CVE-2013-4421

Severity Score

5.0

*CVSS v2

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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.

La función buf_decompress en packet.c en Dropbear SSH Server anterior a 2013.59 permite a atacantes remotos causar denegación de servicio (consumo de memoria) a través de un paquete de gran tamaño al ser descomprimido.

*Credits: N/A

CVSS Scores

NISTv2 5.0

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

None

Integrity

None

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2013-06-12 CVE Reserved
2013-10-25 CVE Published
2023-09-07 EPSS Updated
2024-08-06 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-189: Numeric Errors

CAPEC

References (10)

URL	Tag	Source
http://secunia.com/advisories/55173	Third Party Advisory
http://www.openwall.com/lists/oss-security/2013/10/11/4	Mailing List
http://www.securityfocus.com/bid/62958	Third Party Advisory
https://support.citrix.com/article/CTX216642	Third Party Advisory

URL	Date	SRC

URL	Date	SRC
https://secure.ucc.asn.au/hg/dropbear/rev/0bf76f54de6f	2018-10-30

URL	Date	SRC
http://lists.fedoraproject.org/pipermail/package-announce/2013-October/119300.html	2018-10-30
http://lists.fedoraproject.org/pipermail/package-announce/2013-October/119323.html	2018-10-30
http://lists.opensuse.org/opensuse-updates/2013-10/msg00061.html	2018-10-30
http://lists.opensuse.org/opensuse-updates/2013-11/msg00046.html	2018-10-30
https://matt.ucc.asn.au/dropbear/CHANGES	2018-10-30

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Dropbear Ssh Project Search vendor "Dropbear Ssh Project"		Dropbear Ssh Search vendor "Dropbear Ssh Project" for product "Dropbear Ssh"				< 2013.59 Search vendor "Dropbear Ssh Project" for product "Dropbear Ssh" and version " < 2013.59"		-		Affected