CVE-2013-4421

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Published Oct 25, 2013 CVSS 2.0 · 5.0 Medium EPSS 6.4% KEV · Not listed

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.

Affected Products

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 solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available

Metrics

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.

Exploit prediction score: 6.4% (6.424% probability within 30 days)

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

Weaknesses

CWE-189

Sources

CVE record Updated: Aug 6, 2024, 4:45 PM

Status: PUBLISHED
Assigner: redhat
Published: Oct 25, 2013, 11:00 PM
Updated: Aug 6, 2024, 4:45 PM
Reserved: Jun 12, 2013, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 16, 2026, 11:57 PM

Status: Modified
Published: Oct 25, 2013, 11:55 PM
Modified: Jun 16, 2026, 11:57 PM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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