CVE-2013-4359
MEDIUM · CVSS 5.0EPSS 3.0%EU EUVD
Integer overflow in kbdint.c in mod_sftp in ProFTPD 1.3.4d and 1.3.5r3 allows remote attackers to cause a denial of service (memory consumption) via a large response count value in an authentication request, which triggers a large memory allocation.
Key facts
- CVSS score
- 5.0 (v2.0)
- Severity
- MEDIUM
- CVSS vector
AV:N/AC:L/Au:N/C:N/I:N/A:P- Weakness (CWE)
- CWE-189
- EPSS score
- 3.0% (87th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2013-4243)
- Published
- September 30, 2013
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2013-4243 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.
View on the EU Vulnerability DatabaseAffected products
- proftpd / proftpd
- proftpd / proftpd
References
- http://bugs.proftpd.org/show_bug.cgi?id=3973(Patch)
- http://kingcope.wordpress.com/2013/09/11/proftpd-mod_sftpmod_sftp_pam-invalid-pool-allocation-in-kbdint-authentication/(Exploit)
- http://lists.opensuse.org/opensuse-updates/2013-10/msg00032.html
- http://lists.opensuse.org/opensuse-updates/2015-06/msg00020.html
- http://www.debian.org/security/2013/dsa-2767
- http://www.openwall.com/lists/oss-security/2013/09/17/6(Exploit)
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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