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The Hacker News - Cybersecurity News and Analysis: user agent

Google Partially Patches Flaw in Chrome for Android 3 Years After Disclosure

Google Partially Patches Flaw in Chrome for Android 3 Years After Disclosure

January 03, 2019Swati Khandelwal
Google has finally patched a privacy vulnerability in its Chrome web browser for Android that exposes users' device model and firmware version, eventually enabling remote attackers to identify unpatched devices and exploit known vulnerabilities. The vulnerability, which has not yet given any CVE number, is an information disclosure bug that resides in the way the Google Chrome for Android generates 'User Agent' string containing the Android version number and build tag information, which includes device name and its firmware build. This information is also sent to applications using WebView and Chrome Tabs APIs, which can be used to track users and fingerprint devices on which they are running. For example: Mozilla/5.0 (Linux; Android 5.1.1; Nexus 6 Build/LYZ28K ) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.2490.34 Mobile Safari/537.36 Yakov Shafranovich, a contributor at Nightwatch Cybersecurity firm, initially reported this issue to Google three years a
Unauthorized Access Backdoor found in D-Link router Firmware Code

Unauthorized Access Backdoor found in D-Link router Firmware Code

October 14, 2013Anonymous
A number of D-Link routers reportedly have an issue that makes them susceptible to unauthorized backdoor access . The researcher Craig, specialized on the embedded device hacking - demonstrated the presence of a backdoor within some DLink routers that allows an attacker to access the administration web interface of network devices without any authentication and view/change its settings. He found the backdoor inside the firmware v1 . 13 for the DIR-100 revA . Craig found and extracted the SquashFS file system loading firmware's web server file system (/bin/webs) into IDA.  Giving a look at the string listing, the Craig's attention was captured by a modified version of thttpd , the thttpd - alphanetworks /2.23, implemented to provide the rights to the administrative interface for the router.  The library is written by Alphanetworks, a spin-off company of D-Link, analyzing it Craig found many custom functions characterized by a name starting with suffix "alpha"
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