Ausführen beliebiger Kommandos in chkrootkit
ID: | 201709-05 |
Distribution: | Gentoo |
Plattformen: | Keine Angabe |
Datum: | So, 17. September 2017, 22:57 |
Referenzen: | https://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-0476 |
Applikationen: | chkrootkit |
Originalnachricht |
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--nextPart2017088.4vqsdgChgn Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Gentoo Linux Security Advisory GLSA 201709-05 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - https://security.gentoo.org/ - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Severity: High Title: chkrootkit: Local privilege escalation Date: September 17, 2017 Bugs: #512356 ID: 201709-05 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Synopsis ======== A vulnerability in chkrootkit may allow local users to gain root privileges. Background ========== chkrootkit is a tool to locally check for signs of a rootkit. Affected packages ================= ------------------------------------------------------------------- Package / Vulnerable / Unaffected ------------------------------------------------------------------- 1 app-forensics/chkrootkit < 0.50 >= 0.50 Description =========== When /tmp is mounted without the noexec option chkrootkit will execute files in /tmp with root privileges. Impact ====== A local attacker could possibly execute arbitrary code with root privileges. Workaround ========== Users should mount /tmp with noexec option. Resolution ========== All chkrootkit users should upgrade to the latest version: # emerge --sync # emerge --ask --oneshot --verbose ">=app-forensics/chkrootkit-0.50" References ========== [ 1 ] CVE-2014-0476 https://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-0476 Availability ============ This GLSA and any updates to it are available for viewing at the Gentoo Security Website: https://security.gentoo.org/glsa/201709-05 Concerns? ========= Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users' machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org. License ======= Copyright 2017 Gentoo Foundation, Inc; referenced text belongs to its owner(s). The contents of this document are licensed under the Creative Commons - Attribution / Share Alike license. http://creativecommons.org/licenses/by-sa/2.5 --nextPart2017088.4vqsdgChgn Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part. Content-Transfer-Encoding: 7Bit -----BEGIN PGP SIGNATURE----- iQEzBAABCAAdFiEEiDRK3jyVBE/RkymqpRQw84X1dt0FAlm+mHsACgkQpRQw84X1 dt1CywgAgNJVrvVnJ7X5utWbFBIZR0+P77TBadLAWuTWurvnZRl2acDrB4kP1+fe HqodTj4GuSOcDyAwqdbVUA+YFtYp9W+sDWnjhW3tEibIPqxv8NyWflWrG45MrELg l/wlIKJDRqDGCtN/77R2ix5AxvAgpTNkT1eziyL3iHXEeS57TLHr3vl/bWLCFooq YBuT9hFZ3mWbmp6GtVoaYF4JvZPhhS/3HzoviZWINJTqEylK/WbyGubaK9kpl3ra EsyNw0Ko1puNBa/1RQDMBFnjhV5Pqa3kphfwZ+96GasVodaejbten7O4AtHR82BC j4FbbV3hipgVRqpDbuXRALP/zwWaLA== =O18b -----END PGP SIGNATURE----- --nextPart2017088.4vqsdgChgn-- |