Vulnerability Monitor

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CVE-2020-36476

An issue was discovered in Mbed TLS before 2.24.0 (and before 2.16.8 LTS and before 2.7.17 LTS). There is missing zeroization of plaintext buffers in mbedtls_ssl_read to erase unused application data from memory.

Published

2021-08-23T02:15:06.987

Last Modified

2024-11-21T05:29:37.843

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.5 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:P/A:N

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: NONE
  • Integrity Impact: PARTIAL
  • Availability Impact: NONE
Exploitability Score

10.0

Impact Score

2.9

Weaknesses
  • Type: Primary
    CWE-212
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application arm mbed_tls < 2.7.17 Yes
Application arm mbed_tls < 2.16.8 Yes
Application arm mbed_tls < 2.24.0 Yes
Operating System debian debian_linux 9.0 Yes
Operating System debian debian_linux 10.0 Yes
References