VWE-2017-3979
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Current Revision
April 8, 2018, 11:30 PM
Differences in Content
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[template]Vulnerability
| cve=
| aka=
| issueid=5026
| severity=High
| difficulty=Easy -
-
| description=Decompression Bomb. Does not affect VaultWiki Lite. -
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| description=Decompression Bomb.
| lite=no -
| discover-date=Related issue: April 28, 2017
Proof of concept: August 9, 2017
| patch-date=September 13, 2017
| patches=4.0.19 Patch Level 1
4.0.18 Patch Level 2
4.0.17 Patch Level 4
4.0.16 Patch Level 5
4.0.15 Patch Level 9
4.0.14 Patch Level 12
| workaround=For versions 4.0.14 and later, perform the following:
[list=1][*]Set Options > VaultWiki: Content Types > Maximum Disk Usage for All Attachments (MB) = 0. This will reject all new uploads.
[*]Set Options > VaultWiki: Miscellaneous > Maximum Disk Usage for All Proxy Images (MB) = 0. This will disable the external image proxy.[/list]
After applying a patch, restore these settings to reactivate uploads and proxying.
There is no workaround for versions 4.0.13 and earlier. They are no longer supported; update to a more recent version and perform the steps above.[/template]