SB2022090209 - Multiple vulnerabilities in IBM Netezza Host Management
Published: September 2, 2022
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 2 secuirty vulnerabilities.
1) Reachable Assertion (CVE-ID: CVE-2021-25215)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a reachable assertion when processing DNAME records. A remote attacker can force named to add the same RRset to the ANSWER section more than once, trigger an assertion failure and crash the service. Both authoritative and recursive servers are affected by this issue during zone transfers.
2) Buffer overflow (CVE-ID: CVE-2020-8625)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error within the SPNEGO implementation in the GSS-TSIG extension. A remote attacker can send a specially crafted DNS request to the server, trigger memory corruption and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Remediation
Install update from vendor's website.
References
- https://www.ibm.com/blogs/psirt/security-bulletin-publicly-disclosed-vulnerabilities-from-bind-affect-ibm-netezza-host-management-4/"
- https://www.ibm.com/blogs/psirt/security-bulletin-publicly-disclosed-vulnerabilities-from-bind-affect-ibm-netezza-host-management-4/</a><br>
- https://www.ibm.com/support/pages/node/6490827<br><br></p>