Use of insufficiently random values in IBM DataPower Gateway



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-25705
CWE-ID CWE-330
Exploitation vector Network
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
 IBM DataPower Gateway
Client/Desktop applications / Software for system administration

Vendor IBM Corporation

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Use of insufficiently random values

EUVDB-ID: #VU49150

Risk: Medium

CVSSv4.0: 5.5 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/U:Green]

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 DataPower Gateway: before 10.0.1.11, 2018.4.1.24, 10.0.1.11

CPE2.3 External links

https://www.ibm.com/support/pages/node/6848581


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. However, proof of concept for this vulnerability is available.



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