Multiple vulnerabilities in IBM MQ Appliance



Risk Medium
Patch available YES
Number of vulnerabilities 3
CVE-ID CVE-2021-45485
CVE-2021-45486
CVE-2022-1012
CWE-ID CWE-200
CWE-401
Exploitation vector Network
Public exploit N/A
Vulnerable software
Subscribe 		IBM MQ Appliance
Other software / Other software solutions

Vendor IBM Corporation

Security Bulletin

This security bulletin contains information about 3 vulnerabilities.

1) Information disclosure

EUVDB-ID: #VU63668

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-2021-45485

CWE-ID: CWE-200 - Information exposure

Exploit availability: No

Description

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

The vulnerability exists due to an error in the IPv6 implementation in the Linux kernel. A remote attacker can gain access to sensitive information.

Mitigation

Install update from vendor's website.

Vulnerable software versions

IBM MQ Appliance: before 9.3.1

CPE2.3
External links

http://www.ibm.com/support/pages/node/6851373


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) Information disclosure

EUVDB-ID: #VU63577

Risk: Medium

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

CVE-ID: CVE-2021-45486

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 incorrect implementation of the IPv4 protocol in the Linux kernel. A remote attacker can disclose internal state in some situations.

Mitigation

Install update from vendor's website.

Vulnerable software versions

IBM MQ Appliance: before 9.3.1

CPE2.3
External links

http://www.ibm.com/support/pages/node/6851373


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

Is there known malware, which exploits this vulnerability?

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

3) Memory leak

EUVDB-ID: #VU64079

Risk: Medium

CVSSv3.1: 5.1 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-1012

CWE-ID: CWE-401 - Missing release of memory after effective lifetime

Exploit availability: No

Description

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

The vulnerability exists due to insufficient randomization in the net/ipv4/tcp.c when calculating port offsets in Linux kernel cause by small table perturb size. A remote attacker can cause memory leak and gain access to sensitive information.

Mitigation

Install update from vendor's website.

Vulnerable software versions

IBM MQ Appliance: before 9.3.1

CPE2.3
External links

http://www.ibm.com/support/pages/node/6851373


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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