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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2021.2855 CVE-2021-35940: Apache Portable Runtime (APR): Regression of CVE-2017-12613 24 August 2021 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Apache Portable Runtime (APR) Publisher: Apache Software Foundation Operating System: UNIX variants (UNIX, Linux, OSX) Windows Impact/Access: Access Confidential Data -- Existing Account Denial of Service -- Existing Account Resolution: Patch/Upgrade CVE Names: CVE-2021-35940 Original Bulletin: https://mail-archives.apache.org/mod_mbox/www-announce/202108.mbox/%3CYSN3cgWxtK8%2B%2FLWM%40redhat.com%3E - --------------------------BEGIN INCLUDED TEXT-------------------- Description: An out-of-bounds array read in the apr_time_exp*() functions was fixed in the Apache Portable Runtime 1.6.3 release (CVE-2017-12613). The fix for this issue was not carried forward to the APR 1.7.x branch, and hence version 1.7.0 regressed compared to 1.6.3 and is vulnerable to the same issue. The patch below addresses the issue: https://downloads.apache.org/apr/patches/apr-1.7.0-CVE-2021-35940.patch Credit: The Apache Portable Runtime project would like to thank Iveta Cesalova (Red Hat) for reporting this issue. References: http://svn.apache.org/viewvc?view=revision&revision=1891198 http://mail-archives.apache.org/mod_mbox/www-announce/201710.mbox/%3CCACsi251B8UaLvM-rrH9fv57-zWi0zhyF3275_jPg1a9VEVVoxw@mail.gmail.com%3E https://downloads.apache.org/apr/patches/apr-1.7.0-CVE-2021-35940.patch - --------------------------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: http://www.auscert.org.au/render.html?it=1967 iQIVAwUBYSQybONLKJtyKPYoAQhlYA/9FtLRP++z41Y4TL6WUln1xyK/rQdGX53/ 24Q4wloRogQGbRDEzYFQ/bRkLsCT+pR4GnfIIC72QPDjwZtGR8QdEaZus88FYkns bu3rHJiQ5AE07o6HrSiOc/I/i1UfU5CCLQwQbjKjm4mX+nxvxhV4EsII/e83GazD HW38h4yzpTP04HxvIxMwrDuFmGA8PqbVKHcHxnuI6qa4oSHNWNmNYI59vh2qQ/++ GsGHhoKuW9Qq9/yGXV4BZuLpIvTKODBJlK059/XIKN+XHdrutHZEDohC3KjrarkJ iQGllXo6YBb6NPwuH3Gf08NhCZkxI6wRc9cm8tzz2DJCUvofzM1Xf8n2KOWdE/Ku qmOZeU1V4R4Awg7DSyrrEoyWv8sqCp8vZYJtqgdQmMsADTH3oGcv3g6FuuYLWLFV cceTozjwbwu1RAYGDWH6Fad3/EA08iAQmZbecqniTiSDnaPHMbRKv42D8bQVZDmb viUEkg2j5hrmw08Y3Mw6VhGf5Fm5hUT+Hfk0VMfekJPm9g4ZO84gmdCD17YtDeHm pRONt7hqncH0AG5Sy4C8H+2Tyg3oFYuZsx34DdSzUe0smjm/nhMj0dfEnNjwF1Qp 4Z8YIVPRLj9h2aGmUWpoxR2lD+xdPx1bY0W9JtsjQ+4iarHOjBrQ5Visp+tJB3VG kjCz0skqw4Q= =75Ak -----END PGP SIGNATURE-----