What is the CVSS score of CVE-2022-41881?

CVE-2022-41881 has a CVSS 3.1 base score of 7.5 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H. EPSS exploitation probability: 1.5%.

Is there a public PoC exploit available for CVE-2022-41881?

Yes, a public proof-of-concept exploit is available for CVE-2022-41881. Prioritise patching immediately. EPSS: 1.5%.

Is there a patch available for CVE-2022-41881?

Yes, a patch is available for CVE-2022-41881. Update the affected software to the latest version immediately.

Netty CVE-2022-41881

HIGH

Uncontrolled Recursion (CWE-674)

2022-12-12 security-advisories@github.com

Buffer Overflow Netty Debian Linux

7.5

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

7.5 HIGH

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Lifecycle Timeline

CVE Published

Dec 12, 2022 - 18:15 nvd

HIGH 7.5

Blast Radius

ecosystem impact

† from your stack dependencies † transitive graph · vuln.today resolves 4-path depth

2,175 maven packages depend on io.netty:netty-codec-haproxy (13 direct, 2,162 indirect)

Ecosystem-wide dependent count for version 4.1.86.Final.

DescriptionNVD

Netty project is an event-driven asynchronous network application framework. In versions prior to 4.1.86.Final, a StackOverflowError can be raised when parsing a malformed crafted message due to an infinite recursion. This issue is patched in version 4.1.86.Final. There is no workaround, except using a custom HaProxyMessageDecoder.

AnalysisAI

Netty project is an event-driven asynchronous network application framework. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-674. Netty project is an event-driven asynchronous network application framework. In versions prior to 4.1.86.Final, a StackOverflowError can be raised when parsing a malformed crafted message due to an infinite recursion. This issue is patched in version 4.1.86.Final. There is no workaround, except using a custom HaProxyMessageDecoder. Affected products include: Netty, Debian Debian Linux. Version information: prior to 4.1.86..

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.