CVE-2013-4434 - Vulnerability Details - OpenCVE

Dropbear SSH Server before 2013.59 generates error messages for a failed logon attempt with different time delays depending on whether the user account exists, which allows remote attackers to discover valid usernames.

No CVSS v4.0

No CVSS v3.1

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact Partial

Integrity Impact None

Availability Impact None

This CVE is not in the KEV list.

The EPSS score is 0.01912.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

cpe:2.3:a:dropbear_ssh_project:dropbear_ssh:*:*:*:*:*:*:*:*

No data.

No data.

Subscriptions

Vendors	Products
Dropbear Ssh Project Subscribe	Dropbear Ssh Subscribe

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2013-4311	Dropbear SSH Server before 2013.59 generates error messages for a failed logon attempt with different time delays depending on whether the user account exists, which allows remote attackers to discover valid usernames.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
http://lists.opensuse.org/opensuse-updates/2013-10/msg00061.html
http://lists.opensuse.org/opensuse-updates/2013-11/msg00046.html
http://secunia.com/advisories/55173
http://www.openwall.com/lists/oss-security/2013/10/16/11
http://www.securityfocus.com/bid/62993
https://matt.ucc.asn.au/dropbear/CHANGES
https://secure.ucc.asn.au/hg/dropbear/rev/d7784616409a
https://support.citrix.com/article/CTX216642

History

No history.

MITRE

Status: PUBLISHED

Assigner: redhat

Published: 2013-10-25T23:00:00.000Z

Updated: 2024-08-06T16:45:14.079Z

Reserved: 2013-06-12T00:00:00.000Z

Link: CVE-2013-4434

Vulnrichment

No data.

NVD

Status : Deferred

Published: 2013-10-25T23:55:03.957

Modified: 2025-04-11T00:51:21.963

Link: CVE-2013-4434

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-189

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