5.5

CVE-2020-16150

A Lucky 13 timing side channel in mbedtls_ssl_decrypt_buf in library/ssl_msg.c in Trusted Firmware Mbed TLS through 2.23.0 allows an attacker to recover secret key information. This affects CBC mode because of a computed time difference based on a padding length.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Arm ≫ Mbed Tls Version < 2.7.17
Arm ≫ Mbed Tls Version >= 2.8.0 < 2.16.8
Arm ≫ Mbed Tls Version >= 2.17.0 < 2.24.0
Fedoraproject ≫ Fedora Version31
Fedoraproject ≫ Fedora Version32
Fedoraproject ≫ Fedora Version33
Debian ≫ Debian Linux Version10.0
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.37% 0.287
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 5.5 1.8 3.6
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
nvd@nist.gov 2.1 3.9 2.9
AV:L/AC:L/Au:N/C:P/I:N/A:N
CWE-203 Observable Discrepancy

The product behaves differently or sends different responses under different circumstances in a way that is observable to an unauthorized actor.

https://lists.debian.org/debian-lts-announce/2022/12/msg00036.html
Third Party Advisory
Mailing List
https://tls.mbed.org/tech-updates/security-advisories
Vendor Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5OSOFUD6UTGTDDSQRS62BPXDU52I6PUA/
Third Party Advisory
Mailing List
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IRPBHCQKZXHVKOP5O5EWE7P76AWGUXQJ/
Third Party Advisory
Mailing List
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OD3NM6GD73CTFFRBKG5G2ACXGG7QQHCC/
Third Party Advisory
Mailing List
https://tls.mbed.org/tech-updates/security-advisories/mbedtls-security-advisory-2020-09-1
Vendor Advisory