e2d8ee3bec
Fixes the following security issues (1.1.1e):
CVE-2019-1551 [Low severity]: There is an overflow bug in the x64_64
Montgomery squaring procedure used in exponentiation with 512-bit moduli.
No EC algorithms are affected. Analysis suggests that attacks against
2-prime RSA1024, 3-prime RSA1536, and DSA1024 as a result of this defect
would be very difficult to perform and are not believed likely. Attacks
against DH512 are considered just feasible. However, for an attack the
target would have to re-use the DH512 private key, which is not recommended
anyway. Also applications directly using the low level API BN_mod_exp may
be affected if they use BN_FLG_CONSTTIME. Reported by OSS-Fuzz and Guido
Vranken.
https://www.openssl.org/news/secadv/20191206.txt
CVE-2019-1563 [Low severity]: In situations where an attacker receives
automated notification of the success or failure of a decryption attempt an
attacker, after sending a very large number of messages to be decrypted, can
recover a CMS/PKCS7 transported encryption key or decrypt any RSA encrypted
message that was encrypted with the public RSA key, using a Bleichenbacher
padding oracle attack. Applications are not affected if they use a
certificate together with the private RSA key to the CMS_decrypt or
PKCS7_decrypt functions to select the correct recipient info to decrypt.
Reported by Bernd Edlinger.
https://www.openssl.org/news/secadv/20190910.txt
Signed-off-by: Sébastien Szymanski <sebastien.szymanski@armadeus.com>
[Peter: mention security impact]
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
(cherry picked from commit
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| board | ||
| boot | ||
| configs | ||
| docs | ||
| fs | ||
| linux | ||
| package | ||
| support | ||
| system | ||
| toolchain | ||
| utils | ||
| .defconfig | ||
| .flake8 | ||
| .gitignore | ||
| .gitlab-ci.yml | ||
| .gitlab-ci.yml.in | ||
| CHANGES | ||
| Config.in | ||
| Config.in.legacy | ||
| COPYING | ||
| DEVELOPERS | ||
| Makefile | ||
| Makefile.legacy | ||
| README | ||
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