CVE-2013-4359
medium
CVSS v3
—
CVSS v4 NEW
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VIR risk
5.0
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.
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| debian | bookworm | fixed | 1.3.5~rc3-2.1 |
| debian | bullseye | fixed | 1.3.5~rc3-2.1 |
| debian | forky | fixed | 1.3.5~rc3-2.1 |
| debian | sid | fixed | 1.3.5~rc3-2.1 |
| debian | trixie | fixed | 1.3.5~rc3-2.1 |
References
- http://bugs.proftpd.org/show_bug.cgi?id=3973
- http://kingcope.wordpress.com/2013/09/11/proftpd-mod_sftpmod_sftp_pam-invalid-pool-allocation-in-kbdint-authentication/
- 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
- https://security-tracker.debian.org/tracker/CVE-2013-4359
CWEs
CWE-189
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.