CVE-2013-4359

Published: Sep 30, 2013Modified: Apr 29, 2026

5.0

Vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

Exploitability: 10.0 / Impact: 2.9

Source: NVD

Description

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.

Affected (2)

Products: Proftpd: Proftpd

Proftpd

1 product

Proftpd

Configuration A

2 vulnerable

Vulnerable Software	Affected Versions
Proftpd Proftpd	Version 1.3.4 d
Proftpd Proftpd	Version 1.3.5 rc3

Related CWEs

CWE-189

References (12)

http://bugs.proftpd.org/show_bug.cgi?id=3973

Source: secalert@redhat.com

Patch

http://kingcope.wordpress.com/2013/09/11/proftpd-mod_sftpmod_sftp_pam-invalid-pool-allocation-in-kbdint-authentication/

Source: secalert@redhat.com

Exploit

http://lists.opensuse.org/opensuse-updates/2013-10/msg00032.html

Source: secalert@redhat.com

http://lists.opensuse.org/opensuse-updates/2015-06/msg00020.html

Source: secalert@redhat.com

http://www.debian.org/security/2013/dsa-2767

Source: secalert@redhat.com

http://www.openwall.com/lists/oss-security/2013/09/17/6

Source: secalert@redhat.com

Exploit

http://bugs.proftpd.org/show_bug.cgi?id=3973