Multiple vulnerabilities in Netty

Published: 2022-12-12

Risk	Medium
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2022-41915 CVE-2022-41881
CWE-ID	CWE-113 CWE-835
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	Netty Universal components / Libraries / Libraries used by multiple products
Vendor	Netty project

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) HTTP response splitting

EUVDB-ID: #VU70119

Risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-41915

CWE-ID: CWE-113 - Improper Neutralization of CRLF Sequences in HTTP Headers ('HTTP Response Splitting')

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform HTTP splitting attacks.

The vulnerability exists due to software does not validate header values when calling DefaultHttpHeaders.set with an iterator of values. A remote attacker can inject arbitrary header values and perform HTTP splitting attacks.

Successful exploitation of the vulnerability may allow an attacker perform cache poisoning attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Netty: 4.0.0 - 4.1.85

External links

http://github.com/netty/netty/security/advisories/GHSA-hh82-3pmq-7frp

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Infinite loop

EUVDB-ID: #VU70118

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-41881

CWE-ID: CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')