Upstream information

CVE-2017-9763 at MITRE

Description

The grub_ext2_read_block function in fs/ext2.c in GNU GRUB before 2013-11-12, as used in shlr/grub/fs/ext2.c in radare2 1.5.0, allows remote attackers to cause a denial of service (excessive stack use and application crash) via a crafted binary file, related to use of a variable-size stack array.

SUSE information

Overall state of this security issue: Running

This issue is currently rated as having moderate severity.

CVSS v2 Scores
  National Vulnerability Database SUSE
Base Score 5 3.8
Vector AV:N/AC:L/Au:N/C:N/I:N/A:P AV:L/AC:H/Au:S/C:N/I:N/A:C
Access Vector Network Local
Access Complexity Low High
Authentication None Single
Confidentiality Impact None None
Integrity Impact None None
Availability Impact Partial Complete
CVSS v3 Scores
  National Vulnerability Database SUSE
Base Score 7.5 4.1
Vector AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H
Access Vector Network Local
Access Complexity Low High
Privileges Required None High
User Interaction None None
Scope Unchanged Unchanged
Confidentiality Impact None None
Integrity Impact None None
Availability Impact High High
SUSE Bugzilla entry: 1045063 [IN_PROGRESS]

No SUSE Security Announcements cross referenced.


Status of this issue by product and package

Please note that this evaluation state might be work in progress, incomplete or outdated. Also information for service packs in the LTSS phase is only included for issues meeting the LTSS criteria. If in doubt, feel free to contact us for clarification.

Product(s) Source package State
OpenStack Cloud Magnum Orchestration 7.0 grub2 Already fixed
SUSE Linux Enterprise Desktop 12 SP2 grub2 Already fixed
SUSE Linux Enterprise Server 11 SP3 LTSS grub2 Affected
SUSE Linux Enterprise Server 11 SP4 grub2 In progress
SUSE Linux Enterprise Server 12 GA LTSS grub2 Ignore
SUSE Linux Enterprise Server 12 SP1 LTSS grub2 Ignore
SUSE Linux Enterprise Server 12 SP2 grub2 Already fixed