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Red Hat Security Advisory

RHSA-2023:2932

edk2 security update

Released 2023-05-16 · Red Hat rating Important · View on Red Hat →

Fixed in

Fixes 4 records

Priority HIGH 70

There is a type confusion vulnerability relating to X.400 address processing inside an X.509 GeneralName.

CVSS 3.1HIGH 7.4 Network No auth No interaction EPSS 0.69286 Published 2023-02-08 Partial fix · 3.0.8, 1.1.1t +4 CWE-843
TI-2022-04067 CVE-2022-4450 · GHSA-v5w6-wcm8-jm4q

Double free after calling PEM_read_bio_ex

Priority MEDIUM 62

The function PEM_read_bio_ex() reads a PEM file from a BIO and parses and decodes the "name" (e.g.

CVSS 3.1HIGH 7.5 Network No auth No interaction EPSS 0.2859 Published 2023-02-08 Partial fix · 3.0.8, 1.1.1t +2 CWE-415
TI-2023-00208 CVE-2023-0215 · GHSA-r7jw-wp68-3xch

Use-after-free following BIO_new_NDEF

Priority MEDIUM 47

The public API function BIO_new_NDEF is a helper function used for streaming ASN.1 data via a BIO.

CVSS 3.1HIGH 7.5 Network No auth No interaction EPSS 0.05024 Published 2023-02-08 Partial fix · 3.0.8, 1.1.1t +3 CWE-416
TI-2022-03942 CVE-2022-4304 · GHSA-p52g-cm5j-mjv4

Timing Oracle in RSA Decryption

Priority MEDIUM 47

A timing based side channel exists in the OpenSSL RSA Decryption implementation which could be sufficient to recover a plaintext across a network in a Bleichenbacher style attack.

CVSS 3.1MEDIUM 5.9 Network No auth No interaction EPSS 0.23509 Published 2023-02-08 Partial fix · 3.0.8, 1.1.1t +3 CWE-203