Multiple vulnerabilities in Mitel 6800, 6900, 6900w Series SIP Phones and 6970 Conference Unit



Published: 2024-04-19
Risk Medium
Patch available YES
Number of vulnerabilities 5
CVE-ID CVE-2024-31963
CVE-2024-31967
CVE-2024-31966
CVE-2024-31965
CVE-2024-31964
CWE-ID CWE-119
CWE-200
CWE-88
CWE-22
CWE-287
Exploitation vector Network
Public exploit N/A
Vulnerable software
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6800 Series SIP Phones
Hardware solutions / Office equipment, IP-phones, print servers

6900 Series SIP Phones
Hardware solutions / Office equipment, IP-phones, print servers

6900w Series SIP Phone
Hardware solutions / Office equipment, IP-phones, print servers

6970 Conference Unit
Hardware solutions / Office equipment, IP-phones, print servers

Vendor Mitel

Security Bulletin

This security bulletin contains information about 5 vulnerabilities.

1) Buffer overflow

EUVDB-ID: #VU88835

Risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-31963

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

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

The vulnerability exists due to a boundary error. A remote user can trigger memory corruption and cause a denial of service condition on the target system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

6800 Series SIP Phones: 6.3 SP3 HF4

6900 Series SIP Phones: 6.3 SP3 HF4

6900w Series SIP Phone: 6.3.3

6970 Conference Unit: 5.1.1 SP8

External links

http://www.mitel.com/support/security-advisories/mitel-product-security-advisory-24-0006
http://www.mitel.com/-/media/mitel/file/pdf/support/security-advisories/security-bulletin240006001-v10.pdf


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected device in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

2) Information disclosure

EUVDB-ID: #VU88841

Risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-31967

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 excessive data output by the application. A remote attacker can gain unauthorized access to sensitive information on the system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

6800 Series SIP Phones: 6.3 SP3 HF4

6900 Series SIP Phones: 6.3 SP3 HF4

6900w Series SIP Phone: 6.3.3

6970 Conference Unit: 5.1.1 SP8

External links

http://www.mitel.com/support/security-advisories/mitel-product-security-advisory-24-0010
http://www.mitel.com/-/media/mitel/file/pdf/support/security-advisories/security-bulletin240010001-v10.pdf


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected device in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

3) Improper Neutralization of Argument Delimiters in a Command

EUVDB-ID: #VU88840

Risk: Low

CVSSv3.1: 5.9 [CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-31966

CWE-ID: CWE-88 - Argument Injection or Modification

Exploit availability: No

Description

The vulnerability allows a local attacker to compromsie the target system.

The vulnerability exists due to an argument injection issue. An attacker with physical access can execute arbitrary code on the target system.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

6800 Series SIP Phones: 6.3 SP3 HF4

6900 Series SIP Phones: 6.3 SP3 HF4

6900w Series SIP Phone: 6.3.3

6970 Conference Unit: 5.1.1 SP8

External links

http://www.mitel.com/support/security-advisories/mitel-product-security-advisory-24-0009
http://www.mitel.com/-/media/mitel/file/pdf/support/security-advisories/security-bulletin240009001-v10.pdf


Q & A

Can this vulnerability be exploited remotely?

No. The attacker should have physical access to the system in order to successfully exploit this vulnerability.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected device in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

4) Path traversal

EUVDB-ID: #VU88837

Risk: Low

CVSSv3.1: 4.3 [CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-31965

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

Exploit availability: No

Description

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

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

Mitigation

Install update from vendor's website.

Vulnerable software versions

6800 Series SIP Phones: 6.3 SP3 HF4

6900 Series SIP Phones: 6.3 SP3 HF4

6900w Series SIP Phone: 6.3.3

6970 Conference Unit: 5.1.1 SP8

External links

http://www.mitel.com/support/security-advisories/mitel-product-security-advisory-24-0008
http://www.mitel.com/-/media/mitel/file/pdf/support/security-advisories/security-bulletin240008001-v10.pdf


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated privileged user via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected device in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.

5) Improper Authentication

EUVDB-ID: #VU88836

Risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-31964

CWE-ID: CWE-287 - Improper Authentication

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to an error in when processing authentication requests. A remote attacker can modify SIP phone configuration settings and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

6800 Series SIP Phones: 6.3 SP3 HF4

6900 Series SIP Phones: 6.3 SP3 HF4

6900w Series SIP Phone: 6.3.3

6970 Conference Unit: 5.1.1 SP8

External links

http://www.mitel.com/support/security-advisories/mitel-product-security-advisory-24-0007
http://www.mitel.com/-/media/mitel/file/pdf/support/security-advisories/security-bulletin240007001-v10.pdf


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected device in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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