CVE-2013-4421

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Summary

CVECVE-2013-4421
StatePUBLISHED
Assignerredhat
Source PriorityCVE Program / NVD first with legacy fallback
Published2013-10-25 23:55:03 UTC
Updated2026-04-29 01:13:23 UTC
DescriptionThe 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.

Risk And Classification

Primary CVSS: v2.0 5 from [email protected]

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

Problem Types: CWE-189 | n/a

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Partial

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

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Dropbear Ssh Project Dropbear Ssh All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
openSUSE-SU-2013:1616-1: moderate: update for dropbear af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org Third Party Advisory
[SECURITY] Fedora 19 Update: dropbear-2013.59-1.fc19 af854a3a-2127-422b-91ae-364da2661108 lists.fedoraproject.org Third Party Advisory
About Secunia Research | Flexera af854a3a-2127-422b-91ae-364da2661108 secunia.com Third Party Advisory
matt.ucc.asn.au/dropbear/CHANGES af854a3a-2127-422b-91ae-364da2661108 matt.ucc.asn.au Vendor Advisory
Dropbear SSH 'buf_decompress()' Function Denial of Service Vulnerability af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com Third Party Advisory, VDB Entry
dropbear: 0bf76f54de6f af854a3a-2127-422b-91ae-364da2661108 secure.ucc.asn.au Patch, Third Party Advisory
[SECURITY] Fedora 18 Update: dropbear-2013.59-1.fc18 af854a3a-2127-422b-91ae-364da2661108 lists.fedoraproject.org Third Party Advisory
Multiple Security Vulnerabilities in Citrix NetScaler Platform IPMI Lights Out Management (LOM) firmware af854a3a-2127-422b-91ae-364da2661108 support.citrix.com Third Party Advisory
oss-security - Re: CVE Request: dropbear sshd daemon 2013.59 release af854a3a-2127-422b-91ae-364da2661108 www.openwall.com Mailing List, Third Party Advisory
openSUSE-SU-2013:1696-1: moderate: update for dropbear af854a3a-2127-422b-91ae-364da2661108 lists.opensuse.org Third Party Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
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