VulnerabilityModified
CVE-2019-20423
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.
HIGH 7.5EPSS 2.06%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.06%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 2.06% probability · 80th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-120
- Affected
- lustre/lustre
- Source
- cve@mitre.org
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
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.