Overview

Request 828563 accepted

- Update to version 0.18
- Fixes an important symlink handling bug in ch-tug and ch-grow.
Prior to version 0.18, if a pulled image contained a symlink in one
layer and then a regular file at the same path in a subsequent layer,
the *target* of the symlink would be overwritten even if it was
not within the image; i.e., unpacking inappropriately followed
the symlink. This allows a crafted image to overwrite any file
writeable by the invoking user.
Because Charliecloud is unprivileged, other files on the system,
e.g. system files, are unaffected.
- ch-grow: --version and --help work w/o dependencies installed
new switch --list to list images
now gives diagnostics for syntax errors and unsupported instructions
WORKDIR now supports relative paths (#786)
no longer crashes if input doesn’t end in newline (#474)
- miscellaneous bug fixes and improvements
- Full changelogs at https://groups.io/g/charliecloud/message/104
and https://groups.io/g/charliecloud/message/105
- Replace python2-base with python3-base.
- Update recommends used by ch-grow/ch-build
- Readd patch for hardcoded paths:
* Replace-hardcode-path.patch

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Request History
Ana Guerrero's avatar

anag created request

- Update to version 0.18
- Fixes an important symlink handling bug in ch-tug and ch-grow.
Prior to version 0.18, if a pulled image contained a symlink in one
layer and then a regular file at the same path in a subsequent layer,
the *target* of the symlink would be overwritten even if it was
not within the image; i.e., unpacking inappropriately followed
the symlink. This allows a crafted image to overwrite any file
writeable by the invoking user.
Because Charliecloud is unprivileged, other files on the system,
e.g. system files, are unaffected.
- ch-grow: --version and --help work w/o dependencies installed
new switch --list to list images
now gives diagnostics for syntax errors and unsupported instructions
WORKDIR now supports relative paths (#786)
no longer crashes if input doesn’t end in newline (#474)
- miscellaneous bug fixes and improvements
- Full changelogs at https://groups.io/g/charliecloud/message/104
and https://groups.io/g/charliecloud/message/105
- Replace python2-base with python3-base.
- Update recommends used by ch-grow/ch-build
- Readd patch for hardcoded paths:
* Replace-hardcode-path.patch


Ana Guerrero's avatar

anag accepted request

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