Vulnerability Description
pax_decode_header in sparse.c in GNU Tar before 1.32 had a NULL pointer dereference when parsing certain archives that have malformed extended headers.
CVSS Score
7.5
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Gnu | Tar | < 1.32 |
| Opensuse | Leap | 15.0 |
Related Weaknesses (CWE)
References
- http://git.savannah.gnu.org/cgit/tar.git/commit/?id=cb07844454d8cc9fb21f53ace759Mailing ListPatchVendor Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00077.htmlMailing ListThird Party Advisory
- http://savannah.gnu.org/bugs/?55369Permissions RequiredThird Party Advisory
- https://bugs.launchpad.net/ubuntu/+source/tar/+bug/1810241Issue TrackingPatchThird Party Advisory
- https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e3
- https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8
- http://git.savannah.gnu.org/cgit/tar.git/commit/?id=cb07844454d8cc9fb21f53ace759Mailing ListPatchVendor Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00077.htmlMailing ListThird Party Advisory
- http://savannah.gnu.org/bugs/?55369Permissions RequiredThird Party Advisory
- https://bugs.launchpad.net/ubuntu/+source/tar/+bug/1810241Issue TrackingPatchThird Party Advisory
- https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e3
- https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8
FAQ
What is CVE-2019-9923?
CVE-2019-9923 is a vulnerability with a CVSS score of 7.5 (HIGH). pax_decode_header in sparse.c in GNU Tar before 1.32 had a NULL pointer dereference when parsing certain archives that have malformed extended headers.
How severe is CVE-2019-9923?
CVE-2019-9923 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-2019-9923?
Check the references section above for vendor advisories and patch information. Affected products include: Gnu Tar, Opensuse Leap.