drucken bookmarks versenden konfigurieren admin pdf Sicherheit: Pufferüberlauf in GRUB
Name: |
Pufferüberlauf in GRUB |
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ID: |
USN-2836-1 |
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Distribution: |
Ubuntu |
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Plattformen: |
Ubuntu 12.04 LTS, Ubuntu 14.04 LTS, Ubuntu 15.04, Ubuntu 15.10 |
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Datum: |
Di, 15. Dezember 2015, 22:48 |
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Referenzen: |
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-8370 |
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Applikationen: |
GRUB |
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Originalnachricht |
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This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --AfQqDBhRlSDNtgQ1dfrLNfRDVHQMHKaw9 Content-Type: text/plain; charset=utf- Content-Transfer-Encoding: quoted-printable
========================================================================== Ubuntu Security Notice USN-2836-1 December 15, 2015
grub2 vulnerability ==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 15.10 - Ubuntu 15.04 - Ubuntu 14.04 LTS - Ubuntu 12.04 LTS
Summary:
GRUB password protection can be bypassed.
Software Description: - grub2: GRand Unified Bootloader
Details:
Hector Marco and Ismael Ripoll discovered that GRUB incorrectly handled the backspace key when configured to use authentication. A local attacker could use this issue to bypass GRUB password protection.
Update instructions:
The problem can be corrected by updating your system to the following package versions:
Ubuntu 15.10: grub2-common 2.02~beta2-29ubuntu0.2
Ubuntu 15.04: grub2-common 2.02~beta2-22ubuntu1.4
Ubuntu 14.04 LTS: grub2-common 2.02~beta2-9ubuntu1.6
Ubuntu 12.04 LTS: grub2-common 1.99-21ubuntu3.19
After a standard system update you need to reboot your computer to make all the necessary changes.
References: http://www.ubuntu.com/usn/usn-2836-1 CVE-2015-8370
Package Information: https://launchpad.net/ubuntu/+source/grub2/2.02~beta2-29ubuntu0.2 https://launchpad.net/ubuntu/+source/grub2/2.02~beta2-22ubuntu1.4 https://launchpad.net/ubuntu/+source/grub2/2.02~beta2-9ubuntu1.6 https://launchpad.net/ubuntu/+source/grub2/1.99-21ubuntu3.19
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