CVE-2019-20423
Last modified
CVE-2019-20423 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. In the Lustre file system before 2.12.3, the ptlrpc module has a buffer overflow and panic due to the lack of validation for specific fields of packets sent by a client. The function target_handle_connect() mishandles a certain size value when a client connects to a server, because of an integer signedness error.. EPSS estimates a 2.06% chance of exploitation in the next 30 days.
Description
In the Lustre file system before 2.12.3, the ptlrpc module has a buffer overflow and panic due to the lack of validation for specific fields of packets sent by a client. The function target_handle_connect() mishandles a certain size value when a client connects to a server, because of an integer signedness error.
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 |
|---|---|---|
| Lustre | Lustre | < 2.12.3 |
References
- http://lustre.org/Product, Vendor Advisory
- http://wiki.lustre.org/Lustre_2.12.3_ChangelogRelease Notes, Vendor Advisory
- https://jira.whamcloud.com/browse/LU-12605Exploit, Third Party Advisory
- https://review.whamcloud.com/#/c/35935/Third Party Advisory
- http://lustre.org/Product, Vendor Advisory
- http://wiki.lustre.org/Lustre_2.12.3_ChangelogRelease Notes, Vendor Advisory
- https://jira.whamcloud.com/browse/LU-12605Exploit, Third Party Advisory
- https://review.whamcloud.com/#/c/35935/Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2019-20423?
How severe is CVE-2019-20423?
How do I fix CVE-2019-20423?
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-2019-20416Affected versions of Atlassian Jira Server and Data Center a…4.8
- CVE-2019-20417Rejected reason: DO NOT USE THIS CANDIDATE NUMBER. ConsultID…
- CVE-2019-20418Affected versions of Atlassian Jira Server and Data Center a…6.5
- CVE-2019-20419Affected versions of Atlassian Jira Server and Data Center a…7.8
- CVE-2019-20421In Jp2Image::readMetadata() in jp2image.cpp in Exiv2 0.27.2,…7.5
- CVE-2019-20422In the Linux kernel before 5.3.4, fib6_rule_lookup in net/ip…5.5
- CVE-2019-20424In the Lustre file system before 2.12.3, mdt_object_remote i…7.5
- CVE-2019-20425In the Lustre file system before 2.12.3, the ptlrpc module h…7.5
- CVE-2019-20426In the Lustre file system before 2.12.3, the ptlrpc module h…7.5
- CVE-2019-20427In the Lustre file system before 2.12.3, the ptlrpc module h…9.8
- CVE-2019-20428In the Lustre file system before 2.12.3, the ptlrpc module h…7.5
- CVE-2019-20429In the Lustre file system before 2.12.3, the ptlrpc module h…7.5
Are you affected by CVE-2019-20423?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST