Exposure of Resource to Wrong Sphere Affecting mbedtls package, versions <2.16.9-0.1


Severity

Recommended
0.0
high
0
10

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Threat Intelligence

EPSS
0.38% (73rd percentile)

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  • Snyk IDSNYK-DEBIAN11-MBEDTLS-1569092
  • published24 Aug 2021
  • disclosed23 Aug 2021

Introduced: 23 Aug 2021

CVE-2020-36476  (opens in a new tab)
CWE-668  (opens in a new tab)

How to fix?

Upgrade Debian:11 mbedtls to version 2.16.9-0.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream mbedtls package and not the mbedtls package as distributed by Debian. See How to fix? for Debian:11 relevant fixed versions and status.

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.

CVSS Scores

version 3.1