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Bug 1330285 - (CVE-2016-2817) CVE-2016-2817 Mozilla: Elevation of privilege with chrome.tabs.update API in web extensions (MFSA 2016-46)
CVE-2016-2817 Mozilla: Elevation of privilege with chrome.tabs.update API in ...
Status: CLOSED NOTABUG
Product: Security Response
Classification: Other
Component: vulnerability (Show other bugs)
unspecified
All Linux
medium Severity medium
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Assigned To: Red Hat Product Security
impact=moderate,public=20160426,repor...
: Security
Depends On:
Blocks: 1306172
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Reported: 2016-04-25 15:04 EDT by Siddharth Sharma
Modified: 2016-05-09 00:52 EDT (History)
1 user (show)

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Doc Type: Bug Fix
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Last Closed: 2016-05-09 00:52:28 EDT
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Description Siddharth Sharma 2016-04-25 15:04:23 EDT
Security researcher Muneaki Nishimura (nishimunea) of Recruit Technologies Co., Ltd. reported that the chrome.tabs.update API for web extensions allows for navigation to javascript: URLs without additional permissions. This can used to elevate privilege for a universal cross-site scripting (XSS) attack by a malicious web extension. It can also be used to inject content into other extensions if they load content within browser tabs. 

External Reference:

https://www.mozilla.org/security/announce/2016/mfsa2016-46.html
Comment 1 Siddharth Sharma 2016-04-25 15:04:30 EDT
Acknowledgments:

Name: the Mozilla project
Upstream: Muneaki Nishimura

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