Exposure of Resource to Wrong Sphere Affecting mbedtls package, versions <2.16.9-0.1
Threat Intelligence
EPSS
0.28% (69th
percentile)
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Test your applications- Snyk ID SNYK-DEBIAN11-MBEDTLS-1569092
- published 24 Aug 2021
- disclosed 23 Aug 2021
Introduced: 23 Aug 2021
CVE-2020-36476 Open this link in a new tabHow 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.
References
- https://security-tracker.debian.org/tracker/CVE-2020-36476
- https://github.com/ARMmbed/mbedtls/releases/tag/v2.16.8
- https://github.com/ARMmbed/mbedtls/releases/tag/v2.24.0
- https://github.com/ARMmbed/mbedtls/releases/tag/v2.7.17
- https://lists.debian.org/debian-lts-announce/2021/11/msg00021.html
- https://lists.debian.org/debian-lts-announce/2022/12/msg00036.html
CVSS Scores
version 3.1