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.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact None

Integrity Impact None

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.00332.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
n/a n/a affected
Version Status Constraints
n/a affected —

Configuration 1 [-]

OR cpe:2.3:a:python:python:*:*:*:*:*:*:*:*
cpe:2.3:a:python:python:*:*:*:*:*:*:*:*
cpe:2.3:a:python:python:*:*:*:*:*:*:*:*
cpe:2.3:a:python:python:*:*:*:*:*:*:*:*

Configuration 2 [-]

OR cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*
cpe:2.3:o:opensuse:leap:15.2:*:*:*:*:*:*:*

Configuration 3 [-]

cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*

Configuration 4 [-]

OR cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*

Configuration 5 [-]

OR cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*

Configuration 6 [-]

OR cpe:2.3:a:netapp:active_iq_unified_manager:*:*:*:*:*:vsphere:*:*
cpe:2.3:a:netapp:cloud_volumes_ontap_mediator:-:*:*:*:*:*:*:*

Configuration 7 [-]

cpe:2.3:a:oracle:zfs_storage_appliance_kit:8.8:*:*:*:*:*:*:*
Package CPE Advisory Released Date
Red Hat Enterprise Linux 7
python-0:2.7.5-90.el7 cpe:/o:redhat:enterprise_linux:7 RHSA-2020:5009 2020-11-10T00:00:00Z
python3-0:3.6.8-18.el7 cpe:/o:redhat:enterprise_linux:7 RHSA-2020:5010 2020-11-10T00:00:00Z
Red Hat Enterprise Linux 7.4 Advanced Update Support
python-0:2.7.5-64.el7_4 cpe:/o:redhat:rhel_aus:7.4 RHSA-2021:0761 2021-03-09T00:00:00Z
Red Hat Enterprise Linux 7.4 Telco Extended Update Support
python-0:2.7.5-64.el7_4 cpe:/o:redhat:rhel_tus:7.4 RHSA-2021:0761 2021-03-09T00:00:00Z
Red Hat Enterprise Linux 7.4 Update Services for SAP Solutions
python-0:2.7.5-64.el7_4 cpe:/o:redhat:rhel_e4s:7.4 RHSA-2021:0761 2021-03-09T00:00:00Z
Red Hat Enterprise Linux 7.6 Extended Update Support
python-0:2.7.5-84.el7_6 cpe:/o:redhat:rhel_eus:7.6 RHSA-2021:0881 2021-03-16T00:00:00Z
Red Hat Enterprise Linux 7.7 Extended Update Support
python-0:2.7.5-88.el7_7 cpe:/o:redhat:rhel_eus:7.7 RHSA-2021:0528 2021-02-16T00:00:00Z
Red Hat Enterprise Linux 8
python3-0:3.6.8-31.el8 cpe:/a:redhat:enterprise_linux:8 RHSA-2020:4433 2020-11-04T00:00:00Z
python38:3.8-8030020200818121840.4190259b cpe:/a:redhat:enterprise_linux:8 RHSA-2020:4641 2020-11-04T00:00:00Z
python27:2.7-8030020200819165638.851f4228 cpe:/a:redhat:enterprise_linux:8 RHSA-2020:4654 2020-11-04T00:00:00Z
python3-0:3.6.8-31.el8 cpe:/o:redhat:enterprise_linux:8 RHSA-2020:4433 2020-11-04T00:00:00Z
Red Hat OpenShift Do
openshiftdo/odo-init-image-rhel7:1.1.3-2 cpe:/a:redhat:openshift_do:1.0::el7 RHSA-2021:0949 2021-03-22T00:00:00Z
Red Hat Software Collections for Red Hat Enterprise Linux 6
rh-python36-python-0:3.6.12-1.el6 cpe:/a:redhat:rhel_software_collections:3::el6 RHSA-2020:4285 2020-10-19T00:00:00Z
rh-python36-python-pip-0:9.0.1-5.el6 cpe:/a:redhat:rhel_software_collections:3::el6 RHSA-2020:4285 2020-10-19T00:00:00Z
rh-python36-python-virtualenv-0:15.1.0-3.el6 cpe:/a:redhat:rhel_software_collections:3::el6 RHSA-2020:4285 2020-10-19T00:00:00Z
Red Hat Software Collections for Red Hat Enterprise Linux 7
python27-python-0:2.7.18-2.el7 cpe:/a:redhat:rhel_software_collections:3::el7 RHSA-2020:4273 2020-10-20T00:00:00Z
