CVE-2018-5532 Information disclosure in BIG-IP (LTM, AAM, AFM, Analytics, APM, ASM, DNS, Edge Gateway, FPS, GTM, Link Controller, PEM, WebAccelerator)

Medium 5.3 Published Updated

Attackers can force stale DNS records to persist in the cache, potentially leading to information disclosure or traffic redirection.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2018-5532?

CVE-2018-5532 is a medium-severity vulnerability in F5 Big-Ip Access Policy Manager, published on 19 Jul 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

On F5 BIG-IP 13.0.0, 12.1.0-12.1.2, 11.6.0-11.6.3.1, or 11.2.1-11.5.6 a domain name cached within the DNS Cache of TMM may continue to be resolved by the cache even after the parent server revokes the record, if the DNS Cache is receiving a stream of requests for the cached name.

Which versions are affected by CVE-2018-5532?

It affects 13 products.

Products include F5 Big-Ip Access Policy Manager, F5 Big-Ip Advanced Firewall Manager, F5 Big-Ip Analytics, F5 Big-Ip Application Acceleration Manager, F5 Big-Ip Application Security Manager, F5 Big-Ip Domain Name System and 7 more.

How do I fix CVE-2018-5532?

No fix has been published for CVE-2018-5532 yet. Limit exposure of the affected software until one is available.

Is CVE-2018-5532 being exploited?

There is no known exploitation of CVE-2018-5532 in the wild and no public exploit code.

All F5 Big-Ip Access Policy Manager vulnerabilities

Sources

Also known as GHSA-3239-92hh-5wpq.

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