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Release announcement: https://lists.exim.org/lurker/message/20210421.123632.08bb711a.en.html According to http://www.exim.org/static/doc/security/CVE-2020-qualys/21nails.txt this version bump fixes Local vulnerabilities - CVE-2020-28007: Link attack in Exim's log directory - CVE-2020-28008: Assorted attacks in Exim's spool directory - CVE-2020-28014: Arbitrary file creation and clobbering - CVE-2021-27216: Arbitrary file deletion - CVE-2020-28011: Heap buffer overflow in queue_run() - CVE-2020-28010: Heap out-of-bounds write in main() - CVE-2020-28013: Heap buffer overflow in parse_fix_phrase() - CVE-2020-28016: Heap out-of-bounds write in parse_fix_phrase() - CVE-2020-28015: New-line injection into spool header file (local) - CVE-2020-28012: Missing close-on-exec flag for privileged pipe - CVE-2020-28009: Integer overflow in get_stdinput() Remote vulnerabilities - CVE-2020-28017: Integer overflow in receive_add_recipient() - CVE-2020-28020: Integer overflow in receive_msg() - CVE-2020-28023: Out-of-bounds read in smtp_setup_msg() - CVE-2020-28021: New-line injection into spool header file (remote) - CVE-2020-28022: Heap out-of-bounds read and write in extract_option() - CVE-2020-28026: Line truncation and injection in spool_read_header() - CVE-2020-28019: Failure to reset function pointer after BDAT error - CVE-2020-28024: Heap buffer underflow in smtp_ungetc() - CVE-2020-28018: Use-after-free in tls-openssl.c - CVE-2020-28025: Heap out-of-bounds read in pdkim_finish_bodyhash() Signed-off-by: Bernd Kuhls <bernd.kuhls@t-online.de> Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr> |
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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