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Yi Zhao 033ba67e53 ruby: Security fixes for CVE-2021-31810/CVE-2021-32066
CVE-2021-31810:
A malicious FTP server can use the PASV response to trick Net::FTP into
connecting back to a given IP address and port. This potentially makes
Net::FTP extract information about services that are otherwise private
and not disclosed (e.g., the attacker can conduct port scans and service
banner extractions).

CVE-2021-32066:
Net::IMAP does not raise an exception when StartTLS fails with an
unknown response, which might allow man-in-the-middle attackers to
bypass the TLS protections by leveraging a network position between the
client and the registry to block the StartTLS command, aka a “StartTLS
stripping attack.”

References:
https://www.ruby-lang.org/en/news/2021/07/07/trusting-pasv-responses-in-net-ftp/
https://www.ruby-lang.org/en/news/2021/07/07/starttls-stripping-in-net-imap/

Patches from:
https://github.com/ruby/ruby/commit/bf4d05173c7cf04d8892e4b64508ecf7902717cd
https://github.com/ruby/ruby/commit/e2ac25d0eb66de99f098d6669cf4f06796aa6256

(From OE-Core rev: e14761916290c01683d72eb8e3de530f944fdfab)

Signed-off-by: Yi Zhao <yi.zhao@windriver.com>
Signed-off-by: Anuj Mittal <anuj.mittal@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
2021-09-17 21:31:37 +01:00

QEMU Emulation Targets
======================

To simplify development, the build system supports building images to
work with the QEMU emulator in system emulation mode. Several architectures
are currently supported in 32 and 64 bit variants:

  * ARM (qemuarm + qemuarm64)
  * x86 (qemux86 + qemux86-64)
  * PowerPC (qemuppc only)
  * MIPS (qemumips + qemumips64)

Use of the QEMU images is covered in the Yocto Project Reference Manual.
The appropriate MACHINE variable value corresponding to the target is given
in brackets.
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