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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.042 (90.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 91st percentile — 90.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.042 · newest: 0.042 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/proftpd/proftpd/issues/1683 (Exploit, Patch, Issue Tracking, Vendor Advisory)
- github.com/proftpd/proftpd/issues/1683 (Exploit, Patch, Issue Tracking, Vendor Advisory)
- github.com/proftpd/proftpd/blob/1.3.8/NEWS (Release Notes)
- af854a3a-2127-422b-91ae-364da2661108
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.