Vulnerability · Published Dec 22, 2023 · Assigned by mitre
CVE-2023-51713
High 7.5
In plain English
A high-severity security flaw in the proftpd-dfsg package (Debian). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 4.2% (higher than 91% of all known vulnerabilities). Ready-made attack tooling exists: Nuclei. Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)7.5High
Exploit odds (30 days)4.2%top 8.9% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack tooling1Nuclei
Official description
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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | proftpd-dfsg | 1.3.8+dfsg-4+deb12u3 | DEBIAN-CVE-2023-51713 |
| Debian:13 | proftpd-dfsg | 1.3.8.a+dfsg-1 | DEBIAN-CVE-2023-51713 |
| Debian:14 | proftpd-dfsg | 1.3.8.a+dfsg-1 | DEBIAN-CVE-2023-51713 |
| Ubuntu:22.04:LTS | proftpd-dfsg | 1.3.7c+dfsg-1ubuntu0.1 | USN-7297-1 |
| Ubuntu:22.04:LTS | proftpd-dfsg | 1.3.7c+dfsg-1ubuntu0.1 | UBUNTU-CVE-2023-51713 |
| Ubuntu:24.04:LTS | proftpd-dfsg | 1.3.8.b+dfsg-1ubuntu0.1 | USN-7297-1 |