VWE-2018-4620 Printable Version

https://www.vaultwiki.org/pages/Book/Documentation/VWE-2018-4620
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- Created by
  pegasus
  on July 18, 2018

Common Name None
VWE-ID VWE-2018-4620
Related Report None
Severity HIGH
Exploit Difficulty EASY
Platform Affects all platforms supported by the vulnerable versions.
Description Legal. Under some versions of PHP, a user may be able to successfully upload a JPG image containing XMP metadata that is not preserved in resized versions of the image. Does not affect Lite versions.

Discovered July 18, 2018
Resolved July 18, 2018
Patches Available 4.0.23 Patch Level 1
4.0.22 Patch Level 3
4.0.21 Patch Level 4
4.0.20 Patch Level 7
4.0.19 Patch Level 10
Workaround In the Wiki admin panel, go to Content > Attachments, and for all filetypes with a JPG-related mime-type, set "Is this an image type?" = No.
The versions listed below are known to be affected by this issue. If you are using one of those versions, you should update to a newer release that has no known vulnerabilities.

Common Name	None
VWE-ID	VWE-2018-4620
Related Report	None
Severity	HIGH
Exploit Difficulty	EASY
Platform	Affects all platforms supported by the vulnerable versions.
Description	Legal. Under some versions of PHP, a user may be able to successfully upload a JPG image containing XMP metadata that is not preserved in resized versions of the image. Does not affect Lite versions.
Discovered	July 18, 2018
Resolved	July 18, 2018
Patches Available	4.0.23 Patch Level 1 4.0.22 Patch Level 3 4.0.21 Patch Level 4 4.0.20 Patch Level 7 4.0.19 Patch Level 10
Workaround	In the Wiki admin panel, go to Content > Attachments, and for all filetypes with a JPG-related mime-type, set "Is this an image type?" = No.