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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2021.0516 firejail security update 12 February 2021 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: firejail Publisher: Debian Operating System: Debian GNU/Linux Impact/Access: Root Compromise -- Existing Account Increased Privileges -- Existing Account Resolution: Patch/Upgrade CVE Names: CVE-2021-26910 Reference: ESB-2021.0463 Original Bulletin: https://www.debian.org/lts/security/2021/dla-2554 - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 - - ----------------------------------------------------------------------- Debian LTS Advisory DLA-2554-1 debian-lts@lists.debian.org https://www.debian.org/lts/security/ Utkarsh Gupta February 11, 2021 https://wiki.debian.org/LTS - - ----------------------------------------------------------------------- Package : firejail Version : 0.9.44.8-2+deb9u2 CVE ID : CVE-2021-26910 Roman Fiedler discovered a vulnerability in the OverlayFS code in firejail, a sandbox program to restrict the running environment of untrusted applications, which could result in root privilege escalation. This update disables OverlayFS support in firejail. For Debian 9 stretch, this problem has been fixed in version 0.9.44.8-2+deb9u2. We recommend that you upgrade your firejail packages. For the detailed security status of firejail please refer to its security tracker page at: https://security-tracker.debian.org/tracker/firejail Further information about Debian LTS security advisories, how to apply these updates to your system and frequently asked questions can be found at: https://wiki.debian.org/LTS - -----BEGIN PGP SIGNATURE----- iQIzBAEBCAAdFiEEbJ0QSEqa5Mw4X3xxgj6WdgbDS5YFAmAk0lYACgkQgj6WdgbD S5YuSQ//dEFgjFVddG1DfrWZH5mX5ppb8YwC5YbGHxRP0SV0Eh+JbT2mJb3p3/4L tzFZFwEeQw+yHnAQyuv6rlbqvPW+MqrR/jANfm0OARe5NsnKmLq/2Ol8hcGxFEnp nc0+ryBOHRyw2Gy9zMK8MujZHZPqpLKJQ3BANWLVwT05HeP9ZfANSjh+Dc4QzfZa UWTcvrvWnGoYdIRcesGqOpSwPkQV4J3B7EFEM3Ja/cFboRC3LdOksock078PljT/ fdxpL8BaQGNy7Sgy1hLdBYVMLfalmsgfnEGBtcWWfqIKla3b3tEHRQUfX2jXbqED cbTCpHPxQwgf5SIHtQAaAXDcv4fnh3waENpI0ZDhlY3HATEgKkhULErtiuCoG9MO EoD7Mhen8VcWgeXSUTarw6CnaKUENelYb79KXTdoovIhdoPnUKhA4m9F173+K1TS yUpAs8CbvIUkoFrvSwPGHCu/unY+wAuhdmj2K7eVj7zWUR3ziDH+NlOZ4j3udVb/ 8k30Btyx5jHoDtSSk+M0ETtKS67aOS6pQNFan4jqKM/AfJeda/Cn1aB6hRg3xmLZ ylFFhy/eEiMnABe8pIE1FSa80bZLJxCebNS2ayTyaoYogq27cn5MEfn2kWkSAjQC +wb9cs8C6ZYlUOyiATFSelU7WXqyyiF0LMAwKIOSbx82Zq1XQvY= =JT9m - -----END PGP SIGNATURE----- - --------------------------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 iQIVAwUBYCXBVONLKJtyKPYoAQh0sw//YIQcJLY7wV+zzYYJaW/kOgMKF3Av+/+P +GrL9DEhgZhV4YK8FXbQlCfkOklBDCNBRsCpgyXFtMz34XEK6KhVg0W8/tIgvD/P wVa/PeJQkGc0D7xe1E/OJR1qfxPwanJJjHlQO99ow47xF4UM85CzbSXAGj0eh7x8 hNUA4LqJRyFPl1pxf7oP/fyC+pfbz3AOdkq9uIbN6fCFB8YIk+qylUf/+sSpcFdh +04skgu6Na8RKK+10kPkFs+PWV9frrEsS0QyCdNErAGUoVBG784sRb686H0Dqow0 JWp/dMIjHb+C4RbP+n/95tbrNQcz9O8PEeCxpbYPRnhbFxfnwYzHvKQh7Ku0rbFk G75dOpSsCdE5LeAaJO8X/WquOOp469CwSbZ1Afj6ce8tLcOU7JZI6S8V5jhPm+xI XWLdAXBDDG7yz4IWHIVDHoksHX92U0+5MHnBSNP2G7XAAtWbn4G1KHSodA9fmehN 0XyqNmM6In1o75ZtLWK9hlLMGEYsIRs9K8JCb3sfov07xWIspHm7/le1Z4MX9A57 OnTWeqrithDc/lrI4DvzwLZSLgc5/Cz/spWFYgxbytiOmIesW6wHEc/PDyVeDLbJ DARK43YkxbZjqpcqtBzhBmbL9G99BDQy15R8j6on/3UBbKPhX+Y2VellGQSFydEy ajEwwXAlIwI= =DbWu -----END PGP SIGNATURE-----