CVE-2020-16150

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Summary

CVECVE-2020-16150
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2020-09-02 16:15:00 UTC
Updated2023-02-27 18:03:00 UTC
DescriptionA 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.

Risk And Classification

Problem Types: CWE-203

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Arm Mbed Tls All All All All
Application Arm Mbed Tls All All All All
Operating System Debian Debian Linux 10.0 All All All
Operating System Fedoraproject Fedora 31 All All All
Operating System Fedoraproject Fedora 32 All All All
Operating System Fedoraproject Fedora 33 All All All

References

ReferenceSourceLinkTags
Local side channel attack on classical CBC decryption in (D)TLS - Tech Updates - Mbed TLS (Previously PolarSSL) CONFIRM tls.mbed.org Vendor Advisory
[SECURITY] Fedora 31 Update: mbedtls-2.16.8-1.fc31 - package-announce - Fedora Mailing-Lists FEDORA lists.fedoraproject.org
[SECURITY] Fedora 32 Update: mbedtls-2.16.8-1.fc32 - package-announce - Fedora Mailing-Lists FEDORA lists.fedoraproject.org
[SECURITY] Fedora 31 Update: mbedtls-2.16.8-1.fc31 - package-announce - Fedora Mailing-Lists MISC lists.fedoraproject.org
[SECURITY] Fedora 32 Update: mbedtls-2.16.8-1.fc32 - package-announce - Fedora Mailing-Lists MISC lists.fedoraproject.org
[SECURITY] Fedora 33 Update: mbedtls-2.16.8-1.fc33 - package-announce - Fedora Mailing-Lists FEDORA lists.fedoraproject.org
Security Advisories - Tech Updates - mbed TLS (Previously PolarSSL) MISC tls.mbed.org Vendor Advisory
[SECURITY] [DLA 3249-1] mbedtls security update MLIST lists.debian.org
[SECURITY] Fedora 33 Update: mbedtls-2.16.8-1.fc33 - package-announce - Fedora Mailing-Lists MISC lists.fedoraproject.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 181446 Debian Security Update for mbedtls (DLA 3249-1)
  • 500398 Alpine Linux Security Update for mbedtls
  • 504156 Alpine Linux Security Update for mbedtls
  • 690500 Free Berkeley Software Distribution (FreeBSD) Security Update for mbed Transport Layer Security (TLS) (4c69240f-f02c-11ea-838a-0011d823eebd)
  • 710702 Gentoo Linux Mbed Transport Layer Security (TLS) Multiple Vulnerabilities (GLSA 202301-08)
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