medium
5.5
CWE
476
Advisory Published
Updated

CVE-2019-5256: Null Pointer Dereference

First published: Fri Dec 13 2019(Updated: )

Certain Huawei products (AP2000;IPS Module;NGFW Module;NIP6300;NIP6600;NIP6800;S5700;SVN5600;SVN5800;SVN5800-C;SeMG9811;Secospace AntiDDoS8000;Secospace USG6300;Secospace USG6500;Secospace USG6600;USG6000V;eSpace U1981) have a null pointer dereference vulnerability. The system dereferences a pointer that it expects to be valid, but is NULL. A local attacker could exploit this vulnerability by sending crafted parameters. A successful exploit could cause a denial of service and the process reboot.

Credit: psirt@huawei.com

Affected SoftwareAffected VersionHow to fix
Huawei AP2000 firmware=v200r005c30
Huawei AP2000 firmware=v200r006c10
Huawei AP2000 firmware=v200r006c20
Huawei AP2000 firmware=v200r007c10
Huawei AP2000 firmware=v200r007c20
Huawei AP2000 firmware=v200r008c00
Huawei AP2000 firmware=v200r008c10
Huawei AP2000 firmware=v200r009c00
Huawei AP2000 firmware
Huawei IPS firmware=v500r001c00spc300
Huawei IPS firmware=v500r001c00spc500
Huawei IPS firmware=v500r001c00sph303
Huawei IPS firmware=v500r001c00sph508
Huawei IPS firmware=v500r001c20
Huawei IPS firmware=v500r001c20spc100
Huawei IPS firmware=v500r001c20spc100pwe
Huawei IPS firmware=v500r001c20spc200
Huawei IPS firmware=v500r001c20spc200b062
Huawei IPS firmware=v500r001c20spc200pwe
Huawei IPS firmware=v500r001c20spc300b078
Huawei IPS firmware=v500r001c20spc300pwe
Huawei IPS firmware=v500r001c30
Huawei IPS firmware=v500r001c30spc100
Huawei IPS firmware=v500r001c30spc100pwe
Huawei IPS firmware=v500r001c30spc200
Huawei IPS firmware=v500r001c30spc200pwe
Huawei IPS firmware=v500r001c30spc300
Huawei IPS firmware=v500r001c50
Huawei IPS firmware=v500r001c50pwe
Huawei IPS firmware=v500r001c80
Huawei IPS firmware=v500r005c00
Huawei IPS
Huawei NGFW Module firmware=v500r001c00spc300
Huawei NGFW Module firmware=v500r001c00spc500
Huawei NGFW Module firmware=v500r001c00spc500pwe
Huawei NGFW Module firmware=v500r001c00sph303
Huawei NGFW Module firmware=v500r001c00sph508
Huawei NGFW Module firmware=v500r001c20
Huawei NGFW Module firmware=v500r001c20spc100
Huawei NGFW Module firmware=v500r001c20spc100pwe
Huawei NGFW Module firmware=v500r001c20spc200
Huawei NGFW Module firmware=v500r001c20spc200b062
Huawei NGFW Module firmware=v500r001c20spc200pwe
Huawei NGFW Module firmware=v500r001c20spc300b078
Huawei NGFW Module firmware=v500r001c20spc300pwe
Huawei NGFW Module firmware=v500r002c00
Huawei NGFW Module firmware=v500r002c00spc100
Huawei NGFW Module firmware=v500r002c00spc100pwe
Huawei NGFW Module firmware=v500r002c00spc200
Huawei NGFW Module firmware=v500r002c00spc200pwe
Huawei NGFW Module firmware=v500r002c00spc300
Huawei NGFW Module firmware=v500r002c10
Huawei NGFW Module firmware=v500r002c10pwe
Huawei NGFW Module firmware=v500r002c30
Huawei NGFW Module firmware=v500r002c30pwe
Huawei NGFW Module firmware=v500r005c00
Huawei NGFW Module firmware
Huawei NIP6300 firmware=v500r001c00spc300
Huawei NIP6300 firmware=v500r001c00spc500
Huawei NIP6300 firmware=v500r001c00sph303
Huawei NIP6300 firmware=v500r001c00sph508
