Current Description
GNU Debugger (GDB) 8.0 and earlier fails to detect a negative length field in a DWARF section. A malformed section in an ELF binary or a core file can cause GDB to repeatedly allocate memory until a process limit is reached. This can, for example, impede efforts to analyze malware with GDB.
Source:
MITRE
Description Last Modified:
06/21/2017
View Analysis Description
Analysis Description
GNU Debugger (GDB) 8.0 and earlier fails to detect a negative length field in a DWARF section. A malformed section in an ELF binary or a core file can cause GDB to repeatedly allocate memory until a process limit is reached. This can, for example, impede efforts to analyze malware with GDB.
Source:
MITRE
Description Last Modified:
06/21/2017
Impact
CVSS v3.0 Severity and Metrics:
Base Score:
5.5 MEDIUM
Vector:
AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
(V3 legend)
Impact Score:
3.6
Exploitability Score:
1.8
Attack Vector (AV):
Local
Attack Complexity (AC):
Low
Privileges Required (PR):
None
User Interaction (UI):
Required
Scope (S):
Unchanged
Confidentiality (C):
None
Integrity (I):
None
Availability (A):
High
CVSS v2.0 Severity and Metrics:
Base Score:
4.3 MEDIUM
Vector:
(AV:N/AC:M/Au:N/C:N/I:N/A:P)
(V2 legend)
Impact Subscore:
2.9
Exploitability Subscore:
8.6
Access Vector (AV):
Network
Access Complexity (AC):
Medium
Authentication (AU):
None
Confidentiality (C):
None
Integrity (I):
None
Availability (A):
Partial
Additional Information:
Victim must voluntarily interact with attack mechanism
Allows disruption of service
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Change History
2 change records found
- show changes
Initial Analysis -
6/29/2017 2:49:45 PM
| Action |
Type |
Old Value |
New Value |
| Added |
CPE Configuration |
|
OR
*cpe:2.3:a:gnu:gdb:8.0:*:*:*:*:*:*:* (and previous) |
| Added |
CVSS V2 |
|
(AV:N/AC:M/Au:N/C:N/I:N/A:P) |
| Added |
CVSS V3 |
|
AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
| Added |
CWE |
|
CWE-399 |
| Changed |
Reference Type |
http://www.securityfocus.com/bid/99244 No Types Assigned |
http://www.securityfocus.com/bid/99244 Third Party Advisory, VDB Entry |
| Changed |
Reference Type |
https://sourceware.org/bugzilla/show_bug.cgi?id=21600 No Types Assigned |
https://sourceware.org/bugzilla/show_bug.cgi?id=21600 Issue Tracking, Third Party Advisory |
CVE Modified by MITRE -
6/26/2017 9:29:01 PM
| Action |
Type |
Old Value |
New Value |
| Added |
Reference |
|
http://www.securityfocus.com/bid/99244 [No Types Assigned] |