CVE-2019-17263 Detail
Modified
This vulnerability has been modified since it was last analyzed by the NVD. It is awaiting reanalysis which may result in further changes to the information provided.
Current Description
** DISPUTED ** In libyal libfwsi before 20191006, libfwsi_extension_block_copy_from_byte_stream in libfwsi_extension_block.c has a heap-based buffer over-read because rejection of an unsupported size only considers values less than 6, even though values of 6 and 7 are also unsupported. NOTE: the vendor has disputed this as described in the GitHub issue.
Source:
MITRE
View Analysis Description
Analysis Description
In libyal libfwsi before 20191006, libfwsi_extension_block_copy_from_byte_stream in libfwsi_extension_block.c has a heap-based buffer over-read because rejection of an unsupported size only considers values less than 6, even though values of 6 and 7 are also unsupported.
Source:
MITRE
Impact
CVSS v3.1 Severity and Metrics:
Base Score:
3.3 LOW
Vector:
AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
(V3.1 legend)
Impact Score:
1.4
Exploitability Score:
1.8
Attack Vector (AV):
Local
Attack Complexity (AC):
Low
Privileges Required (PR):
Low
User Interaction (UI):
None
Scope (S):
Unchanged
Confidentiality (C):
None
Integrity (I):
None
Availability (A):
Low
CVSS v2.0 Severity and Metrics:
Base Score:
2.1 LOW
Vector:
(AV:L/AC:L/Au:N/C:N/I:N/A:P)
(V2 legend)
Impact Subscore:
2.9
Exploitability Subscore:
3.9
Access Vector (AV):
Local
Access Complexity (AC):
Low
Authentication (AU):
None
Confidentiality (C):
None
Integrity (I):
None
Availability (A):
Partial
Additional Information:
Allows disruption of service
References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving NIST webspace. We have provided these links to other web sites because
they may have information that would be of interest to you. No inferences should be drawn on account of other sites
being referenced, or not, from this page. There may be other web sites that are more appropriate for your purpose.
NIST does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further,
NIST does not endorse any commercial products that may be mentioned on these sites. Please address comments about
this page to nvd@nist.gov.
Change History
2 change records found
- show changes
Initial Analysis -
10/11/2019 10:42:01 AM
| Action |
Type |
Old Value |
New Value |
| Added |
CPE Configuration |
|
OR
*cpe:2.3:a:libfwsi_project:libfwsi:*:*:*:*:*:*:*:* versions up to (excluding) 20191006 |
| Added |
CVSS V2 |
|
NIST (AV:L/AC:L/Au:N/C:N/I:N/A:P) |
| Added |
CVSS V3.1 |
|
NIST AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L |
| Added |
CWE |
|
NIST CWE-125 |
| Changed |
Reference Type |
http://packetstormsecurity.com/files/154774/libyal-libfwsi-Buffer-Overread.html No Types Assigned |
http://packetstormsecurity.com/files/154774/libyal-libfwsi-Buffer-Overread.html Exploit, Third Party Advisory, VDB Entry |
| Changed |
Reference Type |
https://github.com/libyal/libfwsi/compare/20181227...20191006 No Types Assigned |
https://github.com/libyal/libfwsi/compare/20181227...20191006 Patch, Third Party Advisory |
| Changed |
Reference Type |
https://github.com/libyal/libfwsi/issues/13 No Types Assigned |
https://github.com/libyal/libfwsi/issues/13 Exploit, Third Party Advisory |
CVE Modified by MITRE -
10/8/2019 6:15:11 PM
| Action |
Type |
Old Value |
New Value |
| Added |
Reference |
|
http://packetstormsecurity.com/files/154774/libyal-libfwsi-Buffer-Overread.html [No Types Assigned] |
Quick Info
CVE Dictionary Entry:
CVE-2019-17263
NVD Published Date:
10/06/2019
NVD Last Modified:
10/14/2019
|