Out-of-bounds Read in Proftpd

CVE-2023-51713

make_ftp_cmd in main.c in ProFTPD before 1.3.8a has a one-byte out-of-bounds read, and daemon crash, because of mishandling of quote/backslash semantics.

Vulnerability class: Buffer Overflow

EPSS: 0.042 (90.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2023-51713?
CVE-2023-51713 is a high-severity vulnerability in Proftpd, classified under Out-of-bounds Read. CVSS score: 7.5/10. Published 2023-12-22.
How severe is CVE-2023-51713?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2023-51713 known to be exploited?
5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.