CVE-2017-18342 Detail
Current Description
In PyYAML before 4.1, the yaml.load() API could execute arbitrary code. In other words, yaml.safe_load is not used.
Source:
MITRE
Description Last Modified:
06/27/2018
View Analysis Description
Analysis Description
In PyYAML before 4.1, the yaml.load() API could execute arbitrary code. In other words, yaml.safe_load is not used.
Source:
MITRE
Description Last Modified:
06/27/2018
Impact
CVSS v3.0 Severity and Metrics:
Base Score:
9.8 CRITICAL
Vector:
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
(V3 legend)
Impact Score:
5.9
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):
High
Integrity (I):
High
Availability (A):
High
CVSS v2.0 Severity and Metrics:
Base Score:
7.5 HIGH
Vector:
(AV:N/AC:L/Au:N/C:P/I:P/A:P)
(V2 legend)
Impact Subscore:
6.4
Exploitability Subscore:
10.0
Access Vector (AV):
Network
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
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Change History
1 change record found
- show changes
Initial Analysis -
8/21/2018 8:15:50 AM
| Action |
Type |
Old Value |
New Value |
| Added |
CPE Configuration |
|
OR
*cpe:2.3:a:pyyaml_project:pyyaml:*:*:*:*:*:*:*:* versions up to (excluding) 4.1 |
| Added |
CVSS V2 |
|
(AV:N/AC:L/Au:N/C:P/I:P/A:P) |
| Added |
CVSS V3 |
|
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| Added |
CWE |
|
CWE-20 |
| Changed |
Reference Type |
https://github.com/yaml/pyyaml/blob/master/CHANGES No Types Assigned |
https://github.com/yaml/pyyaml/blob/master/CHANGES Release Notes, Third Party Advisory |
| Changed |
Reference Type |
https://github.com/yaml/pyyaml/pull/74 No Types Assigned |
https://github.com/yaml/pyyaml/pull/74 Third Party Advisory |
Quick Info
CVE Dictionary Entry:
CVE-2017-18342
NVD Published Date:
06/27/2018
NVD Last Modified:
08/21/2018
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