CVE-2017-7794 Detail
Current Description
On Linux systems, if the content process is compromised, the sandbox broker will allow files to be truncated even though the sandbox explicitly only has read access to the local file system and no write permissions. Note: This attack only affects the Linux operating system. Other operating systems are not affected. This vulnerability affects Firefox < 55.
Source:
MITRE
Description Last Modified:
06/11/2018
View Analysis Description
Analysis Description
On Linux systems, if the content process is compromised, the sandbox broker will allow files to be truncated even though the sandbox explicitly only has read access to the local file system and no write permissions. Note: This attack only affects the Linux operating system. Other operating systems are not affected. This vulnerability affects Firefox < 55.
Source:
MITRE
Description Last Modified:
06/11/2018
Impact
CVSS v3.0 Severity and Metrics:
Base Score:
7.8 HIGH
Vector:
AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
(V3 legend)
Impact Score:
5.9
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):
High
Integrity (I):
High
Availability (A):
High
CVSS v2.0 Severity and Metrics:
Base Score:
4.6 MEDIUM
Vector:
(AV:L/AC:L/Au:N/C:P/I:P/A:P)
(V2 legend)
Impact Subscore:
6.4
Exploitability Subscore:
3.9
Access Vector (AV):
Local
Access Complexity (AC):
Insufficient_Info
Authentication (AU):
None
Confidentiality (C):
Partial
Integrity (I):
Partial
Availability (A):
Partial
Additional Information:
Allows unauthorized disclosure of information
Allows unauthorized modification
Allows disruption of service
References to Advisories, Solutions, and Tools
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Technical Details
Vulnerability Type
(View All)
- Permissions, Privileges, and Access Control (CWE-264)
Change History
2 change records found
- show changes
Initial Analysis -
8/9/2018 10:00:24 AM
| Action |
Type |
Old Value |
New Value |
| Added |
CPE Configuration |
|
AND
OR
*cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* versions up to (excluding) 55.0
OR
cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* |
| Added |
CVSS V2 |
|
(AV:L/AC:L/Au:N/C:P/I:P/A:P) |
| Added |
CVSS V3 |
|
AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| Added |
CWE |
|
CWE-264 |
| Changed |
Reference Type |
http://www.securitytracker.com/id/1039124 No Types Assigned |
http://www.securitytracker.com/id/1039124 Third Party Advisory, VDB Entry |
| Changed |
Reference Type |
https://bugzilla.mozilla.org/show_bug.cgi?id=1374281 No Types Assigned |
https://bugzilla.mozilla.org/show_bug.cgi?id=1374281 Exploit, Issue Tracking, Vendor Advisory |
| Changed |
Reference Type |
https://www.mozilla.org/security/advisories/mfsa2017-18/ No Types Assigned |
https://www.mozilla.org/security/advisories/mfsa2017-18/ Vendor Advisory |
CVE Modified by MITRE -
6/12/2018 9:29:12 PM
| Action |
Type |
Old Value |
New Value |
| Added |
Reference |
|
http://www.securitytracker.com/id/1039124 [No Types Assigned] |
Quick Info
CVE Dictionary Entry:
CVE-2017-7794
NVD Published Date:
06/11/2018
NVD Last Modified:
08/09/2018
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