IBM Security Guardium update for Linux kernel

Published: 2021-11-05

Risk	Medium
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2020-25705 CVE-2020-28374
CWE-ID	CWE-330 CWE-22
Exploitation vector	Network
Public exploit	Public exploit code for vulnerability #1 is available.
Vulnerable software Subscribe	IBM Security Guardium Client/Desktop applications / Antivirus software/Personal firewalls
Vendor	IBM Corporation

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Use of insufficiently random values

EUVDB-ID: #VU49150

Risk: Medium

CVSSv3.1:

CVE-ID: CVE-2020-25705

CWE-ID: CWE-330 - Use of Insufficiently Random Values

Exploit availability: Yes

Description

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

A flaw in the way reply ICMP packets are limited in the Linux kernel functionality was found that allows to quickly scan open UDP ports. This flaw allows an off-path remote user to effectively bypassing source port UDP randomization. The highest threat from this vulnerability is to confidentiality and possibly integrity, because software that relies on UDP source port randomization are indirectly affected as well.

Mitigation

Install update from vendor's website.

Vulnerable software versions

IBM Security Guardium: 11.0 - 11.3

CPE2.3

cpe:2.3:a:ibm_corporation:ibm_security_guardium:11.0:*:*:*:*:*:*:*

External links

http://www.ibm.com/blogs/psirt/security-bulletin-ibm-security-guardium-is-affected-by-a-kernel-vulnerability-cve-2020-25705-cve-2020-28374-4/
http://www.ibm.com/support/pages/node/6459941

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?

2) Path traversal

EUVDB-ID: #VU49914