Huawei NIP6300 firmware=v500r001c20
Huawei NIP6300 firmware=v500r001c20spc100
Huawei NIP6300 firmware=v500r001c20spc100pwe
Huawei NIP6300 firmware=v500r001c20spc200
Huawei NIP6300 firmware=v500r001c20spc200b062
Huawei NIP6300 firmware=v500r001c20spc200pwe
Huawei NIP6300 firmware=v500r001c20spc300b078
Huawei NIP6300 firmware=v500r001c20spc300pwe
Huawei NIP6300 firmware=v500r001c30
Huawei NIP6300 firmware=v500r001c30spc100
Huawei NIP6300 firmware=v500r001c30spc100pwe
Huawei NIP6300 firmware=v500r001c30spc200
Huawei NIP6300 firmware=v500r001c30spc200pwe
Huawei NIP6300 firmware=v500r001c30spc300
Huawei NIP6300 firmware=v500r001c50
Huawei NIP6300 firmware=v500r001c50pwe
Huawei NIP6300 firmware=v500r001c80
Huawei NIP6300 firmware=v500r005c00
Huawei NIP6300 firmware
Huawei NIP6600=v500r001c00spc300
Huawei NIP6600=v500r001c00spc500
Huawei NIP6600=v500r001c00sph303
Huawei NIP6600=v500r001c00sph508
Huawei NIP6600=v500r001c20
Huawei NIP6600=v500r001c20spc100
Huawei NIP6600=v500r001c20spc100pwe
Huawei NIP6600=v500r001c20spc200
Huawei NIP6600=v500r001c20spc200b062
Huawei NIP6600=v500r001c20spc200pwe
Huawei NIP6600=v500r001c20spc300b078
Huawei NIP6600=v500r001c30
Huawei NIP6600=v500r001c30spc100
Huawei NIP6600=v500r001c30spc100pwe
Huawei NIP6600=v500r001c30spc200
Huawei NIP6600=v500r001c30spc200pwe
Huawei NIP6600=v500r001c30spc300
Huawei NIP6600=v500r001c50
Huawei NIP6600=v500r001c50pwe
Huawei NIP6600=v500r001c80
Huawei NIP6600=v500r005c00
Huawei NIP6600 firmware
Huawei NIP6800 Firmware=v500r001c50
Huawei NIP6800 Firmware=v500r001c50pwe
Huawei NIP6800 Firmware=v500r001c80
Huawei NIP6800 Firmware=v500r005c00
Huawei NIP6800 Firmware
Huawei Campus S5700 firmware=v200r005c03
Huawei S5700 Firmware
Huawei SVN5600 firmware=v200r003c00spc100
Huawei SVN5600
Huawei SVN5800 firmware=v200r003c00spc100
Huawei SVN5800
Huawei SVN5800-C firmware=v200r003c00spc100
Huawei SVN5800-C
Huawei SeMG9811=v500r002c20
Huawei SeMG9811=v500r002c30
Huawei SeMG9811=v500r005c00
Huawei SeMG9811 firmware
Huawei Secospace AntiDDoS8000=v500r001c00
Huawei Secospace AntiDDoS8000=v500r001c00spc200
Huawei Secospace AntiDDoS8000=v500r001c00spc300
Huawei Secospace AntiDDoS8000=v500r001c00spc500
Huawei Secospace AntiDDoS8000=v500r001c00spc600
Huawei Secospace AntiDDoS8000=v500r001c00spc700
Huawei Secospace AntiDDoS8000=v500r001c00sph303
Huawei Secospace AntiDDoS8000=v500r001c20spc200
Huawei Secospace AntiDDoS8000=v500r001c20spc300
Huawei Secospace AntiDDoS8000=v500r001c20spc500
Huawei Secospace AntiDDoS8000=v500r001c20spc600
Huawei Secospace AntiDDoS8000=v500r001c60spc100
Huawei Secospace AntiDDoS8000=v500r001c60spc101
Huawei Secospace AntiDDoS8000=v500r001c60spc200
Huawei Secospace AntiDDoS8000=v500r001c60spc300
Huawei Secospace AntiDDoS8000=v500r001c60spc500
Huawei Secospace AntiDDoS8000=v500r001c60spc600
Huawei Secospace AntiDDoS8000=v500r005c00
Huawei Secospace AntiDDoS8000=v500r005c00spc100
Huawei Secospace AntiDDoS8000
Huawei USG6300E firmware=v100r001c20spc100
Huawei USG6300E firmware=v500r001c00spc300
Huawei USG6300E firmware=v500r001c00spc500
Huawei USG6300E firmware=v500r001c00spc500pwe
Huawei USG6300E firmware=v500r001c00sph303
Huawei USG6300E firmware=v500r001c00sph508
