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Out of bounds read in server hello

Moderate
daenney published GHSA-hxp2-xqf3-v83h Feb 5, 2023

Package

gomod github.com/pion/dtls (Go)

Affected versions

<2.2.4

Patched versions

2.2.4

Description

Impact

When attempting to unmarshal a Server Hello request we could attempt to unmarshal into a buffer that was too small. This could result in a panic leading the program to crash.

This issue could be abused to cause a denial of service.

Workaround

None, upgrade to >2.2.3

Severity

Moderate
5.9
/ 10

CVSS base metrics

Attack vector
Network
Attack complexity
High
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

CVE ID

No known CVE

Weaknesses

No CWEs