Information Exposure Affecting mbedtls package, versions *


Severity

Recommended
low

Based on Debian security rating.

Threat Intelligence

EPSS
0.06% (28th percentile)

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  • Snyk IDSNYK-DEBIAN9-MBEDTLS-609475
  • published3 Sept 2020
  • disclosed2 Sept 2020

Introduced: 2 Sep 2020

CVE-2020-16150  (opens in a new tab)
CWE-203  (opens in a new tab)

How to fix?

There is no fixed version for Debian:9 mbedtls.

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:9 relevant fixed versions and status.

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.

CVSS Base Scores

version 3.1