CVE-2019-9923
HIGHCVSS 7.5/10EPSS 3.03%
Last modified
CVE-2019-9923 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. EPSS estimates a 3.03% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Gnu | Tar | < 1.32 |
| Opensuse | Leap | 15.0 |
References
- http://git.savannah.gnu.org/cgit/tar.git/commit/?id=cb07844454d8cc9fb21f53ace75975f91185a120Mailing List, Patch, Vendor Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00077.htmlMailing List, Third Party Advisory
- http://savannah.gnu.org/bugs/?55369Permissions Required, Third Party Advisory
- https://bugs.launchpad.net/ubuntu/+source/tar/+bug/1810241Issue Tracking, Patch, Third Party Advisory
- http://git.savannah.gnu.org/cgit/tar.git/commit/?id=cb07844454d8cc9fb21f53ace75975f91185a120Mailing List, Patch, Vendor Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00077.htmlMailing List, Third Party Advisory
- http://savannah.gnu.org/bugs/?55369Permissions Required, Third Party Advisory
- https://bugs.launchpad.net/ubuntu/+source/tar/+bug/1810241Issue Tracking, Patch, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2019-9923?
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 a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 3.03% probability of exploitation in the next 30 days.
How do I fix CVE-2019-9923?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2019
- CVE-2019-9917ZNC before 1.7.3-rc1 allows an existing remote user to cause…
- CVE-2019-9918An issue was discovered in the Harmis JE Messenger component…9.1
- CVE-2019-9919An issue was discovered in the Harmis JE Messenger component…5.4
- CVE-2019-9920An issue was discovered in the Harmis JE Messenger component…8.8
- CVE-2019-9921An issue was discovered in the Harmis JE Messenger component…6.5
- CVE-2019-9922An issue was discovered in the Harmis JE Messenger component…7.5
- CVE-2019-9924rbash in Bash before 4.4-beta2 did not prevent the shell use…7.8
- CVE-2019-9925S-CMS PHP v1.0 has XSS in 4.edu.php via the S_id parameter.
- CVE-2019-9926An issue was discovered in LabKey Server 19.1.0. It is possi…8.8
- CVE-2019-9927Caret before 2019-02-22 allows Remote Code Execution.
- CVE-2019-9928GStreamer before 1.16.0 has a heap-based buffer overflow in …
- CVE-2019-9929Northern.tech CFEngine Enterprise 3.12.1 has Insecure Permis…
Are you affected by CVE-2019-9923?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST