Vulnerability Details

Huawei Data Communication: Several Vulnerabilities in XMLparser Module of Huawei Products (huawei-sa-20180418-01-xmlparser)

Published: 2020-06-05 08:17:40

CVSS Base Vector:
AV:N/AC:L/Au:N/C:P/I:N/A:N

Detection Type:
Remote Banner

Solution Type:
Vendor Patch

Summary:
There are two memory leak vulnerabilities in XMLparser module of Huawei products.

Technical Details:
There are two memory leak vulnerabilities in XMLparser module of Huawei products. The vulnerability is due to incorrect handling of parameters. A local attacker could exploit this vulnerability by sending crafted parameters. A successful exploit could cause a memory leak and eventual denial of service (DoS) condition on an affected device. (Vulnerability ID: HWPSIRT-2017-04029 and HWPSIRT-2017-08243)There is a denial of service (DoS) vulnerability in XMLparser module of Huawei products. The vulnerability is due to lack of validation in XML document. A local attacker could exploit this vulnerability by crafting a malicious XML document. A successful exploit by the attacker could lead to resource exhaust and cause a DoS condition. (Vulnerability ID: HWPSIRT-2017-04030)There is a null pointer dereference vulnerability in XMLparser module of Huawei products. When the application 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. (Vulnerability ID: HWPSIRT-2017-04031)There are four out-of-bounds read vulnerabilities in XMLparser module of Huawei products. A local attacker may send crafted parameters in XML document to the affected products. Due to insufficient verification of the parameter, successful exploit will cause a DoS condition and the process reboot. (Vulnerability ID: HWPSIRT-2017-04032,HWPSIRT-2017-04074,HWPSIRT-2017-08244 and HWPSIRT-2017-08245)Huawei has released software updates to fix these vulnerabilities. This advisory is available in the linked references.

Impact:
By exploiting these vulnerabilities, an attacker can cause a memory leak and eventual denial of service (DoS) condition.

Affected Versions:
AR3200 versions V200R006C10 V200R006C11 V200R007C00 V200R007C01 V200R007C02 V200R008C00 V200R008C10 V200R008C20 V200R008C30 DP300 versions V500R002C00 TE30 versions V600R006C00 TE40 versions V600R006C00 TE50 versions V600R006C00 TE60 versions V600R006C00 USG9500 versions V500R001C00 V500R001C00SPC200 V500R001C00SPC300 V500R001C30

Recommendations:
See the referenced vendor advisory for a solution.

Detection Method:
Checks if a vulnerable version is present on the target host.

References:

https://www.huawei.com/en/psirt/security-advisories/huawei-sa-20180418-01-xmlparser-en

Severity
Medium
CVSS Score
5.0
Published
2020-06-05
Modified
2020-06-08
Category
Huawei

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