copy_file_range insufficient capability rights check
CVE-2023-5369

7.1HIGH

Key Information:

Vendor

FreeBSD

Status
Vendor
CVE Published:
4 October 2023

What is CVE-2023-5369?

A vulnerability in FreeBSD's copy_file_range system call allows sandboxed processes lacking the required CAP_SEEK capability to bypass restrictions. This improper privilege check enables potential unauthorized reading or writing of data at arbitrary locations in the associated file descriptor, compromising the intended security safeguards. Users are advised to apply patches available from FreeBSD's advisory to mitigate risks associated with this issue.

Affected Version(s)

FreeBSD 13.2-RELEASE

References

CVSS V3.1

Score:
7.1
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

David Chisnall
.