CVE-2021-3485 Improper Input Validation in Bitdefender Endpoint Security Tools for Linux

What is CVE-2021-3485?

CVE-2021-3485 is a medium-severity code injection vulnerability in Bitdefender Endpoint Security Tools for Linux, published on 24 May 2021. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

An Improper Input Validation vulnerability in the Product Update feature of Bitdefender Endpoint Security Tools for Linux allows a man-in-the-middle attacker to abuse the DownloadFile function of the Product Update to achieve remote code execution. This issue affects: Bitdefender Endpoint Security Tools for Linux versions prior to 6.2.21.155.

Weakness: CWE-494

Which versions are affected by CVE-2021-3485?

It affects 1 product.

Products include Bitdefender Endpoint Security Tools.

How do I fix CVE-2021-3485?

No fix has been published for CVE-2021-3485 yet. Limit exposure of the affected software until one is available.

Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.

Is CVE-2021-3485 being exploited?

There is no known exploitation of CVE-2021-3485 in the wild and no public exploit code.

Other vulnerabilities in Bitdefender Endpoint Security Tools for Linux

• CVE-2021-3554 Improper Access Control vulnerability in the patchesUpdate API Critical 9.0
• CVE-2021-3576 Privilege escalation via SeImpersonatePrivilege High 7.8
• CVE-2021-3579 Incorrect Default Permissions vulnerability in bdservicehost.exe and Vulnerability.Scan.exe High 7.8
• CVE-2022-0677 Improper Handling of Length Parameter Inconsistency vulnerability in Bitdefender Update Server (VA-10144) High 7.5
• CVE-2021-3552 Insufficient validation on regular expression in EPPUpdateService config file (VA-9825) Medium 5.3

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-wg6r-fv2h-h7xm.