Origin validation error in Traffix SDC (Linux RPM files)

1) Insufficient verification of data authenticity

EUVDB-ID: #VU54477

Risk: Medium

CVSSv3.1: 6.9 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:U/RC:C]

CVE-ID: CVE-2021-20271

CWE-ID: CWE-345 - Insufficient Verification of Data Authenticity

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to an error in RPM's signature check functionality when reading package files. A remote attacker can create a specially crafted package with a modified signature header, trick the victim into installing and compromise the affected system.

Mitigation

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

Vulnerable software versions

Traffix SDC: 5.1.0 - 5.1.0 CF 22

External links

http://support.f5.com/csp/article/K10396196

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.