Closed
Bug 1223168
Opened 9 years ago
Closed 9 years ago
Command Injection using CSV export
Categories
(Thunderbird :: Security, defect)
Thunderbird
Security
Tracking
(Not tracked)
RESOLVED
INVALID
People
(Reporter: shahmeerbond, Unassigned)
Details
User Agent: Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.2490.80 Safari/537.36 OPR/33.0.1990.58 Steps to reproduce: Hello there Mozilla team This is Shahmeer and i would like to report a command injection vulnerability in the thunderbird CSV export feature described in As a malicious user, I can add the following payload to an email field in the CSV "=1+1" Actual results: As a legitimate user, when one downloads CSV file containing the payload He now open this CSV file in excel or another spreadsheet program You can see the cell containing the Note field in is displayed as "2" which means the code is executed. Expected results: The CSV should have been filtered, This import can cause Remote command injection using thunderbird
Comment 1•9 years ago
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CSV is a data format that contain arbitrary strings. That's not unexpected or a problem. If Excel is executing imported CSV as formulas, that might be an issue for Excel.
Group: mail-core-security
Status: UNCONFIRMED → RESOLVED
Closed: 9 years ago
Resolution: --- → INVALID
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Description
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