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4542c745a6
Fixes the following security issues:
- CVE-2020-7046: Truncated UTF-8 can be used to DoS submission-login and
lmtp processes
lib-smtp doesn't handle truncated command parameters properly, resulting
in infinite loop taking 100% CPU for the process. This happens for LMTP
(where it doesn't matter so much) and also for submission-login where
unauthenticated users can trigger it.
- CVE-2020-7957: Specially crafted mail can crash snippet generation
Snippet generation crashes if:
- message is large enough that message-parser returns multiple body
blocks
- The first block(s) don't contain the full snippet (e.g. full of
whitespace)
- input ends with '>'
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
(cherry picked from commit 250535975d)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
Buildroot is a simple, efficient and easy-to-use tool to generate embedded Linux systems through cross-compilation. The documentation can be found in docs/manual. You can generate a text document with 'make manual-text' and read output/docs/manual/manual.text. Online documentation can be found at http://buildroot.org/docs.html To build and use the buildroot stuff, do the following: 1) run 'make menuconfig' 2) select the target architecture and the packages you wish to compile 3) run 'make' 4) wait while it compiles 5) find the kernel, bootloader, root filesystem, etc. in output/images You do not need to be root to build or run buildroot. Have fun! Buildroot comes with a basic configuration for a number of boards. Run 'make list-defconfigs' to view the list of provided configurations. Please feed suggestions, bug reports, insults, and bribes back to the buildroot mailing list: buildroot@buildroot.org You can also find us on #buildroot on Freenode IRC. If you would like to contribute patches, please read https://buildroot.org/manual.html#submitting-patches