python27-python-pip-0:8.1.2-6.el7 cpe:/a:redhat:rhel_software_collections:3::el7 RHSA-2020:4273 2020-10-20T00:00:00Z
python27-python-virtualenv-0:13.1.0-4.el7 cpe:/a:redhat:rhel_software_collections:3::el7 RHSA-2020:4273 2020-10-20T00:00:00Z
rh-python36-python-0:3.6.12-1.el7 cpe:/a:redhat:rhel_software_collections:3::el7 RHSA-2020:4285 2020-10-19T00:00:00Z
rh-python36-python-pip-0:9.0.1-5.el7 cpe:/a:redhat:rhel_software_collections:3::el7 RHSA-2020:4285 2020-10-19T00:00:00Z
rh-python36-python-virtualenv-0:15.1.0-3.el7 cpe:/a:redhat:rhel_software_collections:3::el7 RHSA-2020:4285 2020-10-19T00:00:00Z
rh-python38-python-0:3.8.6-1.el7 cpe:/a:redhat:rhel_software_collections:3::el7 RHSA-2020:4299 2020-10-20T00:00:00Z
rh-python38-python-psutil-0:5.6.4-5.el7 cpe:/a:redhat:rhel_software_collections:3::el7 RHSA-2020:4299 2020-10-20T00:00:00Z
rh-python38-python-urllib3-0:1.25.7-6.el7 cpe:/a:redhat:rhel_software_collections:3::el7 RHSA-2020:4299 2020-10-20T00:00:00Z
Red Hat Software Collections for Red Hat Enterprise Linux 7.6 EUS
python27-python-0:2.7.18-2.el7 cpe:/a:redhat:rhel_software_collections:3::el7 RHSA-2020:4273 2020-10-20T00:00:00Z
python27-python-pip-0:8.1.2-6.el7 cpe:/a:redhat:rhel_software_collections:3::el7 RHSA-2020:4273 2020-10-20T00:00:00Z
python27-python-virtualenv-0:13.1.0-4.el7 cpe:/a:redhat:rhel_software_collections:3::el7 RHSA-2020:4273 2020-10-20T00:00:00Z
rh-python36-python-0:3.6.12-1.el7 cpe:/a:redhat:rhel_software_collections:3::el7 RHSA-2020:4285 2020-10-19T00:00:00Z
rh-python36-python-pip-0:9.0.1-5.el7 cpe:/a:redhat:rhel_software_collections:3::el7 RHSA-2020:4285 2020-10-19T00:00:00Z
rh-python36-python-virtualenv-0:15.1.0-3.el7 cpe:/a:redhat:rhel_software_collections:3::el7 RHSA-2020:4285 2020-10-19T00:00:00Z
rh-python38-python-0:3.8.6-1.el7 cpe:/a:redhat:rhel_software_collections:3::el7 RHSA-2020:4299 2020-10-20T00:00:00Z
rh-python38-python-psutil-0:5.6.4-5.el7 cpe:/a:redhat:rhel_software_collections:3::el7 RHSA-2020:4299 2020-10-20T00:00:00Z
rh-python38-python-urllib3-0:1.25.7-6.el7 cpe:/a:redhat:rhel_software_collections:3::el7 RHSA-2020:4299 2020-10-20T00:00:00Z
Red Hat Software Collections for Red Hat Enterprise Linux 7.7 EUS
python27-python-0:2.7.18-2.el7 cpe:/a:redhat:rhel_software_collections:3::el7 RHSA-2020:4273 2020-10-20T00:00:00Z
python27-python-pip-0:8.1.2-6.el7 cpe:/a:redhat:rhel_software_collections:3::el7 RHSA-2020:4273 2020-10-20T00:00:00Z
python27-python-virtualenv-0:13.1.0-4.el7 cpe:/a:redhat:rhel_software_collections:3::el7 RHSA-2020:4273 2020-10-20T00:00:00Z
rh-python36-python-0:3.6.12-1.el7 cpe:/a:redhat:rhel_software_collections:3::el7 RHSA-2020:4285 2020-10-19T00:00:00Z
rh-python36-python-pip-0:9.0.1-5.el7 cpe:/a:redhat:rhel_software_collections:3::el7 RHSA-2020:4285 2020-10-19T00:00:00Z
rh-python36-python-virtualenv-0:15.1.0-3.el7 cpe:/a:redhat:rhel_software_collections:3::el7 RHSA-2020:4285 2020-10-19T00:00:00Z
rh-python38-python-0:3.8.6-1.el7 cpe:/a:redhat:rhel_software_collections:3::el7 RHSA-2020:4299 2020-10-20T00:00:00Z
rh-python38-python-psutil-0:5.6.4-5.el7 cpe:/a:redhat:rhel_software_collections:3::el7 RHSA-2020:4299 2020-10-20T00:00:00Z
rh-python38-python-urllib3-0:1.25.7-6.el7 cpe:/a:redhat:rhel_software_collections:3::el7 RHSA-2020:4299 2020-10-20T00:00:00Z

