Improper Certificate Validation in AdGuardHome
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2023-29409 |
| CWE-ID | CWE-295 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
AdGuard Home Client/Desktop applications / Other client software |
| Vendor | AdGuard |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
1) Improper Certificate Validation
EUVDB-ID: #VU78913
Risk: Medium
CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2023-29409
CWE-ID:
CWE-295 - Improper Certificate Validation
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to compromise the target system.
The vulnerability exists due to verifying certificate chains containing large RSA keys is slow. A remote attacker can cause a client/server to expend significant CPU time verifying signatures.
MitigationInstall update from vendor's website.
Vulnerable software versionsAdGuard Home: 0.1 - 0.108.0-b.42
External linkshttp://github.com/AdguardTeam/AdGuardHome/releases/tag/v0.107.36
http://github.com/AdguardTeam/AdGuardHome/releases/tag/v0.108.0-b.43
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.
