CVE-2020-1866 Memory corruption in NIP6800;S12700;S2700;S5700;S6700;S7700;S9700;Secospace USG6600;USG9500
Attackers can cause service disruption by sending crafted DHCP messages that trigger an out-of-bounds read in Huawei network devices.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-1866?
CVE-2020-1866 is a medium-severity memory corruption vulnerability in Huawei Nip6800 Firmware, published on 13 Jan 2021. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
There is an out-of-bounds read vulnerability in several products. The software reads data past the end of the intended buffer when parsing certain crafted DHCP messages. Successful exploit could cause certain service abnormal. Affected product versions include:NIP6800 versions V500R001C30,V500R001C60SPC500,V500R005C00;S12700 versions V200R008C00;S2700 versions V200R008C00;S5700 versions V200R008C00;S6700 versions V200R008C00;S7700 versions V200R008C00;S9700 versions V200R008C00;Secospace USG6600 versions V500R001C30SPC200,V500R001C30SPC600,V500R001C60SPC500,V500R005C00;USG9500 versions V500R001C30SPC300,V500R001C30SPC600,V500R001C60SPC500,V500R005C00.
Weakness: CWE-125
Which versions are affected by CVE-2020-1866?
It affects 9 products.
Products include Huawei Nip6800 Firmware, Huawei S12700 Firmware, Huawei S2700 Firmware, Huawei S5700 Firmware, Huawei S6700 Firmware, Huawei S7700 Firmware and 3 more.
How do I fix CVE-2020-1866?
No fix has been published for CVE-2020-1866 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2020-1866 being exploited?
There is no known exploitation of CVE-2020-1866 in the wild and no public exploit code.
Other vulnerabilities in Huawei Nip6800 Firmware
- CVE-2020-1860 Auth bypass in NIP6800;Secospace USG6600;USG9500
- CVE-2020-1873 Denial of service in NIP6800;Secospace USG6600;USG9500
- CVE-2020-1876 Memory corruption in NIP6800;Secospace USG6600;USG9500
- CVE-2020-1881 Denial of service in NIP6800;Secospace USG6600;USG9500
- CVE-2020-1815 Denial of service in NIP6800
Sources
Also known as GHSA-xf3h-cpcr-5vv3.