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CVE-2023-0217

Published: 7 February 2023

An invalid pointer dereference on read can be triggered when an application tries to check a malformed DSA public key by the EVP_PKEY_public_check() function. This will most likely lead to an application crash. This function can be called on public keys supplied from untrusted sources which could allow an attacker to cause a denial of service attack. The TLS implementation in OpenSSL does not call this function but applications might call the function if there are additional security requirements imposed by standards such as FIPS 140-3.

Notes

AuthorNote
mdeslaur
3.x only

Priority

Medium

Cvss 3 Severity Score

7.5

Score breakdown

Status

Package Release Status
edk2
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(code not present)
focal Not vulnerable
(code not present)
jammy Not vulnerable
(code not present)
trusty Ignored
(end of standard support)
upstream Needs triage

kinetic Not vulnerable
(code not present)
xenial Not vulnerable
(code not present)
lunar Not vulnerable
(code not present)
mantic Not vulnerable
(code not present)
nodejs
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(uses system openssl1.0)
focal Not vulnerable
(uses system openssl)
kinetic Not vulnerable
(uses system openssl)
trusty Not vulnerable
(uses system openssl)
upstream Needs triage

lunar Not vulnerable
(uses system openssl)
mantic Not vulnerable
(uses system openssl)
jammy Not vulnerable
(code not present)
xenial Not vulnerable
(code not present)
openssl
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(3.x only)
focal Not vulnerable
(3.x only)
lunar
Released (3.0.8-1ubuntu1)
trusty Not vulnerable
(3.x only)
upstream
Released (3.0.8)
xenial Not vulnerable
(3.x only)
jammy
Released (3.0.2-0ubuntu1.8)
kinetic
Released (3.0.5-2ubuntu2.1)
mantic
Released (3.0.8-1ubuntu1)
openssl1.0
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(3.x only)
focal Does not exist

jammy Does not exist

kinetic Does not exist

trusty Does not exist

upstream Needs triage

xenial Does not exist

Severity score breakdown

Parameter Value
Base score 7.5
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H