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CVE-2023-29406

Insufficient sanitization of Host header in net/http

Published: Jul 11, 2023Updated: Nov 21, 2024 Sources: CVE List NVD BDU csafCWE-436
6.5MEDIUM
NVD MITRE
EPSS Score
1.3%
Top 34.3%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
OpenVAS

Description

The HTTP/1 client does not fully validate the contents of the Host header. A maliciously crafted Host header can inject additional headers or entire requests. With fix, the HTTP/1 client now refuses to send requests containing an invalid Request.Host or Request.URL.Host value.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:RS:UC:NI:HA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:RUser Interaction
Required
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:HIntegrity
High
A:NAvailability
None
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Weaknesses

CWE-436

Affected Products

Go standard library
oss-project·USaka crypto/x509, golang standard library, html/template, net/http
net/httpLibraryLibrary
OSS Libraries / generic-library
golang
oss-project·US
go
OSS Libraries
ООО «Ред Софт»
commercial·RUaka red soft
РЕД ОСOn-premOS
Operating Systems / linux-distro
The Go Project
oss-projectaka golang-google-protobuf, go, crypto
Go
OSS Libraries

Exploitability

Official Patch Available
Is your org exposed to CVE-2023-29406?We can run the check for you — a free external exposure review, no install. Check my exposure

References

https://go.dev/issue/60374
go.dev
https://go.dev/cl/506996
go.dev
https://groups.google.com/g/golang-announce/c/2q13H6LEEx0
groups.google.com
and 20 more references View all →
News mentions
Could not load news mentions.

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