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- Fix CVE-2020-10932: fix side channel in ECC code that allowed an
adversary with access to precise enough timing and memory access
information (typically an untrusted operating system attacking a
secure enclave) to fully recover an ECDSA private key.
- Fix a potentially remotely exploitable buffer overread in a DTLS
client when parsing the Hello Verify Request message.
- Fix bug in DTLS handling of new associations with the same parameters
(RFC 6347 section 4.2.8): after sending its HelloVerifyRequest, the
server would end up with corrupted state and only send invalid records
to the client. An attacker able to send forged UDP packets to the
server could use that to obtain a Denial of Service. This could only
happen when MBEDTLS_SSL_DTLS_CLIENT_PORT_REUSE was enabled in
config.h (which it is by default).
Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
(cherry picked from commit b5704f8869)
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