Xiaomi Mi WiFi R3G up to 2.28.22 Backup File /tmp/speedtest_urls.xml input validation

Summaryinfo

A vulnerability marked as critical has been reported in Xiaomi Mi WiFi R3G up to 2.28.22. This affects an unknown part of the file /tmp/speedtest_urls.xml of the component Backup File Handler. The manipulation leads to input validation. This vulnerability is listed as CVE-2019-18370. The attack may be initiated remotely. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability was found in Xiaomi Mi WiFi R3G up to 2.28.22 (Wireless LAN Software) and classified as critical. This issue affects an unknown code of the file /tmp/speedtest_urls.xml of the component Backup File Handler. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

An issue was discovered on Xiaomi Mi WiFi R3G devices before 2.28.23-stable. The backup file is in tar.gz format. After uploading, the application uses the tar zxf command to decompress, so one can control the contents of the files in the decompressed directory. In addition, the application's sh script for testing upload and download speeds reads a URL list from /tmp/speedtest_urls.xml, and there is a command injection vulnerability, as demonstrated by api/xqnetdetect/netspeed.

The weakness was presented 10/23/2019. The identification of this vulnerability is CVE-2019-18370 since 10/23/2019. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details are known, but no exploit is available.

By approaching the search of inurl:tmp/speedtest_urls.xml it is possible to find vulnerable targets with Google Hacking.

Upgrading to version 2.28.23-stable eliminates this vulnerability.

See VDB-144114 for similar entry. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

• Wireless LAN Software

Vendor

• Xiaomi

Name

• Mi WiFi R3G

Version

• 2.28.0
• 2.28.1
• 2.28.2
• 2.28.3
• 2.28.4
• 2.28.5
• 2.28.6
• 2.28.7
• 2.28.8
• 2.28.9
• 2.28.10
• 2.28.11
• 2.28.12
• 2.28.13
• 2.28.14
• 2.28.15
• 2.28.16
• 2.28.17
• 2.28.18
• 2.28.19
• 2.28.20
• 2.28.21
• 2.28.22

License

• open-source

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

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Entryinfo

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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