Buffer for inbound DTLS fragments has no limit
CVE-2022-29189

5.3MEDIUM

Key Information:

Vendor

Pion

Status
Dtls
Vendor
CVE Published:
21 May 2022

What is CVE-2022-29189?

Pion DTLS is a Go implementation of Datagram Transport Layer Security. Prior to version 2.1.4, a buffer that was used for inbound network traffic had no upper limit. Pion DTLS would buffer all network traffic from the remote user until the handshake completes or timed out. An attacker could exploit this to cause excessive memory usage. Version 2.1.4 contains a patch for this issue. There are currently no known workarounds available.

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Deploy the Patch

Affected Version(s)

dtls < 2.1.4

References

https://github.com/pion/dtls/releases/tag/v2.1.4
x_refsource_MISC
https://github.com/pion/dtls/security/advisories/GHSA-cx9...
x_refsource_CONFIRM
https://github.com/pion/dtls/commit/a6397ff7282bc56dc37a6...
x_refsource_MISC

CVSS V3.1

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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