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The patch is provided thanks to the Ubuntu community.
- CVE-2021-4217:
A flaw was found in unzip. The vulnerability occurs due to improper
handling of Unicode strings, which can lead to a null pointer
dereference. This flaw allows an attacker to input a specially crafted
zip file, leading to a crash or code execution.
For more information, see:
- https://www.cve.org/CVERecord?id=CVE-2021-4217
- https://launchpadlibrarian.net/580782282/0001-Fix-null-pointer-dereference-and-use-of-uninitialized-data.patch
- https://bugs.launchpad.net/ubuntu/+source/unzip/+bug/1957077
Signed-off-by: Thomas Perale <thomas.perale@mind.be>
[Peter: correct _IGNORE_CVES entry]
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 https://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 OFTC IRC. If you would like to contribute patches, please read https://buildroot.org/manual.html#submitting-patches