https://bugs.documentfoundation.org/show_bug.cgi?id=118514
Bug ID: 118514
Summary: overflow at realpath()
Product: LibreOffice
Version: unspecified
Hardware: All
OS: All
Status: UNCONFIRMED
Severity: normal
Priority: medium
Component: LibreOffice
Assignee: [email protected]
Reporter: [email protected]
File:
https://github.com/LibreOffice/core/blob/master/desktop/unx/source/start.c#L191
This function does not protect against buffer overflows, and some
implementations can overflow internally.
Ensure that the destination buffer is at least of size MAXPATHLEN, andto
protect against implementation problems, the input argument should also be
checked to ensure it is no larger than MAXPATHLEN.
According to the documentation of realpath() the output buffer needs to be at
least of size PATH_MAX specifying output buffers large enough to handle the
maximum-size possible result from path manipulation functions.
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