CVE-2021-3554 Improper Access Control vulnerability in the patchesUpdate API
An attacker can manipulate the remote address for pulling patches in Bitdefender Endpoint Security Tools for Linux due to improper access control.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-3554?
CVE-2021-3554 is a critical missing authorization vulnerability in Bitdefender Endpoint Security Tools for Linux, published on 24 Nov 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Improper Access Control vulnerability in the patchesUpdate API as implemented in Bitdefender Endpoint Security Tools for Linux as a relay role allows an attacker to manipulate the remote address used for pulling patches. This issue affects: Bitdefender Endpoint Security Tools for Linux versions prior to 6.6.27.390; versions prior to 7.1.2.33. Bitdefender Unified Endpoint versions prior to 6.2.21.160. Bitdefender GravityZone versions prior to 6.24.1-1.
Weakness: CWE-284
Which versions are affected by CVE-2021-3554?
It affects 2 products.
Products include Bitdefender Endpoint Security Tools, Bitdefender Gravityzone.
How do I fix CVE-2021-3554?
No fix has been published for CVE-2021-3554 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2021-3554 being exploited?
There is no known exploitation of CVE-2021-3554 in the wild and no public exploit code.
Other vulnerabilities in Bitdefender Endpoint Security Tools for Linux
- CVE-2021-3576 Privilege escalation via SeImpersonatePrivilege
- CVE-2021-3579 Incorrect Default Permissions vulnerability in bdservicehost.exe and Vulnerability.Scan.exe
- CVE-2022-0677 Improper Handling of Length Parameter Inconsistency vulnerability in Bitdefender Update Server (VA-10144)
- CVE-2021-3485 Improper Input Validation in Bitdefender Endpoint Security Tools for Linux
- CVE-2021-3552 Insufficient validation on regular expression in EPPUpdateService config file (VA-9825)
Sources
Also known as GHSA-6wjr-cr9m-279q.