Huawei USG6300E firmware=v500r001c20
Huawei USG6300E firmware=v500r001c20spc100
Huawei USG6300E firmware=v500r001c20spc100pwe
Huawei USG6300E firmware=v500r001c20spc101
Huawei USG6300E firmware=v500r001c20spc200
Huawei USG6300E firmware=v500r001c20spc200b062
Huawei USG6300E firmware=v500r001c20spc200pwe
Huawei USG6300E firmware=v500r001c20spc300b078
Huawei USG6300E firmware=v500r001c20spc300pwe
Huawei USG6300E firmware=v500r001c30
Huawei USG6300E firmware=v500r001c30spc100
Huawei USG6300E firmware=v500r001c30spc100pwe
Huawei USG6300E firmware=v500r001c30spc200
Huawei USG6300E firmware=v500r001c30spc200pwe
Huawei USG6300E firmware=v500r001c30spc300
Huawei USG6300E firmware=v500r001c50
Huawei USG6300E firmware=v500r001c50pwe
Huawei USG6300E firmware=v500r001c80
Huawei USG6300E firmware=v500r001c80pwe
Huawei USG6300E firmware=v500r005c00
Huawei Secospace USG6300 firmware
Huawei Secospace USG6500=v100r001c20spc100
Huawei Secospace USG6500=v500r001c00spc300
Huawei Secospace USG6500=v500r001c00spc500
Huawei Secospace USG6500=v500r001c00spc500pwe
Huawei Secospace USG6500=v500r001c00sph303
Huawei Secospace USG6500=v500r001c00sph508
Huawei Secospace USG6500=v500r001c20
Huawei Secospace USG6500=v500r001c20spc100
Huawei Secospace USG6500=v500r001c20spc100pwe
Huawei Secospace USG6500=v500r001c20spc101
Huawei Secospace USG6500=v500r001c20spc200
Huawei Secospace USG6500=v500r001c20spc200b062
Huawei Secospace USG6500=v500r001c20spc200pwe
Huawei Secospace USG6500=v500r001c20spc300b078
Huawei Secospace USG6500=v500r001c20spc300pwe
Huawei Secospace USG6500=v500r001c30
Huawei Secospace USG6500=v500r001c30spc100
Huawei Secospace USG6500=v500r001c30spc100pwe
Huawei Secospace USG6500=v500r001c30spc200
Huawei Secospace USG6500=v500r001c30spc200pwe
Huawei Secospace USG6500=v500r001c30spc300
Huawei Secospace USG6500=v500r001c50
Huawei Secospace USG6500=v500r001c50pwe
Huawei Secospace USG6500=v500r001c80
Huawei Secospace USG6500=v500r001c80pwe
Huawei Secospace USG6500=v500r005c00
Huawei Secospace USG6500 firmware
Huawei Secospace USG6600 firmware=v100r001c00spc200
Huawei Secospace USG6600 firmware=v100r001c10spc200
Huawei Secospace USG6600 firmware=v100r001c10spc201
Huawei Secospace USG6600 firmware=v100r001c20spc100
Huawei Secospace USG6600 firmware=v100r001c20spc200
Huawei Secospace USG6600 firmware=v500r001c00
Huawei Secospace USG6600 firmware=v500r001c00spc050
Huawei Secospace USG6600 firmware=v500r001c00spc090
Huawei Secospace USG6600 firmware=v500r001c00spc300
Huawei Secospace USG6600 firmware=v500r001c00spc500
Huawei Secospace USG6600 firmware=v500r001c00spc500pwe
Huawei Secospace USG6600 firmware=v500r001c00sph303
Huawei Secospace USG6600 firmware=v500r001c20
Huawei Secospace USG6600 firmware=v500r001c20spc100
Huawei Secospace USG6600 firmware=v500r001c20spc100pwe
Huawei Secospace USG6600 firmware=v500r001c20spc101
Huawei Secospace USG6600 firmware=v500r001c20spc200
Huawei Secospace USG6600 firmware=v500r001c20spc200pwe
Huawei Secospace USG6600 firmware=v500r001c20spc300
Huawei Secospace USG6600 firmware=v500r001c20spc300b078
Huawei Secospace USG6600 firmware=v500r001c20spc300pwe
