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CVE-2022-2068

Published: 21 June 2022

In addition to the c_rehash shell command injection identified in CVE-2022-1292, further circumstances where the c_rehash script does not properly sanitise shell metacharacters to prevent command injection were found by code review. When the CVE-2022-1292 was fixed it was not discovered that there are other places in the script where the file names of certificates being hashed were possibly passed to a command executed through the shell. This script is distributed by some operating systems in a manner where it is automatically executed. On such operating systems, an attacker could execute arbitrary commands with the privileges of the script. Use of the c_rehash script is considered obsolete and should be replaced by the OpenSSL rehash command line tool. Fixed in OpenSSL 3.0.4 (Affected 3.0.0,3.0.1,3.0.2,3.0.3). Fixed in OpenSSL 1.1.1p (Affected 1.1.1-1.1.1o). Fixed in OpenSSL 1.0.2zf (Affected 1.0.2-1.0.2ze).

Notes

AuthorNote
mdeslaur
further issues similar to CVE-2022-1292

Priority

Medium

Cvss 3 Severity Score

9.8

Score breakdown

Status

Package Release Status
openssl
Launchpad, Ubuntu, Debian
upstream
Released (1.1.1p,3.0.4)
lunar Not vulnerable
(3.0.4-1ubuntu1)
bionic
Released (1.1.1-1ubuntu2.1~18.04.19)
focal
Released (1.1.1f-1ubuntu2.15)
impish
Released (1.1.1l-1ubuntu1.5)
jammy
Released (3.0.2-0ubuntu1.5)
kinetic Not vulnerable
(3.0.4-1ubuntu1)
mantic Not vulnerable
(3.0.4-1ubuntu1)
trusty Needs triage

xenial
Released (1.0.2g-1ubuntu4.20+esm5)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
openssl1.0
Launchpad, Ubuntu, Debian
trusty Does not exist

xenial Does not exist

bionic
Released (1.0.2n-1ubuntu5.10)
focal Does not exist

impish Does not exist

jammy Does not exist

lunar Does not exist

upstream Needs triage

kinetic Does not exist

mantic Does not exist

nodejs
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(uses system openssl1.0)
focal Not vulnerable
(uses system openssl1.1)
impish Not vulnerable
(uses system openssl1.1)
lunar Not vulnerable
(uses system openssl1.1)
trusty Not vulnerable
(uses system openssl)
upstream Needs triage

xenial Not vulnerable
(uses system openssl)
kinetic Not vulnerable
(uses system openssl1.1)
mantic Not vulnerable
(uses system openssl1.1)
jammy
Released (12.22.9~dfsg-1ubuntu3.1)
edk2
Launchpad, Ubuntu, Debian
xenial Needs triage

bionic Not vulnerable

focal Not vulnerable

impish Not vulnerable

jammy Not vulnerable

lunar Not vulnerable

trusty Does not exist

upstream Needs triage

kinetic Not vulnerable

mantic Not vulnerable

Severity score breakdown

Parameter Value
Base score 9.8
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H