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: Resolved

This issue is currently rated as having low 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 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS:3.0/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
CVSSv3 Version 3 3
SUSE Bugzilla entries: 1045063 [RESOLVED / FIXED], 1192833 [NEW]

SUSE Security Advisories:

List of released packages

Product(s) Fixed package version(s) References
SUSE Linux Enterprise Server 11 SP4-LTSS
  • grub2-x86_64-efi >= 2.02-0.66.26.1
  • grub2-x86_64-xen >= 2.02-0.66.26.1
Patchnames:
slessp4-grub2-14659
SUSE Linux Enterprise Server 11 SP4
SUSE Linux Enterprise Server for SAP Applications 11 SP4
  • grub2-x86_64-efi >= 2.00-0.66.8.1
  • grub2-x86_64-xen >= 2.00-0.66.8.1
Patchnames:
slessp4-grub2-13989


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Please note that this evaluation state might be work in progress, incomplete or outdated.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
Magnum Orchestration grub2 Already fixed
SUSE Linux Enterprise Desktop 12 SP2 grub2 Affected
SUSE Linux Enterprise Server 11 SP3 LTSS grub2 Affected
SUSE Linux Enterprise Server 11 SP4 grub2 Released
SUSE Linux Enterprise Server 11 SP4 LTSS grub2 Released
SUSE Linux Enterprise Server 12 LTSS grub2 Ignore
SUSE Linux Enterprise Server 12 SP1 LTSS grub2 Ignore
SUSE Linux Enterprise Server 12 SP2 grub2 Already fixed