Risk | Low |
Patch available | YES |
Number of vulnerabilities | 1 |
CVE-ID | CVE-2021-29449 |
CWE-ID | CWE-264 |
Exploitation vector | Local |
Public exploit | Public exploit code for vulnerability #1 is available. |
Vulnerable software Subscribe |
Pi-hole Web applications / Modules and components for CMS |
Vendor | Pi-hole |
Security Bulletin
This security bulletin contains one low risk vulnerability.
EUVDB-ID: #VU52368
Risk: Low
CVSSv3.1: 7.2 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C]
CVE-ID: CVE-2021-29449
CWE-ID:
CWE-264 - Permissions, Privileges, and Access Controls
Exploit availability: Yes
DescriptionThe vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to application does not properly impose security restrictions in the RemoveCustomCNAMERecord, RemoveCustomDNSAddress and RemoveDHCPStaticAddress functions. A local user can gain elevated privileges on the target system.
MitigationInstall updates from vendor's website.
Vulnerable software versionsPi-hole: 2.0 - 5.2.4
External linkshttp://github.com/pi-hole/pi-hole/security/advisories/GHSA-3597-244c-wrpj
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?
No. We are not aware of malware exploiting this vulnerability. However, a fully functional exploit for this vulnerability is available.