F5-K000139092
First published: Fri Mar 29 2024(Updated: )
Certain DNSSEC aspects of the DNS protocol (in RFC 4033, 4034, 4035, 6840, and related RFCs) allow remote attackers to cause a denial of service (CPU consumption) via one or more DNSSEC responses, aka the "KeyTrap" issue. One of the concerns is that, when there is a zone with many DNSKEY and RRSIG records, the protocol specification implies that an algorithm must evaluate all combinations of DNSKEY and RRSIG records.
| Affected Software | Affected Version | How to fix |
|---|---|---|
| F5 BIG-IP and BIG-IQ Centralized Management | >=17.1.0<=17.1.1 | 17.1.2 |
| F5 BIG-IP and BIG-IQ Centralized Management | >=16.1.0<=16.1.5 | |
| F5 BIG-IP and BIG-IQ Centralized Management | >=15.1.0<=15.1.10 |
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Reference Links
Frequently Asked Questions
What is the severity of F5-K000139092?
The severity of F5-K000139092 is significant due to its potential to cause denial of service through excessive CPU consumption.
How do I fix F5-K000139092?
To fix F5-K000139092, upgrade your F5 BIG-IP system to a version that is not affected by the KeyTrap issue as specified in the advisory.
What versions of F5 BIG-IP are affected by F5-K000139092?
F5-K000139092 affects certain versions of F5 BIG-IP, specifically versions prior to 17.1.2, between 16.1.0 to 16.1.5, and between 15.1.0 to 15.1.10.
What is the 'KeyTrap' issue in F5-K000139092?
The 'KeyTrap' issue in F5-K000139092 refers to vulnerabilities in DNSSEC that allow remote attackers to exploit excessive CPU consumption through specific DNSSEC responses.
Who is affected by F5-K000139092?
Organizations using affected versions of F5 BIG-IP that implement DNSSEC are at risk from F5-K000139092.
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- agent/event
- agent/first-publish-date
- agent/description
- agent/softwarecombine
- agent/source
- agent/tags
- agent/last-modified-date
- collector/f5-advisory
- source/F5
- alias/CVE-2023-50387
- agent/software-canonical-lookup
- agent/software-canonical-lookup-request
- vendor/f5
- canonical/f5 big-ip and big-iq centralized management
- version/f5 big-ip and big-iq centralized management/17.1.0
- version/f5 big-ip and big-iq centralized management/17.1.1
- version/f5 big-ip and big-iq centralized management/16.1.0
- version/f5 big-ip and big-iq centralized management/16.1.5
- version/f5 big-ip and big-iq centralized management/15.1.0
- version/f5 big-ip and big-iq centralized management/15.1.10