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 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 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
Attack Vector Network Local
Attack 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 entry: 1045063 [RESOLVED / FIXED]

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Please note that this evaluation state might be work in progress, incomplete or outdated.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. The updates are grouped by state of their lifecycle. SUSE product lifecycles are documented on the lifecycle page.

Product(s) Source package State
Products under general support and receiving all security fixes.
SUSE Linux Enterprise Server 12-LTSS grub2 Ignore
Products under Long Term Service Pack support and receiving important and critical security fixes.
SUSE Linux Enterprise Server 12 SP2-BCL grub2 Already fixed
Products past their end of life and not receiving proactive updates anymore.
Magnum Orchestration 7 grub2 Already fixed
SUSE Linux Enterprise Desktop 12 grub2 Ignore
SUSE Linux Enterprise Desktop 12 SP1 grub2 Ignore
SUSE Linux Enterprise Desktop 12 SP2 grub2 Unsupported
SUSE Linux Enterprise Server 11 SP3 grub2 Affected
SUSE Linux Enterprise Server 11 SP3 LTSS grub2 Unsupported
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 11 SP4-LTSS grub2 Released
SUSE Linux Enterprise Server 12 grub2 Ignore
SUSE Linux Enterprise Server 12 SP1 grub2 Ignore
SUSE Linux Enterprise Server 12 SP1-LTSS grub2 Ignore
SUSE Linux Enterprise Server 12 SP2 grub2 Already fixed
SUSE Linux Enterprise Server 12 SP2-ESPOS grub2 Already fixed
SUSE Linux Enterprise Server 12 SP2-LTSS grub2 Already fixed
SUSE Linux Enterprise Server for Raspberry Pi 12 SP2 grub2 Already fixed
SUSE Linux Enterprise Server for SAP Applications 11 SP4 grub2 Released
SUSE Linux Enterprise Server for SAP Applications 12 SP1 grub2 Ignore
SUSE Linux Enterprise Server for SAP Applications 12 SP2 grub2 Already fixed
SUSE OpenStack Cloud 7 grub2 Already fixed


SUSE Timeline for this CVE

CVE page created: Mon Jun 19 21:20:19 2017
CVE page last modified: Fri Oct 13 19:52:12 2023