CVE-2013-4359

Public Exploit

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.

Category

5.0
CVSS
Severity: Medium
CVSS 2.0 •
EPSS 2.13% Top 20%
Vendor Advisory debian.org Vendor Advisory opensuse.org Vendor Advisory opensuse.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://kingcope.wordpress.com/2013/09/11/proftpd-mod_sftpmod_sftp_pam-invalid-pool-allocation-in-kbdint-authentication/ exploit
http://www.openwall.com/lists/oss-security/2013/09/17/6 exploit mailing list
http://www.debian.org/security/2013/dsa-2767 vendor advisory
http://lists.opensuse.org/opensuse-updates/2015-06/msg00020.html vendor advisory
http://lists.opensuse.org/opensuse-updates/2013-10/msg00032.html vendor advisory
http://bugs.proftpd.org/show_bug.cgi?id=3973 patch

Frequently Asked Questions

What is the severity of CVE-2013-4359?
CVE-2013-4359 has been scored as a medium severity vulnerability.
How to fix CVE-2013-4359?
To fix CVE-2013-4359, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2013-4359 being actively exploited in the wild?
It is possible that CVE-2013-4359 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~2% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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