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2.1
CVSSv2

CVE-2020-16150

Published: 02/09/2020 Updated: 27/02/2023
CVSS v2 Base Score: 2.1 | Impact Score: 2.9 | Exploitability Score: 3.9
CVSS v3 Base Score: 5.5 | Impact Score: 3.6 | Exploitability Score: 1.8
VMScore: 187
Vector: AV:L/AC:L/Au:N/C:P/I:N/A:N
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Vulnerability Summary

A Lucky 13 timing side channel in mbedtls_ssl_decrypt_buf in library/ssl_msg.c in Trusted Firmware Mbed TLS up to and including 2.23.0 allows an malicious user to recover secret key information. This affects CBC mode because of a computed time difference based on a padding length.

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arm mbed tls

fedoraproject fedora 31

fedoraproject fedora 32

fedoraproject fedora 33

debian debian linux 10.0

Vendor Advisories

Debian CVElist Bug Report Logs: mbedtls security advisories: local side channel attacks
Debian Bug report logs - #972806 mbedtls security advisories: local side channel attacks Package: src:mbedtls; Maintainer for src:mbedtls is James Cowgill <jcowgill@debianorg>; Reported by: Glenn Strauss <gs-debianorg@gluelogiccom> Date: Sat, 24 Oct 2020 05:27:02 UTC Severity: serious Tags: security, upstream Fou ...
Arch Linux Issues:
A Lucky 13 timing side channel in mbedtls_ssl_decrypt_buf in library/ssl_msgc in Trusted Firmware Mbed TLS through 2230 allows an attacker to recover secret key information This affects CBC mode because of a computed time difference based on a padding length The issue is fixed in Mbed TLS 2240, 2168 and 2717 ...

References

CWE-203https://tls.mbed.org/tech-updates/security-advisories/mbedtls-security-advisory-2020-09-1https://tls.mbed.org/tech-updates/security-advisorieshttps://lists.debian.org/debian-lts-announce/2022/12/msg00036.htmlhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5OSOFUD6UTGTDDSQRS62BPXDU52I6PUA/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IRPBHCQKZXHVKOP5O5EWE7P76AWGUXQJ/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OD3NM6GD73CTFFRBKG5G2ACXGG7QQHCC/https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=972806https://nvd.nist.govhttps://security.archlinux.org/CVE-2020-16150
CVSSv2
CVSSv2
CVSSv3
VMScore
Recommendations:
CVE-2022-48700CVE-2022-48689CVE-2024-27956CVE-2023-6363SQLNULL pointer dereferenceCVE-2023-41830CVE-2015-2051arbitrary
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