Huawei Secospace USG6600 firmware=v500r001c30
Huawei Secospace USG6600 firmware=v500r001c30spc100
Huawei Secospace USG6600 firmware=v500r001c30spc100pwe
Huawei Secospace USG6600 firmware=v500r001c30spc200
Huawei Secospace USG6600 firmware=v500r001c30spc200pwe
Huawei Secospace USG6600 firmware=v500r001c30spc300
Huawei Secospace USG6600 firmware=v500r001c30spc500
Huawei Secospace USG6600 firmware=v500r001c30spc600
Huawei Secospace USG6600 firmware=v500r001c30spc600pwe
Huawei Secospace USG6600 firmware=v500r001c30spc601
Huawei Secospace USG6600 firmware=v500r001c50
Huawei Secospace USG6600 firmware=v500r001c50pwe
Huawei Secospace USG6600 firmware=v500r001c50spc009
Huawei Secospace USG6600 firmware=v500r001c50spc100
Huawei Secospace USG6600 firmware=v500r001c50spc100pwe
Huawei Secospace USG6600 firmware=v500r001c50spc200
Huawei Secospace USG6600 firmware=v500r001c50spc200pwe
Huawei Secospace USG6600 firmware=v500r001c50spc300
Huawei Secospace USG6600 firmware=v500r001c60
Huawei Secospace USG6600 firmware=v500r001c60spc100
Huawei Secospace USG6600 firmware=v500r001c60spc100pwe
Huawei Secospace USG6600 firmware=v500r001c60spc200
Huawei Secospace USG6600 firmware=v500r001c60spc200pwe
Huawei Secospace USG6600 firmware=v500r001c60spc300
Huawei Secospace USG6600 firmware=v500r001c60spc500
Huawei Secospace USG6600 firmware=v500r001c80
Huawei Secospace USG6600 firmware=v500r001c80pwe
Huawei Secospace USG6600 firmware=v500r005c00
Huawei Secospace USG6600 firmware=v500r005c00spc100
Huawei Secospace USG6600 firmware=v500r005c00spc102
Huawei Secospace USG6600 firmware
Huawei USG6000V firmware=v500r001c10
Huawei USG6000V firmware=v500r001c10spc100
Huawei USG6000V firmware=v500r001c10spc200
Huawei USG6000V firmware=v500r001c20
Huawei USG6000V firmware=v500r001c20spc100
Huawei USG6000V firmware=v500r001c20spc200
Huawei USG6000V firmware=v500r001c20spc300
Huawei USG6000V firmware=v500r001c20spc500
Huawei USG6000V firmware=v500r001c20spc600
Huawei USG6000V firmware=v500r003c00
Huawei USG6000V firmware=v500r003c00spc100
Huawei USG6000V firmware=v500r005c00
Huawei USG6000V firmware=v500r005c00spc100
Huawei USG6000V firmware
Huawei eSpace U1981=v200r003c50spc700
Huawei eSpace unified gateway U1981

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Reference Links

Frequently Asked Questions

  • What is the severity of CVE-2019-5256?

    CVE-2019-5256 is rated as critical due to the potential for remote code execution.

  • How do I fix CVE-2019-5256?

    To fix CVE-2019-5256, ensure that you update your Huawei products to the latest firmware version provided by Huawei.

  • Which Huawei products are affected by CVE-2019-5256?

    CVE-2019-5256 affects various Huawei products, including the AP2000, IPS Module, and Secospace USG series.

  • What type of vulnerability is CVE-2019-5256?

    CVE-2019-5256 is a null pointer dereference vulnerability that may allow an attacker to exploit the system.

  • Is there a workaround for CVE-2019-5256?

    Currently, the recommended workaround for CVE-2019-5256 is to apply the necessary firmware updates as no other mitigation is available.

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