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Current File : /usr/share/doc/git/RelNotes/2.14.6.txt

Git v2.14.6 Release Notes
=========================

This release addresses the security issues CVE-2019-1348,
CVE-2019-1349, CVE-2019-1350, CVE-2019-1351, CVE-2019-1352,
CVE-2019-1353, CVE-2019-1354, and CVE-2019-1387.

Fixes since v2.14.5
-------------------

 * CVE-2019-1348:
   The --export-marks option of git fast-import is exposed also via
   the in-stream command feature export-marks=... and it allows
   overwriting arbitrary paths.

 * CVE-2019-1349:
   When submodules are cloned recursively, under certain circumstances
   Git could be fooled into using the same Git directory twice. We now
   require the directory to be empty.

 * CVE-2019-1350:
   Incorrect quoting of command-line arguments allowed remote code
   execution during a recursive clone in conjunction with SSH URLs.

 * CVE-2019-1351:
   While the only permitted drive letters for physical drives on
   Windows are letters of the US-English alphabet, this restriction
   does not apply to virtual drives assigned via subst <letter>:
   <path>. Git mistook such paths for relative paths, allowing writing
   outside of the worktree while cloning.

 * CVE-2019-1352:
   Git was unaware of NTFS Alternate Data Streams, allowing files
   inside the .git/ directory to be overwritten during a clone.

 * CVE-2019-1353:
   When running Git in the Windows Subsystem for Linux (also known as
   "WSL") while accessing a working directory on a regular Windows
   drive, none of the NTFS protections were active.

 * CVE-2019-1354:
   Filenames on Linux/Unix can contain backslashes. On Windows,
   backslashes are directory separators. Git did not use to refuse to
   write out tracked files with such filenames.

 * CVE-2019-1387:
   Recursive clones are currently affected by a vulnerability that is
   caused by too-lax validation of submodule names, allowing very
   targeted attacks via remote code execution in recursive clones.

Credit for finding these vulnerabilities goes to Microsoft Security
Response Center, in particular to Nicolas Joly. The `fast-import`
fixes were provided by Jeff King, the other fixes by Johannes
Schindelin with help from Garima Singh.

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