NULL Pointer Dereference Affecting tar package, versions <2:1.26-31.24.amzn1
Threat Intelligence
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- published7 Jun 2023
- disclosed22 Mar 2019
Introduced: 22 Mar 2019
CVE-2019-9923 (opens in a new tab)How to fix?
Upgrade Amazon-Linux:2018.03 tar to version 2:1.26-31.24.amzn1 or higher.
This issue was patched in ALAS-2023-1755.
NVD Description
Note: Versions mentioned in the description apply only to the upstream tar package and not the tar package as distributed by Amazon-Linux.
See How to fix? for Amazon-Linux:2018.03 relevant fixed versions and status.
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.
References
- http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-9923
- https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b@%3Cissues.bookkeeper.apache.org%3E
- https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4@%3Cissues.bookkeeper.apache.org%3E
- http://git.savannah.gnu.org/cgit/tar.git/commit/?id=cb07844454d8cc9fb21f53ace75975f91185a120
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00077.html
- http://savannah.gnu.org/bugs/?55369
- https://bugs.launchpad.net/ubuntu/+source/tar/+bug/1810241
- https://lists.apache.org/thread.html/r58af02e294bd07f487e2c64ffc0a29b837db5600e33b6e698b9d696b%40%3Cissues.bookkeeper.apache.org%3E
- https://lists.apache.org/thread.html/rf4c02775860db415b4955778a131c2795223f61cb8c6a450893651e4%40%3Cissues.bookkeeper.apache.org%3E