7.6 | — |
| stdlibGo | v < 1.4.3 | 1.4.3 |
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