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ubuntuUbuntuUSN-2836-1
HistoryDec 15, 2015 - 12:00 a.m.

GRUB vulnerability

2015-12-1500:00:00
ubuntu.com
61

8.6 High

AI Score

Confidence

High

6.9 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:L/AC:M/Au:N/C:C/I:C/A:C

0.001 Low

EPSS

Percentile

43.0%

Releases

  • Ubuntu 15.10
  • Ubuntu 15.04
  • Ubuntu 14.04 ESM
  • Ubuntu 12.04

Packages

  • 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.

OSVersionArchitecturePackageVersionFilename
Ubuntu15.10noarchgrub2-common< 2.02~beta2-29ubuntu0.2UNKNOWN
Ubuntu15.10noarchgrub-common< 2.02~beta2-29ubuntu0.2UNKNOWN
Ubuntu15.10noarchgrub-common-dbgsym< 2.02~beta2-29ubuntu0.2UNKNOWN
Ubuntu15.10noarchgrub-coreboot< 2.02~beta2-29ubuntu0.2UNKNOWN
Ubuntu15.10noarchgrub-coreboot-bin< 2.02~beta2-29ubuntu0.2UNKNOWN
Ubuntu15.10noarchgrub-coreboot-dbg< 2.02~beta2-29ubuntu0.2UNKNOWN
Ubuntu15.10noarchgrub-efi< 2.02~beta2-29ubuntu0.2UNKNOWN
Ubuntu15.10noarchgrub-efi-amd64< 2.02~beta2-29ubuntu0.2UNKNOWN
Ubuntu15.10noarchgrub-efi-amd64-bin< 2.02~beta2-29ubuntu0.2UNKNOWN
Ubuntu15.10noarchgrub-efi-amd64-dbg< 2.02~beta2-29ubuntu0.2UNKNOWN
Rows per page:
1-10 of 1271

8.6 High

AI Score

Confidence

High

6.9 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:L/AC:M/Au:N/C:C/I:C/A:C

0.001 Low

EPSS

Percentile

43.0%