CVE-2013-4359

N/A Unknown

Published: September 30, 2013 Modified: April 29, 2026

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.

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References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

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