CVE-2023-43124

BIG-IP APM Clients TunnelCrack vulnerability

Severity Score

7.1

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

BIG-IP APM clients may send IP traffic outside of the VPN tunnel. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated

Los clientes BIG-IP APM pueden enviar tráfico IP fuera del túnel VPN. Nota: Las versiones de software que han llegado al Final del Soporte Técnico (EoTS) no se evalúan

*Credits: Bypassing Tunnels: Leaking VPN Client Traffic by Abusing Routing Tables https://papers.mathyvanhoef.com/usenix2023-tunnelcrack.pdf

Attack Vector

Adjacent

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

Low

Availability

None

Attack Vector

Adjacent

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2023-09-18 CVE Reserved
2023-09-27 CVE Published
2023-09-28 EPSS Updated
2024-08-02 CVE Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-319: Cleartext Transmission of Sensitive Information

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC

URL	Date	SRC

URL	Date	SRC
https://my.f5.com/manage/s/article/K000136907	2023-09-29

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
F5 Search vendor "F5"		Big-ip Access Policy Manager Search vendor "F5" for product "Big-ip Access Policy Manager"				>= 14.1.5.2 <= 14.1.5.6 Search vendor "F5" for product "Big-ip Access Policy Manager" and version " >= 14.1.5.2 <= 14.1.5.6"		-		Affected
F5 Search vendor "F5"		Big-ip Access Policy Manager Search vendor "F5" for product "Big-ip Access Policy Manager"				>= 15.1.8 <= 15.1.10 Search vendor "F5" for product "Big-ip Access Policy Manager" and version " >= 15.1.8 <= 15.1.10"		-		Affected
F5 Search vendor "F5"		Big-ip Access Policy Manager Search vendor "F5" for product "Big-ip Access Policy Manager"				>= 16.1.3.3 <= 16.1.4 Search vendor "F5" for product "Big-ip Access Policy Manager" and version " >= 16.1.3.3 <= 16.1.4"		-		Affected
F5 Search vendor "F5"		Big-ip Access Policy Manager Search vendor "F5" for product "Big-ip Access Policy Manager"				13.1.5.1 Search vendor "F5" for product "Big-ip Access Policy Manager" and version "13.1.5.1"		-		Affected
F5 Search vendor "F5"		Big-ip Access Policy Manager Search vendor "F5" for product "Big-ip Access Policy Manager"				17.1.0 Search vendor "F5" for product "Big-ip Access Policy Manager" and version "17.1.0"		-		Affected
F5 Search vendor "F5"		Big-ip Access Policy Manager Client Search vendor "F5" for product "Big-ip Access Policy Manager Client"				>= 7.2.3 <= 7.2.4 Search vendor "F5" for product "Big-ip Access Policy Manager Client" and version " >= 7.2.3 <= 7.2.4"		-		Affected