CVE-2016-8773 Denial of service in S5300,S5700,S6300,S6700,S7700,9300,9700,S12700 S5300 with software V200R003C00, V200R007C00, V200R008C00, V200R009C00,S5700 with software V200R001C00, V200R002C00, V200R003C00, V200R005C00, V200R005C03, V200R007C00, V200R008C00, V200R009C00,S6300 with software V200R003C00, V200R005C00, V200R008C00, V200R009C00,S6700 with software V200R001C00, V200R001C01, V200R002C00, V200R003C00, V200R005C00, V200R008C00, V200R009C00,S7700 with software V200R007C00, V200R008C00, V200R009C00,S9300 with software V200R007C00, V200R008C00, V200R009C00,S9700 with software V200R007C00, V200R008C00, V200R009C00 and S12700 with software V200R007C00, V200R007C01, V200R008C00, V200R009C00
Attackers can cause a denial of service on Huawei switches by sending malformed MPLS packets, requiring a software patch.
- 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-2016-8773?
CVE-2016-8773 is a high-severity denial of service vulnerability in S5300,S5700,S6300,S6700,S7700,9300,9700,S12700 S5300 with software V200R003C00, V200R007C00, V200R008C00, V200R009C00,S5700 with software V200R001C00, V200R002C00, V200R003C00, V200R005C00, V200R005C03, V200R007C00, V200R008C00, V200R009C00,S6300 with software V200R003C00, V200R005C00, V200R008C00, V200R009C00,S6700 with software V200R001C00, V200R001C01, V200R002C00, V200R003C00, V200R005C00, V200R008C00, V200R009C00,S7700 with software V200R007C00, V200R008C00, V200R009C00,S9300 with software V200R007C00, V200R008C00, V200R009C00,S9700 with software V200R007C00, V200R008C00, V200R009C00 and S12700 with software V200R007C00, V200R007C01, V200R008C00, V200R009C00, published on 2 Apr 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Huawei S5300 with software V200R003C00, V200R007C00, V200R008C00, V200R009C00; S5700 with software V200R001C00, V200R002C00, V200R003C00, V200R005C00, V200R005C03, V200R007C00, V200R008C00, V200R009C00; S6300 with software V200R003C00, V200R005C00, V200R008C00, V200R009C00; S6700 with software V200R001C00, V200R001C01, V200R002C00, V200R003C00, V200R005C00, V200R008C00, V200R009C00; S7700 with software V200R007C00, V200R008C00, V200R009C00; S9300 with software V200R007C00, V200R008C00, V200R009C00; S9700 with software V200R007C00, V200R008C00, V200R009C00; and S12700 with software V200R007C00, V200R007C01, V200R008C00, V200R009C00 allow the attacker to cause a denial of service condition by sending malformed MPLS packets.
Weakness: CWE-20
Which versions are affected by CVE-2016-8773?
It affects 8 products.
Products include Huawei S12700 Firmware, Huawei S5300 Firmware, Huawei S5700 Firmware, Huawei S6300 Firmware, Huawei S6700 Firmware, Huawei S7700 Firmware and 2 more.
How do I fix CVE-2016-8773?
No fix has been published for CVE-2016-8773 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-2016-8773 being exploited?
There is no known exploitation of CVE-2016-8773 in the wild and no public exploit code.
Other vulnerabilities in S5300,S5700,S6300,S6700,S7700,9300,9700,S12700 S5300 with software V200R003C00, V200R007C00, V200R008C00, V200R009C00,S5700 with software V200R001C00, V200R002C00, V200R003C00, V200R005C00, V200R005C03, V200R007C00, V200R008C00, V200R009C00,S6300 with software V200R003C00, V200R005C00, V200R008C00, V200R009C00,S6700 with software V200R001C00, V200R001C01, V200R002C00, V200R003C00, V200R005C00, V200R008C00, V200R009C00,S7700 with software V200R007C00, V200R008C00, V200R009C00,S9300 with software V200R007C00, V200R008C00, V200R009C00,S9700 with software V200R007C00, V200R008C00, V200R009C00 and S12700 with software V200R007C00, V200R007C01, V200R008C00, V200R009C00
- 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-2016-8786 Denial of service in S12700, S5700, S6700, S7700, S9700
Sources
Also known as GHSA-jp56-w4w7-cm9r.