Before correction, the copy_file_range system call checked only for the CAP_READ and CAP_WRITE capabilities on the input and output file descriptors, respectively. Using an offset is logically equivalent to seeking, and the system call must additionally require the CAP_SEEK capability. This incorrect privilege check enabled sandboxed processes with only read or write but no seek capability on a file descriptor to read data from or write data to an arbitrary location within the file corresponding to that file descriptor.
Published 2023-10-04 04:15:15
Updated 2023-11-24 09:15:10
Source FreeBSD
View at NVD,   CVE.org

Products affected by CVE-2023-5369

Exploit prediction scoring system (EPSS) score for CVE-2023-5369

0.04%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 7 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2023-5369

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
7.1
HIGH CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
1.8
5.2
NIST

CWE ids for CVE-2023-5369

  • The product attempts to drop privileges but does not check or incorrectly checks to see if the drop succeeded.
    Assigned by:
    • nvd@nist.gov (Primary)
    • secteam@freebsd.org (Secondary)

References for CVE-2023-5369

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