Improper Check or Handling of Exceptional Conditions Affecting freeswitch package, versions [,1.10.11)


Severity

Recommended
0.0
high
0
10

CVSS assessment made by Snyk's Security Team. Learn more

Threat Intelligence

Exploit Maturity
Proof of Concept
EPSS
0.35% (57th percentile)

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  • Snyk IDSNYK-UNMANAGED-FREESWITCH-9673825
  • published28 Dec 2023
  • disclosed27 Dec 2023
  • creditsandrogauci, alfredfarrugia

Introduced: 27 Dec 2023

CVE-2023-51443  (opens in a new tab)
CWE-703  (opens in a new tab)

How to fix?

Upgrade freeswitch to version 1.10.11 or higher.

Overview

Affected versions of this package are vulnerable to Improper Check or Handling of Exceptional Conditions via the DTLS handshake process. An attacker can cause a denial of service by continuously sending a ClientHello DTLS message with an invalid CipherSuite to the server's port, leading to the teardown of media sessions and associated signaling.

References

CVSS Base Scores

version 3.1