CVE-2013-4421 - Vulnerability Details - OpenCVE

Description

The buf_decompress function in packet.c in Dropbear SSH Server before 2013.59 allows remote attackers to cause a denial of service (memory consumption) via a compressed packet that has a large size when it is decompressed.

Published: 2013-10-25

Score: 5.0 Medium

EPSS: 25.9% Moderate

KEV: No

Impact:

Action:

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

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 available yet.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories

No advisories yet.

No CVSS v4.0

No CVSS v3.1

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact None

Integrity Impact None

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.25913.

Key SSVC decision points have not yet been added.

References

Link	Providers
http://lists.fedoraproject.org/pipermail/package-announce/2013-October/119300.html
http://lists.fedoraproject.org/pipermail/package-announce/2013-October/119323.html
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/2013/10/11/4
http://www.securityfocus.com/bid/62958
https://matt.ucc.asn.au/dropbear/CHANGES
https://secure.ucc.asn.au/hg/dropbear/rev/0bf76f54de6f
https://support.citrix.com/article/CTX216642

History

No history.

Subscriptions

Dropbear Ssh Project Dropbear Ssh

MITRE

Status: PUBLISHED

Assigner: redhat

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

Updated: 2024-08-06T16:45:14.129Z

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

Link: CVE-2013-4421

Vulnrichment

No data.

NVD

Status : Modified

Published: 2013-10-25T23:55:03.847

Modified: 2026-04-29T01:13:23.040

Link: CVE-2013-4421

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-189

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