ftp: reject illegal IPport in PASV 227 response #1997

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bagder commented Oct 19, 2017

... by using range checks. Among other things, this avoids an undefined
behavior for a left shift that could happen on negative or very large
values.

Detected by OSS-fuzz: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=3694

ftp: reject illegal IPport in PASV 227 response
... by using range checks. Among other things, this avoids an undefined
behavior for a left shift that could happen on negative or very large
values.

Detected by OSS-fuzz: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=3694

@bagder bagder added the FTP label Oct 19, 2017

@bagder bagder closed this in 769647e Oct 20, 2017

@bagder bagder deleted the bagder/ftp-illegal-PASV-host branch Oct 21, 2017

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