CVE-2016-2147

Cisco Device Hardcoded Credentials / GNU glibc / BusyBox

Severity Score

7.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

Integer overflow in the DHCP client (udhcpc) in BusyBox before 1.25.0 allows remote attackers to cause a denial of service (crash) via a malformed RFC1035-encoded domain name, which triggers an out-of-bounds heap write.

Desbordamiento de entero en el cliente DHCP (udhcpc) en BusyBox en versiones anteriores a 1.25.0 permite a atacantes remotos provocar una denegación de servicio (caída) a través de un nombre de dominio codificado RFC1035 mal formado, lo que desencadena una escritura de memoria dinámica fuera de límites.

Many Cisco devices such as Cisco RV340, Cisco RV340W, Cisco RV345, Cisco RV345P, Cisco RV260, Cisco RV260P, Cisco RV260W, Cisco 160, and Cisco 160W suffer from having hard-coded credentials, known GNU glibc, known BusyBox, and IoT Inspector identified vulnerabilities.

*Credits: N/A

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

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

2016-01-29 CVE Reserved
2016-12-05 CVE Published
2024-05-12 EPSS Updated
2024-08-05 CVE Updated
2024-08-05 First Exploit
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-190: Integer Overflow or Wraparound

CAPEC

References (14)

URL	Tag	Source
https://lists.debian.org/debian-lts-announce/2018/07/msg00037.html	Mailing List
https://lists.debian.org/debian-lts-announce/2021/02/msg00020.html	Mailing List

URL	Date	SRC
http://packetstormsecurity.com/files/153278/WAGO-852-Industrial-Managed-Switch-Series-Code-Execution-Hardcoded-Credentials.html	2024-08-05
http://packetstormsecurity.com/files/154361/Cisco-Device-Hardcoded-Credentials-GNU-glibc-BusyBox.html	2024-08-05
http://seclists.org/fulldisclosure/2019/Jun/18	2024-08-05
http://seclists.org/fulldisclosure/2019/Sep/7	2024-08-05
http://seclists.org/fulldisclosure/2020/Aug/20	2024-08-05
https://seclists.org/bugtraq/2019/Jun/14	2024-08-05
https://seclists.org/bugtraq/2019/Sep/7	2024-08-05

URL	Date	SRC
http://www.openwall.com/lists/oss-security/2016/03/11/16	2021-02-18
https://git.busybox.net/busybox/commit/?id=d474ffc68290e0a83651c4432eeabfa62cd51e87	2021-02-18

URL	Date	SRC
https://busybox.net/news.html	2021-02-18
https://security.gentoo.org/glsa/201612-04	2021-02-18
https://usn.ubuntu.com/3935-1	2021-02-18

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Busybox Search vendor "Busybox"		Busybox Search vendor "Busybox" for product "Busybox"				<= 1.24.2 Search vendor "Busybox" for product "Busybox" and version " <= 1.24.2"		-		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				8.0 Search vendor "Debian" for product "Debian Linux" and version "8.0"		-		Affected
Debian Search vendor "Debian"		Debian Linux Search vendor "Debian" for product "Debian Linux"				9.0 Search vendor "Debian" for product "Debian Linux" and version "9.0"		-		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				14.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "14.04"		esm		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				16.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "16.04"		lts		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				18.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "18.04"		lts		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				18.10 Search vendor "Canonical" for product "Ubuntu Linux" and version "18.10"		-		Affected