Multiple vulnerabilities in AdGuardHome



Published: 2024-03-07
Risk Medium
Patch available YES
Number of vulnerabilities 5
CVE-ID CVE-2023-45289
CVE-2023-45290
CVE-2024-24783
CVE-2024-24784
CVE-2024-24785
CWE-ID CWE-200
CWE-400
CWE-388
CWE-20
CWE-79
Exploitation vector Network
Public exploit N/A
Vulnerable software
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AdGuard Home
Client/Desktop applications / Other client software

Vendor AdGuard

Security Bulletin

This security bulletin contains information about 5 vulnerabilities.

1) Information disclosure

EUVDB-ID: #VU87198

Risk: Low

CVSSv3.1: 2.7 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-45289

CWE-ID: CWE-200 - Information exposure

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to insecure forwarding of headers and cookies to a third-party domains in net/http and net/http/cookiejar. A remote attacker can trick the application into sharing sensitive information with an attacker-controlled website.

Mitigation

Install update from vendor's website.

Vulnerable software versions

AdGuard Home: 0.107.0 - 0.107.44

External links

http://github.com/AdguardTeam/AdGuardHome/releases/tag/v0.107.45


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.

2) Resource exhaustion

EUVDB-ID: #VU87197

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-45290

CWE-ID: CWE-400 - Resource exhaustion

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists in net/http due to application does not properly control consumption of internal resources when parsing a multipart form (either explicitly with Request.ParseMultipartForm or implicitly with Request.FormValue, Request.PostFormValue, or Request.FormFile). A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

AdGuard Home: 0.107.0 - 0.107.44

External links

http://github.com/AdguardTeam/AdGuardHome/releases/tag/v0.107.45


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.

3) Error Handling

EUVDB-ID: #VU87196

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-24783

CWE-ID: CWE-388 - Error Handling

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists in crypto/x509 due to improper validation of a certificate chain that contains an unknown public key. A remote attacker can pass a specially crafted certificate to the application and perform a denial of service attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

AdGuard Home: 0.107.0 - 0.107.44

External links

http://github.com/AdguardTeam/AdGuardHome/releases/tag/v0.107.45


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.

4) Input validation error

EUVDB-ID: #VU87201

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-2024-24784

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform spoofing attack.

The vulnerability exists due to insufficient validation of display names within the ParseAddressList function in net/mail. A remote attacker can pass specially crafted input to the application and perform a spoofing attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

AdGuard Home: 0.107.0 - 0.107.44

External links

http://github.com/AdguardTeam/AdGuardHome/releases/tag/v0.107.45


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.

5) Cross-site scripting

EUVDB-ID: #VU87200

Risk: Low

CVSSv3.1: 4.1 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-24785

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Exploit availability: No

Description

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data in html/template when parsing errors returned from MarshalJSON methods. A remote attacker can execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Mitigation

Install update from vendor's website.

Vulnerable software versions

AdGuard Home: 0.107.0 - 0.107.44

External links

http://github.com/AdguardTeam/AdGuardHome/releases/tag/v0.107.45


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.



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