Mbed TLS Vulnerability: Stack Buffer Over-read Affects Information Disclosure or Denial of Service
CVE-2024-30166

9.1CRITICAL

Key Information:

Vendor

Mbed TLS

Status
Mbed Tls
Vendor
CVE Published:
3 April 2024

What is CVE-2024-30166?

In Mbed TLS versions 3.3.0 through 3.5.2, a stack buffer over-read vulnerability can be exploited by a malicious client. This issue arises during communication with a TLS 1.3 server via a malformed TLS ClientHello message, potentially leading to information disclosure or a denial of service. Users of affected versions should take immediate steps to upgrade to version 3.6.0 to mitigate this risk.

References

https://mbed-tls.readthedocs.io/en/latest/tech-updates/se...
https://github.com/Mbed-TLS/mbedtls/releases/tag/v3.6.0

CVSS V3.1

Score:
9.1
Severity:
CRITICAL
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

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