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Python Loop with Unreachable Exit Condition ('Infinite Loop') Vulnerability (CVE-2019-20907) - Vulnerability Database

Python Loop with Unreachable Exit Condition ('Infinite Loop') Vulnerability (CVE-2019-20907)

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.

References

CVE-2019-20907

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Severity

High

Classification

CVE-2019-20907
CWE-835
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Tags

Missing Update
Known Vulnerabilities