thodg/libgit2/AUTHORS
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Hash : 014d4955
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Date : 2019-02-20T15:30:11
apply: prevent OOB read when parsing source buffer When parsing the patch image from a string, we split the string by newlines to get a line-based view of it. To split, we use `memchr` on the buffer and limit the buffer length by the original length provided by the caller. This works just fine for the first line, but for every subsequent line we need to actually subtract the amount of bytes that we have already read. The above issue can be easily triggered by having a source buffer with at least two lines, where the second line does _not_ end in a newline. Given a string "foo\nb", we have an original length of five bytes. After having extracted the first line, we will point to 'b' and again try to `memchr(p, '\n', 5)`, resulting in an out-of-bounds read of four bytes. Fix the issue by correctly subtracting the amount of bytes already read.
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AUTHORS
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The following people contribute or have contributed to the libgit2 project (sorted alphabetically): Alex Budovski Alexei Sholik Andreas Ericsson Anton "antong" Gyllenberg Ankur Sethi Arthur Schreiber Ben Noordhuis Ben Straub Benjamin C Meyer Brian Downing Brian Lopez Carlos Martín Nieto Colin Timmermans Daniel Huckstep Dave Borowitz David Boyce David Glesser Dmitry Kakurin Dmitry Kovega Emeric Fermas Emmanuel Rodriguez Eric Myhre Erik Aigner Florian Forster Holger Weiss Ingmar Vanhassel J. David Ibáñez Jacques Germishuys Jakob Pfender Jason Penny Jason R. McNeil Jerome Lambourg Johan 't Hart John Wiegley Jonathan "Duke" Leto Julien Miotte Julio Espinoza-Sokal Justin Love Kelly "kelly.leahy" Leahy Kirill A. Shutemov Lambert CLARA Luc Bertrand Marc Pegon Marcel Groothuis Marco Villegas Michael "schu" Schubert Microsoft Corporation Olivier Ramonat Peter Drahoš Pierre Habouzit Pierre-Olivier Latour Przemyslaw Pawelczyk Ramsay Jones Robert G. Jakabosky Romain Geissler Romain Muller Russell Belfer Sakari Jokinen Samuel Charles "Sam" Day Sarath Lakshman Sascha Cunz Sascha Peilicke Scott Chacon Sebastian Schuberth Sergey Nikishin Shawn O. Pearce Shuhei Tanuma Steve Frécinaux Sven Strickroth Tim Branyen Tim Clem Tim Harder Torsten Bögershausen Trent Mick Vicent Marti