Privilege escalation in Sudo component in F5 Traffix SDC



| Updated: 2023-05-14
Risk Low
Patch available NO
Number of vulnerabilities 1
CVE-ID CVE-2021-3156
CWE-ID CWE-122
Exploitation vector Local
Public exploit Vulnerability #1 is being exploited in the wild.
Vulnerable software
Traffix SDC
Client/Desktop applications / Software for system administration

Vendor F5 Networks

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Heap-based buffer overflow

EUVDB-ID: #VU50040

Risk: Low

CVSSv4.0: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Clear]

CVE-ID: CVE-2021-3156

CWE-ID: CWE-122 - Heap-based Buffer Overflow

Exploit availability: Yes

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a boundary error in sudo. A local user can pass specially crafted data to the application, trigger heap-based buffer overflow and execute arbitrary code on the target system with root privileges.


Mitigation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

Traffix SDC: 5.1.0 CF 19 - 5.1.0

CPE2.3 External links

https://support.f5.com/csp/article/K86488846


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

Yes. This vulnerability is being exploited in the wild.



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