Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Python | Python | >= 3.5.0, < 3.5.10 |
| Opensuse | Leap | 15.1 |
| Debian | Debian Linux | 9.0 |
| Fedoraproject | Fedora | 31 |
| Canonical | Ubuntu Linux | 12.04 |
| Netapp | Active Iq Unified Manager | >= 9.5 |
| Netapp | Cloud Volumes Ontap Mediator | - |
| Oracle | Zfs Storage Appliance Kit | 8.8 |
Related Weaknesses (CWE)
References
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00051.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00052.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00053.htmlMailing ListThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00056.htmlMailing ListThird Party Advisory
- https://bugs.python.org/issue39017Issue TrackingVendor Advisory
- https://github.com/python/cpython/pull/21454PatchThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/08/msg00034.htmlMailing ListThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/11/msg00032.htmlMailing ListThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2023/05/msg00024.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
FAQ
What is CVE-2019-20907?
CVE-2019-20907 is a vulnerability with a CVSS score of 7.5 (HIGH). 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.
How severe is CVE-2019-20907?
CVE-2019-20907 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2019-20907?
Check the references section above for vendor advisories and patch information. Affected products include: Python Python, Opensuse Leap, Debian Debian Linux, Fedoraproject Fedora, Canonical Ubuntu Linux.