Asus RT-N300 up to 380.67_0RT-AC5300 httpd delete_offline_client memory corruption

Summaryinfo

A vulnerability identified as critical has been detected in Asus RT-AC88U, RT-AC66U, RT-AC66U_B1, RT-AC58U, RT-AC56U, RT-AC55U, RT-AC52U, RT-AC51U, RT-N18U, RT-N66U, RT-N56U, RT-AC3200, RT-AC3100, RT_AC1200GU, RT_AC1200G, RT-AC1200, RT-AC53, RT-N12HP, RT-N12HP_B1, RT-N12D1, RT-N12+, RT_N12+_PRO, RT-N16 and RT-N300 up to 380.67_0RT-AC5300. This impacts an unknown function of the component httpd. The manipulation of the argument delete_offline_client as part of HTTP GET Request leads to memory corruption. This vulnerability is documented as CVE-2017-12754. The attack can be initiated remotely. There is not any exploit available. It is recommended to apply restrictive firewalling.

Detailsinfo

A vulnerability was found in Asus RT-AC88U, RT-AC66U, RT-AC66U_B1, RT-AC58U, RT-AC56U, RT-AC55U, RT-AC52U, RT-AC51U, RT-N18U, RT-N66U, RT-N56U, RT-AC3200, RT-AC3100, RT_AC1200GU, RT_AC1200G, RT-AC1200, RT-AC53, RT-N12HP, RT-N12HP_B1, RT-N12D1, RT-N12+, RT_N12+_PRO, RT-N16 and RT-N300 up to 380.67_0RT-AC5300. It has been rated as critical. This issue affects some unknown functionality of the component httpd. The manipulation of the argument delete_offline_client as part of a HTTP GET Request leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Stack buffer overflow in httpd in Asuswrt-Merlin firmware 380.67_0RT-AC5300 and earlier for ASUS devices and ASUS firmware for ASUS RT-AC5300, RT_AC1900P, RT-AC68U, RT-AC68P, RT-AC88U, RT-AC66U, RT-AC66U_B1, RT-AC58U, RT-AC56U, RT-AC55U, RT-AC52U, RT-AC51U, RT-N18U, RT-N66U, RT-N56U, RT-AC3200, RT-AC3100, RT_AC1200GU, RT_AC1200G, RT-AC1200, RT-AC53, RT-N12HP, RT-N12HP_B1, RT-N12D1, RT-N12+, RT_N12+_PRO, RT-N16, and RT-N300 devices allows remote attackers to execute arbitrary code on the router by sending a crafted http GET request packet that includes a long delete_offline_client parameter in the url.

The bug was discovered 08/09/2017. The weakness was released 08/09/2017 (Website). It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2017-12754 since 08/09/2017. The attack may be initiated remotely. A simple authentication is required for exploitation. Technical details of the vulnerability are known, but there is no available exploit.

Addressing this vulnerability is possible by firewalling . Attack attempts may be identified with Snort ID 45412.

Entries connected to this vulnerability are available at VDB-97734, VDB-97735, VDB-103657 and VDB-103658. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

• Asus

Name

• RT-AC51U
• RT-AC52U
• RT-AC53
• RT-AC55U
• RT-AC56U
• RT-AC58U
• RT-AC66U
• RT-AC66U_B1
• RT-AC88U
• RT-AC1200
• RT-AC3100
• RT-AC3200
• RT-N12+
• RT-N12D1
• RT-N12HP
• RT-N12HP_B1
• RT-N16
• RT-N18U
• RT-N56U
• RT-N66U
• RT-N300
• RT_AC1200G
• RT_AC1200GU
• RT_N12+_PRO

Version

• 380

License

• commercial

Website

• Vendor: https://www.asus.com/

CPE 2.3info

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