CVE-2018-7994 Denial of service in NGFW Module; NIP6300; NIP6600; NIP6800; Secospace USG6600; USG9500
Remote attackers can cause device reboots by exhausting memory through excessive questionnaire processing in Huawei network security products.
- 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-2018-7994?
CVE-2018-7994 is a high-severity denial of service vulnerability in Huawei Technologies Co., Ltd. NGFW Module; NIP6300; NIP6600; NIP6800; Secospace USG6600; USG9500, published on 31 Jul 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Some Huawei products IPS Module V500R001C50; NGFW Module V500R001C50; V500R002C10; NIP6300 V500R001C50; NIP6600 V500R001C50; NIP6800 V500R001C50; Secospace USG6600 V500R001C50; USG9500 V500R001C50 have a memory leak vulnerability. The software does not release allocated memory properly when processing Protal questionnaire. A remote attacker could send a lot questionnaires to the device, successful exploit could cause the device to reboot since running out of memory.
Weakness: CWE-772
Which versions are affected by CVE-2018-7994?
It affects 7 products.
Products include Huawei Ips Module, Huawei Ngfw Module, Huawei Nip6300, Huawei Nip6600, Huawei Nip6800, Huawei Secospace Usg6600 and 1 more.
How do I fix CVE-2018-7994?
No fix has been published for CVE-2018-7994 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-2018-7994 being exploited?
There is no known exploitation of CVE-2018-7994 in the wild and no public exploit code.
Sources
Also known as GHSA-jfrw-3j8q-2c86.