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OpenWrt Source Repository
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Eneas U de Queiroz 1c5cafa3eb openssl: fix low-severity CVE-2023-1255 
This applies commit 02ac9c94 to fix this OpenSSL Security Advisory
issued on 20th April 2023[1]:

Input buffer over-read in AES-XTS implementation on 64 bit ARM
(CVE-2023-1255)
==============================================================

Severity: Low

Issue summary: The AES-XTS cipher decryption implementation for 64 bit
ARM platform contains a bug that could cause it to read past the input
buffer, leading to a crash.

Impact summary: Applications that use the AES-XTS algorithm on the 64
bit ARM platform can crash in rare circumstances. The AES-XTS algorithm
is usually used for disk encryption.

The AES-XTS cipher decryption implementation for 64 bit ARM platform
will read past the end of the ciphertext buffer if the ciphertext size
is 4 mod 5 in 16 byte blocks, e.g. 144 bytes or 1024 bytes. If the
memory after the ciphertext buffer is unmapped, this will trigger a
crash which results in a denial of service.

If an attacker can control the size and location of the ciphertext
buffer being decrypted by an application using AES-XTS on 64 bit ARM,
the application is affected. This is fairly unlikely making this issue a
Low severity one.

1. https://www.openssl.org/news/secadv/20230420.txt

Signed-off-by: Eneas U de Queiroz <cotequeiroz@gmail.com>
2023-04-29 12:33:44 +02:00
.github ci: add Coverity Scan scheduled workflow 2023-04-26 17:24:50 +02:00
config build: add a config knob to enable LTO for all packages 2023-03-21 18:28:24 +01:00
include kernel: bump 5.10 to 5.10.178 2023-04-22 01:15:03 +02:00
LICENSES
package openssl: fix low-severity CVE-2023-1255 2023-04-29 12:33:44 +02:00
scripts scripts: sercomm-pid: add bmips support 2023-04-09 10:01:03 +02:00
target mediatek: remove mt753x driver 2023-04-29 10:25:43 +02:00
toolchain toolchain/gcc: enable zstd support 2023-03-17 02:08:25 +01:00
tools tools/isl: update to 0.26 2023-04-22 01:33:16 +02:00
.gitattributes
.gitignore
BSDmakefile
Config.in
COPYING
feeds.conf.default
Makefile treewide: derive host and hostpkg path from STAGING_DIR 2023-01-09 21:33:20 +01:00
README.md README: add download section 2022-10-06 16:08:24 +02:00
rules.mk rules.mk: add FILECMD variable 2023-03-27 00:41:50 +02:00

README.md

OpenWrt logo

OpenWrt Project is a Linux operating system targeting embedded devices. Instead of trying to create a single, static firmware, OpenWrt provides a fully writable filesystem with package management. This frees you from the application selection and configuration provided by the vendor and allows you to customize the device through the use of packages to suit any application. For developers, OpenWrt is the framework to build an application without having to build a complete firmware around it; for users this means the ability for full customization, to use the device in ways never envisioned.

Sunshine!

Download

Built firmware images are available for many architectures and come with a package selection to be used as WiFi home router. To quickly find a factory image usable to migrate from a vendor stock firmware to OpenWrt, try the Firmware Selector.

If your device is supported, please follow the Info link to see install instructions or consult the support resources listed below.

An advanced user may require additional or specific package. (Toolchain, SDK, ...) For everything else than simple firmware download, try the wiki download page:

Development

To build your own firmware you need a GNU/Linux, BSD or MacOSX system (case sensitive filesystem required). Cygwin is unsupported because of the lack of a case sensitive file system.

Requirements

You need the following tools to compile OpenWrt, the package names vary between distributions. A complete list with distribution specific packages is found in the Build System Setup documentation.

binutils bzip2 diff find flex gawk gcc-6+ getopt grep install libc-dev libz-dev
make4.1+ perl python3.6+ rsync subversion unzip which

Quickstart

  1. Run ./scripts/feeds update -a to obtain all the latest package definitions defined in feeds.conf / feeds.conf.default

  2. Run ./scripts/feeds install -a to install symlinks for all obtained packages into package/feeds/

  3. Run make menuconfig to select your preferred configuration for the toolchain, target system & firmware packages.

  4. Run make to build your firmware. This will download all sources, build the cross-compile toolchain and then cross-compile the GNU/Linux kernel & all chosen applications for your target system.

Related Repositories

The main repository uses multiple sub-repositories to manage packages of different categories. All packages are installed via the OpenWrt package manager called opkg. If you're looking to develop the web interface or port packages to OpenWrt, please find the fitting repository below.

  • LuCI Web Interface: Modern and modular interface to control the device via a web browser.

  • OpenWrt Packages: Community repository of ported packages.

  • OpenWrt Routing: Packages specifically focused on (mesh) routing.

  • OpenWrt Video: Packages specifically focused on display servers and clients (Xorg and Wayland).

Support Information

For a list of supported devices see the OpenWrt Hardware Database

Documentation

Support Community

  • Forum: For usage, projects, discussions and hardware advise.
  • Support Chat: Channel #openwrt on oftc.net.

Developer Community

License

OpenWrt is licensed under GPL-2.0