Vulnerability Monitor

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CVE-2021-33197

In Go before 1.15.13 and 1.16.x before 1.16.5, some configurations of ReverseProxy (from net/http/httputil) result in a situation where an attacker is able to drop arbitrary headers.

Published

2021-08-02T19:15:08.493

Last Modified

2024-11-21T06:08:29.870

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 5.3 (MEDIUM)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:N/I:P/A:N

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: PARTIAL
Availability Impact: NONE

Exploitability Score

8.6

Impact Score

2.9

Weaknesses

Type: Primary
CWE-862

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	golang	go	< 1.15.13	Yes
Application	golang	go	< 1.16.5	Yes

References

https://groups.google.com/g/golang-announce Third Party Advisory ([email protected])
https://groups.google.com/g/golang-announce/c/RgCMkAEQjSI Exploit, Patch, Third Party Advisory ([email protected])
https://security.gentoo.org/glsa/202208-02 Third Party Advisory ([email protected])
https://groups.google.com/g/golang-announce Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://groups.google.com/g/golang-announce/c/RgCMkAEQjSI Exploit, Patch, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://security.gentoo.org/glsa/202208-02 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)