CVE-2016-8786 Denial of service in S12700, S5700, S6700, S7700, S9700
Remote attackers can cause device restarts by sending malformed RSVP packets due to insufficient input validation in Huawei switches.
- 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-2016-8786?
CVE-2016-8786 is a high-severity denial of service vulnerability in Huawei Technologies Co., Ltd. S12700, S5700, S6700, S7700, S9700, 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 S12700 V200R005C00, V200R006C00, V200R007C00, V200R008C00, S5700 V200R006C00, V200R007C00, V200R008C00, S6700 V200R008C00, S7700 V200R001C00, V200R002C00, V200R003C00, V200R005C00, V200R006C00, V200R007C00, V200R008C00, S9700 V200R001C00, V200R002C00, V200R003C00, V200R005C00, V200R006C00, V200R007C00, V200R008C00 have a denial of service (DoS) vulnerability. Due to the lack of input validation, a remote attacker may craft a malformed Resource Reservation Protocol (RSVP) packet and send it to the device, causing a few buffer overflows and occasional device restart.
Weakness: CWE-20
Which versions are affected by CVE-2016-8786?
It affects 5 products.
Products include Huawei S12700 Firmware, Huawei S5700 Firmware, Huawei S6700 Firmware, Huawei S7700 Firmware, Huawei S9700 Firmware.
How do I fix CVE-2016-8786?
No fix has been published for CVE-2016-8786 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-2016-8786 being exploited?
There is no known exploitation of CVE-2016-8786 in the wild and no public exploit code.
Other vulnerabilities in Huawei Technologies Co., Ltd. S12700, S5700, S6700, S7700, S9700
- CVE-2016-4087 Command injection in n/a
- CVE-2021-22357 Denial of service in S12700;S5700;S6700;S7700
- CVE-2019-19397 Weak cryptography in S12700;S1700;S2700;S5700;S6700;S7700;S9700
- CVE-2019-5285 Denial of service in S12700, S12700, S12700, S12700, S12700, S12700, S12700, S12700, S1700, S1700, S1700, S1700, S1700, S1700, S2300, S2300, S2300, S2300, S2300, S2300, S2300, S2700, S2700, S2700, S2700, S2700, S2700, S2700, S2700, S5300, S5300, S5300, S5300, S5300, S5300, S5300, S5700, S5700, S5700, S5700, S5700, S5700, S5700, S5700, S5700, S600-E, S600-E, S600-E, S600-E, S600-E, S6300, S6300, S6300, S6300, S6300, S6300, S6300, S6300, S6700, S6700, S6700, S6700, S6700, S6700, S6700, S6700, S7700, S7700, S7700, S7700, S7700, S7700, S7700, S7700, S7700, S7900, S7900, S7900, S9300, S9300, S9300, S9300, S9300, S9300, S9300, S9300X, S9300X, S9300X, S9300X, S9700, S9700, S9700, S9700, S9700, S9700, S9700, S9700, S9700
- CVE-2017-17300 Integer overflow in S12700,S5700,S6700,S7700,S9700
Sources
Also known as GHSA-v32r-xrgh-2vx8.