D-Link / Netgear FIRMADYNE Command Injection / Buffer Overflow

2016.02.27
Credit: Dominic
Risk: High
Local: No
Remote: Yes


Ogólna skala CVSS: 5/10
Znaczenie: 2.9/10
Łatwość wykorzystania: 10/10
Wymagany dostęp: Zdalny
Złożoność ataku: Niska
Autoryzacja: Nie wymagana
Wpływ na poufność: Częściowy
Wpływ na integralność: Brak
Wpływ na dostępność: Brak

Hello, We?d like to report several vulnerabilities in embedded devices developed by D-Link and Netgear, which were discovered using our FIRMADYNE framework for emulation and dynamic analysis of Linux-based embedded devices. For more information, refer to our academic paper and open-source release at https://github.com/firmadyne/firmadyne. Several Netgear devices include unauthenticated webpages that pass form input directly to the command-line, allowing for a command injection attack in `boardData102.php`, `boardData103.php`, `boardDataJP.php`, `boardDataNA.php`, and `boardDataWW.php`. This has been assigned CVE-2016-1555. Affected devices include: Netgear WN604 Netgear WN802Tv2 Netgear WNAP210 Netgear WNAP320 Netgear WNDAP350 Netgear WNDAP360 Several D-Link devices include a web server that is vulnerable to a buffer overflow while parsing the 'dlink_uid' cookie. The length of the value set in the cookie is obtained using strlen(), which is then passed to memcpy(), and the value is copied into a fixed-size buffer. This has been assigned CVE-2016-1558. Affected devices include: D-Link DAP-2310 D-Link DAP-2330 D-Link DAP-2360 D-Link DAP-2553 D-Link DAP-2660 D-Link DAP-2690 D-Link DAP-2695 Several Netgear devices include unauthenticated webpages that disclose the wireless WPS PIN, allowing for information disclosure. This has been assigned CVE-2016-1556. Affected devices include: Netgear WN604 Netgear WNAP210 Netgear WNAP320 Netgear WND930 Netgear WNDAP350 Netgear WNDAP360 Several devices by both D-Link and Netgear disclose wireless passwords and administrative usernames/passwords over SNMP, including OID?s iso.3.6.1.4.1.171.10.37.35.2.1.3.3.2.1.1.4, iso.3.6.1.4.1.171.10.37.38.2.1.3.3.2.1.1.4, iso.3.6.1.4.1.171.10.37.35.4.1.1.1, iso.3.6.1.4.1.171.10.37.37.4.1.1.1, iso.3.6.1.4.1.171.10.37.38.4.1.1.1, iso.3.6.1.4.1.4526.100.7.8.1.5, iso.3.6.1.4.1.4526.100.7.9.1.5, iso.3.6.1.4.1.4526.100.7.9.1.7, and iso.3.6.1.4.1.4526.100.7.10.1.7. This has been assigned CVE-2016-1557 for Netgear devices, and CVE-2016-1559 for D-Link devices. Affected devices include: D-Link DAP-1353 D-Link DAP-2553 D-Link DAP-3520 Netgear WNAP320 Netgear WNDAP350 Netgear WNDAP360 We have not heard back from D-Link after contacting the vendor. Netgear will fix WN604 with firmware 3.3.3 by late February, but the tentative ETA for the remaining devices is mid-March. Thanks, Dominic


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