No data.

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Advisories
Source ID Title
Debian DLA Debian DLA DLA-2337-1 python2.7 security update
Debian DLA Debian DLA DLA-2456-1 python3.5 security update
Debian DLA Debian DLA DLA-3432-1 python2.7 security update
EUVD EUVD EUVD-2019-11441 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.
Ubuntu USN Ubuntu USN USN-4428-1 Python vulnerabilities
Ubuntu USN Ubuntu USN USN-4754-3 Python vulnerabilities
Ubuntu USN Ubuntu USN USN-6891-1 Python vulnerabilities
Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00051.html cve-icon cve-icon
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00052.html cve-icon cve-icon
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00053.html cve-icon cve-icon
http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00056.html cve-icon cve-icon
https://bugs.python.org/issue39017 cve-icon cve-icon
https://github.com/python/cpython/pull/21454 cve-icon cve-icon
https://lists.debian.org/debian-lts-announce/2020/08/msg00034.html cve-icon cve-icon
https://lists.debian.org/debian-lts-announce/2020/11/msg00032.html cve-icon cve-icon
https://lists.debian.org/debian-lts-announce/2023/05/msg00024.html cve-icon cve-icon
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/36XI3EEQNMHGOZEI63Y7UV6XZRELYEAU/ cve-icon cve-icon
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CAXHCY4V3LPAAJOBCJ26ISZ4NUXQXTUZ/ cve-icon cve-icon
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CNHPQGSP2YM3JAUD2VAMPXTIUQTZ2M2U/ cve-icon cve-icon
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CTUNTBJ3POHONQOTLEZC46POCIYYTAKZ/ cve-icon cve-icon
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LE4O3PNDNNOMSKHNUKZKD3NGHIFUFDPX/ cve-icon cve-icon
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NTBKKOLFFNHG6CM4ACDX4APHSD5ZX5N4/ cve-icon cve-icon
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OXI72HIHMXCQFWTULUXDG7VDA2BCYL4Y/ cve-icon cve-icon
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PDKKRXLNVXRF6VGERZSR3OMQR5D5QI6I/ cve-icon cve-icon
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TOGKLGTXZLHQQFBVCAPSUDA6DOOJFNRY/ cve-icon cve-icon
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/V3TALOUBYU2MQD4BPLRTDQUMBKGCAXUA/ cve-icon cve-icon
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/V53P2YOLEQH4J7S5QHXMKMZYFTVVMTMO/ cve-icon cve-icon
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VT4AF72TJ2XNIKCR4WEBR7URBJJ4YZRD/ cve-icon cve-icon
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YILCHHTNLH4GG4GSQBX2MZRKZBXOLCKE/ cve-icon cve-icon
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YSL3XWVDMSMKO23HR74AJQ6VEM3C2NTS/ cve-icon cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2019-20907 cve-icon
https://security.gentoo.org/glsa/202008-01 cve-icon cve-icon
https://security.netapp.com/advisory/ntap-20200731-0002/ cve-icon cve-icon
https://usn.ubuntu.com/4428-1/ cve-icon cve-icon
https://www.cve.org/CVERecord?id=CVE-2019-20907 cve-icon
https://www.oracle.com/security-alerts/cpujan2021.html cve-icon cve-icon
History

No history.

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-05T02:53:09.456Z

Reserved: 2020-07-13T00:00:00

Link: CVE-2019-20907

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2020-07-13T13:15:10.763

Modified: 2024-11-21T04:39:39.460

Link: CVE-2019-20907

cve-icon Redhat

Severity : Moderate

Publid Date: 2019-12-10T00:00:00Z

Links: CVE-2019-20907 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses