CVE-2015-7759 Denial of service in n/a

Low 3.7 Published 12 Jan 2016 Updated 6 Aug 2024

Remote attackers can cause a denial of service via crafted ICMP packets when Congestion Metrics Cache is enabled in the TCP profile.

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-2015-7759?

CVE-2015-7759 is a low-severity denial of service vulnerability in F5 Big-Ip Access Policy Manager, published on 12 Jan 2016. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

BIG-IP LTM, AAM, AFM, Analytics, APM, ASM, Link Controller, and PEM 12.0.0 before HF1, when the TCP profile for a virtual server is configured with Congestion Metrics Cache enabled, allow remote attackers to cause a denial of service (Traffic Management Microkernel (TMM) restart) via crafted ICMP packets, related to Path MTU (PMTU) discovery.

Weakness: CWE-20

Which versions are affected by CVE-2015-7759?

It affects 8 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 Link Controller and 2 more.

How do I fix CVE-2015-7759?

No fix has been published for CVE-2015-7759 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2015-7759 being exploited?

There is no known exploitation of CVE-2015-7759 in the wild and no public exploit code.

All F5 Big-Ip Access Policy Manager vulnerabilities

Sources

Also known as GHSA-82pr-xp2w-5hfc.