CVE-2017-9763 Detail
Current 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.
Source:
MITRE
Description Last Modified:
06/19/2017
View Analysis Description
Analysis 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.
Source:
MITRE
Description Last Modified:
06/19/2017
Impact
CVSS v3.0 Severity and Metrics:
Base Score:
7.5 HIGH
Vector:
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
(V3 legend)
Impact Score:
3.6
Exploitability Score:
3.9
Attack Vector (AV):
Network
Attack Complexity (AC):
Low
Privileges Required (PR):
None
User Interaction (UI):
None
Scope (S):
Unchanged
Confidentiality (C):
None
Integrity (I):
None
Availability (A):
High
CVSS v2.0 Severity and Metrics:
Base Score:
5.0 MEDIUM
Vector:
(AV:N/AC:L/Au:N/C:N/I:N/A:P)
(V2 legend)
Impact Subscore:
2.9
Exploitability Subscore:
10.0
Access Vector (AV):
Network
Access Complexity (AC):
Low
Authentication (AU):
None
Confidentiality (C):
None
Integrity (I):
None
Availability (A):
Partial
Additional Information:
Allows disruption of service
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Change History
2 change records found
- show changes
Initial Analysis -
7/5/2017 1:54:49 PM
| Action |
Type |
Old Value |
New Value |
| Added |
CPE Configuration |
|
OR
*cpe:2.3:a:radare:radare2:1.5.0:*:*:*:*:*:*:* |
| Added |
CVSS V2 |
|
(AV:N/AC:L/Au:N/C:N/I:N/A:P) |
| Added |
CVSS V3 |
|
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| Added |
CWE |
|
CWE-119 |
| Changed |
Reference Type |
http://git.savannah.gnu.org/cgit/grub.git/commit/grub-core/fs/ext2.c?id=ac8cac1dac50daaf1c390d701cca3b55e16ee768 No Types Assigned |
http://git.savannah.gnu.org/cgit/grub.git/commit/grub-core/fs/ext2.c?id=ac8cac1dac50daaf1c390d701cca3b55e16ee768 Patch, Third Party Advisory |
| Changed |
Reference Type |
http://www.securityfocus.com/bid/99141 No Types Assigned |
http://www.securityfocus.com/bid/99141 Third Party Advisory, VDB Entry |
| Changed |
Reference Type |
https://github.com/radare/radare2/commit/65000a7fd9eea62359e6d6714f17b94a99a82edd No Types Assigned |
https://github.com/radare/radare2/commit/65000a7fd9eea62359e6d6714f17b94a99a82edd Patch, Third Party Advisory |
| Changed |
Reference Type |
https://github.com/radare/radare2/issues/7723 No Types Assigned |
https://github.com/radare/radare2/issues/7723 Patch, Third Party Advisory |
CVE Modified by MITRE -
6/21/2017 9:29:02 PM
| Action |
Type |
Old Value |
New Value |
| Added |
Reference |
|
http://www.securityfocus.com/bid/99141 [No Types Assigned] |
Quick Info
CVE Dictionary Entry:
CVE-2017-9763
NVD Published Date:
06/19/2017
NVD Last Modified:
07/05/2017
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