Multiple vulnerabilities in IBM Voice Gateway

Published: 2024-04-02

Risk	Medium
Patch available	YES
Number of vulnerabilities	8
CVE-ID	CVE-2024-22017 CVE-2023-46809 CVE-2024-22025 CVE-2024-21892 CVE-2024-22019 CVE-2024-21891 CVE-2024-21896 CVE-2024-21890
CWE-ID	CWE-269 CWE-385 CWE-20 CWE-755 CWE-22 CWE-1068
Exploitation vector	Network
Public exploit	N/A
Vulnerable software	Voice Gateway Server applications / Conferencing, Collaboration and VoIP solutions
Vendor	IBM Corporation

Security Bulletin

This security bulletin contains information about 8 vulnerabilities.

1) Improper Privilege Management

EUVDB-ID: #VU86723

Risk: Low

CVSSv4.0: 7.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:U/U:Clear]

CVE-ID: CVE-2024-22017

CWE-ID: CWE-269 - Improper Privilege Management

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges.

The vulnerability exists due to setuid() does not affect libuv's internal io_uring operations if initialized before the call to setuid(). A local user can escalate privileges on the system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Voice Gateway: before 1.0.8.10

CPE2.3

cpe:2.3:a:ibm_corporation:voice_gateway:*:*:*:*:*:*:*:*

External links

https://www.ibm.com/support/pages/node/7145616

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.

2) Covert Timing Channel

EUVDB-ID: #VU86724

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-46809

CWE-ID: CWE-385 - Covert Timing Channel

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform Marvin attack.

The vulnerability exists due to a covert timing channel in the privateDecrypt() API of the crypto library. A remote attacker can perform a covert timing side-channel during PKCS#1 v1.5 padding error handling and decrypt captured RSA ciphertexts or forge signatures, especially in scenarios involving API endpoints processing Json Web Encryption messages.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Voice Gateway: before 1.0.8.10

CPE2.3

cpe:2.3:a:ibm_corporation:voice_gateway:*:*:*:*:*:*:*:*

External links

https://www.ibm.com/support/pages/node/7145616

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) Input validation error

EUVDB-ID: #VU86733

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2024-22025

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

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

The vulnerability exists due to insufficient validation of user-supplied input when handling brotli decoding. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Voice Gateway: before 1.0.8.10

CPE2.3

cpe:2.3:a:ibm_corporation:voice_gateway:*:*:*:*:*:*:*:*

External links

https://www.ibm.com/support/pages/node/7145616

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) Improper handling of exceptional conditions

EUVDB-ID: #VU86718

Risk: Low

CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-21892

CWE-ID: CWE-755 - Improper Handling of Exceptional Conditions

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to the way certain environment variables are handled by Node.js on Linux. A local user can use a specially crafted environment variable to escalate privileges on the system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Voice Gateway: before 1.0.8.10

CPE2.3

cpe:2.3:a:ibm_corporation:voice_gateway:*:*:*:*:*:*:*:*

External links

https://www.ibm.com/support/pages/node/7145616

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.

5) Input validation error

EUVDB-ID: #VU86721

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2024-22019

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

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

The vulnerability exists due to insufficient validation of user-supplied input when processing HTTP requests with chunked encoding. A remote attacker can send specially crafted HTTP request to the server and perform a denial of service (DoS) attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Voice Gateway: before 1.0.8.10

CPE2.3

cpe:2.3:a:ibm_corporation:voice_gateway:*:*:*:*:*:*:*:*

External links

https://www.ibm.com/support/pages/node/7145616

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.

6) Path traversal

EUVDB-ID: #VU86726

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2024-21891

CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences. A remote attacker can send a specially crafted HTTP request and read arbitrary files on the system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Voice Gateway: before 1.0.8.10

CPE2.3

cpe:2.3:a:ibm_corporation:voice_gateway:*:*:*:*:*:*:*:*

External links

https://www.ibm.com/support/pages/node/7145616

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.

7) Path traversal

EUVDB-ID: #VU86722

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2024-21896

CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform directory traversal attacks.

The vulnerability exists due to input validation error when processing directory traversal sequences in Buffer.prototype.utf8Write. A remote attacker can send a specially crafted HTTP request and read arbitrary files on the system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Voice Gateway: before 1.0.8.10

CPE2.3

cpe:2.3:a:ibm_corporation:voice_gateway:*:*:*:*:*:*:*:*

External links

https://www.ibm.com/support/pages/node/7145616

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.

8) Inconsistency between implementation and documented design

EUVDB-ID: #VU86728

Risk: Low

CVSSv4.0: 1.7 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-21890

CWE-ID: CWE-1068 - Inconsistency Between Implementation and Documented Design

Exploit availability: No

Description

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

The vulnerability exists due to improper handling of wildcards in --allow-fs-read and --allow-fs-write. A remote attacker can gain access to sensitive information.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Voice Gateway: before 1.0.8.10

CPE2.3

cpe:2.3:a:ibm_corporation:voice_gateway:*:*:*:*:*:*:*:*

External links

https://www.ibm.com/support/pages/node/7145616

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.