CVE-2020-36476

HIGH

7.5

Description

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.

CVE Details

CVSS v3.1 Score7.5

SeverityHIGH

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published8/23/2021

Last Modified11/21/2024

Sourcenvd

Honeypot Sightings0

Affected Products

arm:mbed_tlsdebian:debian_linux

Weaknesses (CWE)

CWE-212

References

https://github.com/ARMmbed/mbedtls/releases/tag/v2.16.8(cve@mitre.org)

https://github.com/ARMmbed/mbedtls/releases/tag/v2.24.0(cve@mitre.org)

https://github.com/ARMmbed/mbedtls/releases/tag/v2.7.17(cve@mitre.org)

https://lists.debian.org/debian-lts-announce/2021/11/msg00021.html(cve@mitre.org)

https://lists.debian.org/debian-lts-announce/2022/12/msg00036.html(cve@mitre.org)

https://github.com/ARMmbed/mbedtls/releases/tag/v2.16.8(af854a3a-2127-422b-91ae-364da2661108)

https://github.com/ARMmbed/mbedtls/releases/tag/v2.24.0(af854a3a-2127-422b-91ae-364da2661108)

https://github.com/ARMmbed/mbedtls/releases/tag/v2.7.17(af854a3a-2127-422b-91ae-364da2661108)

https://lists.debian.org/debian-lts-announce/2021/11/msg00021.html(af854a3a-2127-422b-91ae-364da2661108)

https://lists.debian.org/debian-lts-announce/2022/12/msg00036.html(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

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