CVE-2016-8782 Denial of service in CloudEngine 12800

Medium 5.3 Published 9 Mar 2018 Updated 6 Aug 2024

Unauthenticated attackers can cause denial of service on Huawei CloudEngine switches by sending malformed LDP packets that trigger memory leaks.

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-2016-8782?

CVE-2016-8782 is a medium-severity denial of service vulnerability in Huawei Technologies Co., Ltd. CloudEngine 12800, published on 9 Mar 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Huawei CloudEngine 12800 V100R003C00, V100R003C10, V100R005C00, V100R005C10, V100R006C00 have a memory leak vulnerability. An unauthenticated attacker may send specific Label Distribution Protocol (LDP) packets to the devices repeatedly. Due to improper validation of some specific fields of the packet, the LDP processing module does not release the memory, resulting in memory leak.

Weakness: CWE-399

Which versions are affected by CVE-2016-8782?

It affects 1 product.

Products include Huawei Cloudengine 12800 Firmware.

How do I fix CVE-2016-8782?

No fix has been published for CVE-2016-8782 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-2016-8782 being exploited?

There is no known exploitation of CVE-2016-8782 in the wild and no public exploit code.

Sources

Also known as GHSA-f5m4-rwp6-74j3.