Multiple vulnerabilities in IBM Netezza Host Management



Risk Low
Patch available YES
Number of vulnerabilities 2
CVE-ID CVE-2021-28950
CVE-2020-36322
CWE-ID CWE-834
CWE-404
Exploitation vector Local
Public exploit N/A
Vulnerable software
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IBM Netezza Host Management
Server applications / Virtualization software

Vendor IBM Corporation

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Excessive Iteration

EUVDB-ID: #VU58207

Risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-28950

CWE-ID: CWE-834 - Excessive Iteration

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to excessive iteration in fs/fuse/fuse_i.h in the Linux kernel. A local user can run a specially crafted program to perform a denial of service attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

IBM Netezza Host Management: All versions

CPE2.3 External links

http://www.ibm.com/blogs/psirt/security-bulletin-publicly-disclosed-vulnerabilities-from-kernel-affect-ibm-netezza-host-management-11/
http://www.ibm.com/support/pages/node/6474223


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) Improper Resource Shutdown or Release

EUVDB-ID: #VU59473

Risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-36322

CWE-ID: CWE-404 - Improper Resource Shutdown or Release

Exploit availability: No

Description

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists in the FUSE filesystem implementation in the Linux kernel due to fuse_do_getattr() calls make_bad_inode() in inappropriate situations. A local user can run a specially crafted program to trigger kernel crash.

Note, the vulnerability exists due to incomplete fix for #VU58207 (CVE-2021-28950).

Mitigation

Install update from vendor's website.

Vulnerable software versions

IBM Netezza Host Management: All versions

CPE2.3 External links

http://www.ibm.com/blogs/psirt/security-bulletin-publicly-disclosed-vulnerabilities-from-kernel-affect-ibm-netezza-host-management-11/
http://www.ibm.com/support/pages/node/6474223


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.



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