CVEvulnerability

CVE-2019-20907

7.5 HIGH Published 2020-07-13 Modified 2026-10-14 Official page ↗
Status
Modified
Published
2020-07-13
Last modified
2026-10-14
Assigner
[email protected]
CVSS 3.1 ([email protected])
7.5 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
5.5 MEDIUM — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0 ([email protected])
5.0 MEDIUM — AV:N/AC:L/Au:N/C:N/I:N/A:P
Weaknesses
CWE-835

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.

Affected configurations

• python python (>= 3.5.0 < 3.5.10) • python python (>= 3.6.0 < 3.6.12) • python python (>= 3.7.0 < 3.7.9) • python python (>= 3.8.0 < 3.8.5) • opensuse leap 15.1 • opensuse leap 15.2 • debian debian linux 9.0 • fedoraproject fedora 31 • fedoraproject fedora 32 • canonical ubuntu linux 12.04 • canonical ubuntu linux 14.04 • canonical ubuntu linux 16.04 • canonical ubuntu linux 18.04 • canonical ubuntu linux 20.04 • netapp active iq unified manager (>= 9.5) • netapp cloud volumes ontap mediator • oracle zfs storage appliance kit 8.8

Related

Weakness · CWE (1)

  • CWE-835 Loop with Unreachable Exit Condition weakness

References