CVE-2019-20907 Detail
Current Description
In Lib/tarfile.py in Python through 3.8.3, an attacker is able to craft a TAR archive leading to an infinite loop when opened by tarfile.open, because _proc_pax lacks header validation.
Analysis Description
In Lib/tarfile.py in Python through 3.8.3, an attacker is able to craft a TAR archive leading to an infinite loop when opened by tarfile.open, because _proc_pax lacks header validation.
Severity
References to Advisories, Solutions, and Tools
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Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-835 | Loop with Unreachable Exit Condition (‘Infinite Loop’) | NIST |
Change History
1 change records found show changes
Initial Analysis 7/16/2020 1:30:22 PM
| Action | Type | Old Value | New Value |
|---|---|---|---|
| Added | CPE Configuration |
OR
*cpe:2.3:a:python:python:*:*:*:*:*:*:*:* versions up to (including) 3.8.3
|
|
| Added | CVSS V2 |
NIST (AV:N/AC:L/Au:N/C:N/I:N/A:P) |
|
| Added | CVSS V3.1 |
NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
|
| Added | CWE |
NIST CWE-835 |
|
| Changed | Reference Type |
https://bugs.python.org/issue39017 No Types Assigned |
https://bugs.python.org/issue39017 Vendor Advisory |
| Changed | Reference Type |
https://github.com/python/cpython/pull/21454 No Types Assigned |
https://github.com/python/cpython/pull/21454 Patch, Third Party Advisory |
Quick Info
CVE Dictionary Entry:
CVE-2019-20907
NVD Published Date:
07/13/2020
NVD Last Modified:
07/16/2020
Source:
MITRE