PT-2013-5013 · Dropbear · Dropbear Ssh Server

Logan Lamb · Published 2013-10-25 · Updated 2018-10-30 · CVE-2013-4434

Positive Technologies (AI Summary)

CVSS v2.0

5.0

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Dropbear SSH Server versions prior to 2013.59

Description The issue allows remote attackers to discover valid usernames by generating error messages for a failed logon attempt with different time delays depending on whether the user account exists.

Recommendations For versions prior to 2013.59, update to version 2013.59 or later to resolve the issue.

Fix

Weakness Enumeration

CWE-189

Related Identifiers

CVE-2013-4434

MGASA-2013-0318

Affected Products

Dropbear Ssh Server

References · 19

• http://lists.opensuse.org/opensuse-updates/2013-11/msg00046.html · Vendor Advisory
• http://lists.opensuse.org/opensuse-updates/2013-10/msg00061.html · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2013-4434 · Vendor Advisory
• https://matt.ucc.asn.au/dropbear/CHANGES · Vendor Advisory
• https://secure.ucc.asn.au/hg/dropbear/rev/d7784616409a · Patch
• https://ubuntu.com/security/CVE-2013-4434 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2013-4434 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2013-4434 · Vendor Advisory
• https://osv.dev/vulnerability/MGASA-2013-0318 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2013-4434 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2013-4434 · Security Note
• http://secunia.com/advisories/55173 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2013-4434 · Vendor Advisory
• https://advisories.mageia.org/MGASA-2013-0318.html · Security Note
• https://support.citrix.com/article/CTX216642 · Note