Protect yourself against future threats.
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256
===========================================================================
AUSCERT External Security Bulletin Redistribution
ESB-2022.4699
USN-5627-1: PCRE vulnerabilities
23 September 2022
===========================================================================
AusCERT Security Bulletin Summary
---------------------------------
Product: PCRE
Publisher: Ubuntu
Operating System: Ubuntu
Resolution: Patch/Upgrade
CVE Names: CVE-2022-1587 CVE-2022-1586
Original Bulletin:
https://ubuntu.com/security/notices/USN-5627-1
Comment: CVSS (Max): 9.1 CVE-2022-1587 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H)
CVSS Source: NVD
Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
- --------------------------BEGIN INCLUDED TEXT--------------------
USN-5627-1: PCRE vulnerabilities
22 September 2022
PCRE could be made to expose sensitive information.
Releases
o Ubuntu 22.04 LTS
o Ubuntu 20.04 LTS
Packages
o pcre2 - Perl 5 Compatible Regular Expression Library
Details
It was discovered that PCRE incorrectly handled memory when
handling certain regular expressions. An attacker could possibly
use this issue to cause applications using PCRE to expose
sensitive information.
Update instructions
The problem can be corrected by updating your system to the following package
versions:
Ubuntu 22.04
o libpcre2-16-0 - 10.39-3ubuntu0.1
o libpcre2-32-0 - 10.39-3ubuntu0.1
o libpcre2-posix3 - 10.39-3ubuntu0.1
o pcre2-utils - 10.39-3ubuntu0.1
o libpcre2-8-0 - 10.39-3ubuntu0.1
Ubuntu 20.04
o libpcre2-16-0 - 10.34-7ubuntu0.1
o libpcre2-32-0 - 10.34-7ubuntu0.1
o libpcre2-posix2 - 10.34-7ubuntu0.1
o pcre2-utils - 10.34-7ubuntu0.1
o libpcre2-8-0 - 10.34-7ubuntu0.1
After a standard system update you need to restart applications using PCRE,
such as the Apache HTTP server and Nginx, to make all the necessary
changes.
References
o CVE-2022-1586
o CVE-2022-1587
- --------------------------END INCLUDED TEXT--------------------
You have received this e-mail bulletin as a result of your organisation's
registration with AusCERT. The mailing list you are subscribed to is
maintained within your organisation, so if you do not wish to continue
receiving these bulletins you should contact your local IT manager. If
you do not know who that is, please send an email to auscert@auscert.org.au
and we will forward your request to the appropriate person.
NOTE: Third Party Rights
This security bulletin is provided as a service to AusCERT's members. As
AusCERT did not write the document quoted above, AusCERT has had no control
over its content. The decision to follow or act on information or advice
contained in this security bulletin is the responsibility of each user or
organisation, and should be considered in accordance with your organisation's
site policies and procedures. AusCERT takes no responsibility for consequences
which may arise from following or acting on information or advice contained in
this security bulletin.
NOTE: This is only the original release of the security bulletin. It may
not be updated when updates to the original are made. If downloading at
a later date, it is recommended that the bulletin is retrieved directly
from the author's website to ensure that the information is still current.
Contact information for the authors of the original document is included
in the Security Bulletin above. If you have any questions or need further
information, please contact them directly.
Previous advisories and external security bulletins can be retrieved from:
https://www.auscert.org.au/bulletins/
===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072
Internet Email: auscert@auscert.org.au
Facsimile: (07) 3365 7031
Telephone: (07) 3365 4417 (International: +61 7 3365 4417)
AusCERT personnel answer during Queensland business hours
which are GMT+10:00 (AEST).
On call after hours for member emergencies only.
===========================================================================
-----BEGIN PGP SIGNATURE-----
Comment: https://auscert.org.au/gpg-key/
iQIVAwUBYy01eckNZI30y1K9AQjMlg//QxntyALrpRbtSh6eKUCbInxQPJ9lUdSL
hg8ph7xnBmpNMcrQaq9L+DkxCFHDc/SHimZcII57ggw84V9wUVEtljAq9tDwokmK
mk9VQgSYXhThKRy+EcIf0nZ/x450vB1ZqL5BfaQE2GmGaJ/FkrFWtmxab9dFJgdk
sm9fwaArCWyi2oFt8KK3l3LsA6Ql8euvg8piJRWwkGP7RnbDGWnH1phZir3++QIA
l+RAeuvW5HndkWlPi3YMgFkPx+x97PME0c7YxViyLx2w1pDIIEcP3RmavW+7oYaZ
4rnc6vVz5QBFFuzYHiimu7DmplQE2iryoGN+auK0few/xyruJnxbg0AMGa0vtNkH
EAqFqjF115PRYN3Wxs6CwtouqNo9vjf9cIOitVsbgg5nyvb+YeyYLO7IZR8LlZct
lXurP8W73gI8vYe2kWtmNtBNMffKYUCoVNhizbpQQ5RJqWJEdz+Zi68VjqO1zTck
HfkpQe8Eai/qNFS+wJqt2ztqQOFwNoIvGofrqjBAZp92dxh7JrcdV9rw3AH8ctQq
uFvMlaY6r1dXy9Sqn3ZvSgm+uxqnI43gXhuky2nZdGff287EZl39/fcfSOFQN9PK
RyY6StiUA9sEF5j57j5eF41REMIAu2+qHE0fDDG1aLk2RLmcWSdsz1c9ajW9803E
mIXKZVxWWSQ=
=hEjT
-----END PGP SIGNATURE-----