diff options
Diffstat (limited to 'test/Tests')
| -rw-r--r-- | test/Tests/MediaBag.hs | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/test/Tests/MediaBag.hs b/test/Tests/MediaBag.hs index 65b6716d9..4cb4ab807 100644 --- a/test/Tests/MediaBag.hs +++ b/test/Tests/MediaBag.hs @@ -20,7 +20,7 @@ tests = [ let d = B.doc $ B.para (B.image "../../test/lalune.jpg" "" mempty) <> B.para (B.image "moon.jpg" "" mempty) <> - B.para (B.image "data://image/png;base64,cHJpbnQgImhlbGxvIgo=;.lua+%2f%2e%2e%2f%2e%2e%2fa%2elua" "" mempty) <> + B.para (B.image "data:image/png;base64,cHJpbnQgImhlbGxvIgo=;.lua+%2f%2e%2e%2f%2e%2e%2fa%2elua" "" mempty) <> B.para (B.image "data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" "" mempty) runIOorExplode $ do fillMediaBag d @@ -35,4 +35,14 @@ tests = [ (exists3 && not exists4) exists5 <- doesFileExist ("foo" </> "d5fceb6532643d0d84ffe09c40c481ecdf59e15a.gif") assertBool "data uri with gif is not properly decoded" exists5 + -- double-encoded version: + let e = B.doc $ + B.para (B.image "data:image/png;base64,cHJpbnQgInB3bmVkIgo=;.lua+%252f%252e%252e%252f%252e%252e%252fb%252elua" "" mempty) + runIOorExplode $ do + fillMediaBag e + extractMedia "bar" e + exists6 <- doesFileExist ("bar" </> "772ceca21a2751863ec46cb23db0e7fc35b9cff8.png") + exists7 <- doesFileExist "b.lua" + assertBool "data uri with double-encoded malicious payload gets written outside of destination dir" + (exists6 && not exists7) ] |