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Servers and applications

CVE-2013-4359

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.

Severity
Medium 5.0
Published
30 Sept 2013
Last changed
16 Jun 2026
Added to UpHeron
1 Nov 2026
Exploit chance
3% in the next 30 daysHigher than 87% of CVEs. EPSS by FIRST, 12 Nov 2026
Weakness
CWE-189
Attack
Over the network · No login needed
Attacker can
Slow it down
CVSS vector
AV:N/AC:L/Au:N/C:N/I:N/A:P
Sources
NVD

Affected software

SoftwareAffected versions
ProFTPDServers and applications · cpe:a:proftpd:proftpd
  • Version 1.3.4-d
  • Version 1.3.5-rc3

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2013-4359
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2013-4359