TF-A supports stack smashing protection (-fstack-protector-*).
However, that feature is currently silently disabled because
ENABLE_STACK_PROTECTOR is not set during build time.
As documented in the TF-A user guide, the flag ENABLE_STACK_PROTECTOR
is required to enable stack protection support. When enabled the symbols
for the stack protector (e.g. __stack_chk_guard) are built.
This needs to be done because TF-A does not link against an external
library that provides that symbols (e.g. libc).
So in case we see that BR2_SSP_* is enabled, let's enable the corresponding
ENABLE_STACK_PROTECTOR build flag for TF-A as documented in the TF-A user guide.
This patch also fixes a the following linker errors with older TF-A versions
if BR2_SSP_* is enabled (i.e. -fstack-protector-* is used as compiler flag)
and ENABLE_STACK_PROTECTOR is not set, which are caused by the missing
stack protector symbols:
[...]
params_setup.c:(.text.params_early_setup+0xc): undefined reference to `__stack_chk_guard'
aarch64-none-linux-gnu-ld: params_setup.c:(.text.params_early_setup+0x14): undefined reference to `__stack_chk_guard'
aarch64-none-linux-gnu-ld: params_setup.c:(.text.params_early_setup+0x104): undefined reference to `__stack_chk_guard'
aarch64-none-linux-gnu-ld: params_setup.c:(.text.params_early_setup+0x118): undefined reference to `__stack_chk_fail'
aarch64-none-linux-gnu-ld: ./build/px30/release/bl31/pmu.o: in function `rockchip_soc_sys_pwr_dm_suspend':
pmu.c:(.text.rockchip_soc_sys_pwr_dm_suspend+0xc): undefined reference to `__stack_chk_guard'
[...]
TF-A releases after Nov 2019, that include 7af195e29a4, will circumvent
these issue by explicitliy and silently disabling the stack protector
by appending '-fno-stack-protector' to the compiler flags in case
ENABLE_STACK_PROTECTOR is not set.
Tested on a Rockchip PX30 based system (TF-A v2.2 and upstream/master).
Signed-off-by: Christoph Müllner <christoph.muellner@theobroma-systems.com>
Reviewed-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>
(cherry picked from commit 7b3fcbcdaa)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
Patch '0001-fix-compile-time-atomic-detection.patch' claims to be Merged but
this is not true. The linked issue is closed with 'Needs information', and
the code itself is effectively not merged.
Clarify the 'Upstream-status' line to make this more clear.
Signed-off-by: Thomas De Schampheleire <thomas.de_schampheleire@nokia.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
(cherry picked from commit 43021dfb77)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
Fixes the following security issues:
* 4.6.2: A vulnerability (CVE-2020-27783) was discovered in the HTML Cleaner
by Yaniv Nizry, which allowed JavaScript to pass through. The cleaner now
removes more sneaky "style" content.
* 4.6.1: A vulnerability was discovered in the HTML Cleaner by Yaniv Nizry,
which allowed JavaScript to pass through. The cleaner now removes more
sneaky "style" content.
For more details, see the changes file:
https://github.com/lxml/lxml/blob/lxml-4.6.2/CHANGES.txt
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
(cherry picked from commit ea41a5faab)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
Fix CVE-2020-27207: Zetetic SQLCipher 4.x before 4.4.1 has a
use-after-free, related to sqlcipher_codec_pragma and sqlite3Strlen30 in
sqlite3.c. A remote denial of service attack can be performed. For
example, a SQL injection can be used to execute the crafted SQL command
sequence. After that, some unexpected RAM data is read.
https://www.zetetic.net/blog/2020/11/25/sqlcipher-442-release
Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
(cherry picked from commit f38893f8dd)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
The old git tree is unreachable now, switch to using the new one.
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
(cherry picked from commit c7bd3805bd)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
Weston does not work with the ti-sgx SDK, so switch to using the
KMS-based demos.
Signed-off-by: Adam Duskett <Aduskett@gmail.com>
[yann.morin.1998@free.fr: split off into its own patch]
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
(cherry picked from commit 29ff603f08)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
weston does not work on the ti-sgx SDK, so switch to using KMS directly,
and drop the wayland-related config options.
Signed-off-by: Adam Duskett <Aduskett@gmail.com>
[yann.morin.1998@free.fr: split into its own patch]
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
(cherry picked from commit 8efc5dce98)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
scan.c in x11vnc 0.9.16 uses IPC_CREAT|0777 in shmget calls, which
allows access by actors other than the current user.
Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
(cherry picked from commit 3b6a105af8)
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
- Fix CVE-2020-25412: com_line() in command.c in gnuplot 5.4 leads to an
out-of-bounds-write from strncpy() that may lead to arbitrary code
execution.
- Drop second patch (already in version)
- Update indentation in hash file (two spaces)
http://gnuplot.info/ReleaseNotes_5_4_1.html
Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
Fixes the following security issue:
- CVE-2020-15257: Access controls for the shim’s API socket verified that
the connecting process had an effective UID of 0, but did not otherwise
restrict access to the abstract Unix domain socket. This would allow
malicious containers running in the same network namespace as the shim,
with an effective UID of 0 but otherwise reduced privileges, to cause new
processes to be run with elevated privileges.
For more details, see the advisory:
https://github.com/containerd/containerd/security/advisories/GHSA-36xw-fx78-c5r4
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
libcap builds an incorrect libcap.pc because libdir is pulled from the
host os:
ifndef lib
lib=$(shell ldd /usr/bin/ld|egrep "ld-linux|ld.so"|cut -d/ -f2)
endif
Fix this error by passing lib=lib and prefix in
{HOST_LIBCAP,LIBCAP}_BUILD_CMDS
Fixes:
- https://bugs.buildroot.org/show_bug.cgi?id=13276
Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Reviewed-by: Peter Seiderer <ps.report@gmx.net>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
Fixes the following security issues:
* CVE-2020-14360 / ZDI CAN 11572 XkbSetMap Out-Of-Bounds Access
Insufficient checks on the lengths of the XkbSetMap request can lead to
out of bounds memory accesses in the X server.
* CVE-2020-25712 / ZDI-CAN-11839 XkbSetDeviceInfo Heap-based Buffer Overflow
Insufficient checks on input of the XkbSetDeviceInfo request can lead to a
buffer overflow on the head in the X server.
For more details, see the advisory:
https://www.openwall.com/lists/oss-security/2020/12/01/3
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
From the release notes:
- Security/Reliability:
- Fixed memory leaks when a response is buffered and the buffer
limit is reached or Privoxy is running out of memory.
Commits bbd53f1010b and 4490d451f9b. OVE-20201118-0001.
Sponsored by: Robert Klemme
- Fixed a memory leak in the show-status CGI handler when
no action files are configured. Commit c62254a686.
OVE-20201118-0002.
Sponsored by: Robert Klemme
- Fixed a memory leak in the show-status CGI handler when
no filter files are configured. Commit 1b1370f7a8a.
OVE-20201118-0003.
Sponsored by: Robert Klemme
- Fixes a memory leak when client tags are active.
Commit 245e1cf32. OVE-20201118-0004.
Sponsored by: Robert Klemme
- Fixed a memory leak if multiple filters are executed
and the last one is skipped due to a pcre error.
Commit 5cfb7bc8fe. OVE-20201118-0005.
- Prevent an unlikely dereference of a NULL-pointer that
could result in a crash if accept-intercepted-requests
was enabled, Privoxy failed to get the request destination
from the Host header and a memory allocation failed.
Commit 7530132349. CID 267165. OVE-20201118-0006.
- Fixed memory leaks in the client-tags CGI handler when
client tags are configured and memory allocations fail.
Commit cf5640eb2a. CID 267168. OVE-20201118-0007.
- Fixed memory leaks in the show-status CGI handler when memory
allocations fail. Commit 064eac5fd0 and commit fdee85c0bf3.
CID 305233. OVE-20201118-0008.
For more details, see the announcement:
https://www.openwall.com/lists/oss-security/2020/11/29/1
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
Backport upstream commit ([1]) adding missing string include.
Fixes:
- http://autobuild.buildroot.net/results/53a5f023ae40db18f45ebe7578962914c2d22a44
In file included from .../build/kmsxx-cb0786049f960f2bd383617151b01318e02e9ff9/kms++/inc/kms++/omap/omapcard.h:3,
from .../build/kmsxx-cb0786049f960f2bd383617151b01318e02e9ff9/kms++/src/omap/omapcard.cpp:2:
.../build/kmsxx-cb0786049f960f2bd383617151b01318e02e9ff9/kms++/inc/kms++/card.h:17:18: error: 'string' in namespace 'std' does not name a type
17 | Card(const std::string& device);
| ^~~~~~
[1] b53f9d383c.patch
Signed-off-by: Peter Seiderer <ps.report@gmx.net>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
Fixes the following security issues:
- CVE-2020-15180: during SST a joiner sends an sst method name to the donor.
Donor then appends it to the "wsrep_sst_" string to get the name of the
sst script to use, e.g. wsrep_sst_rsync. There is no validation or
filtering here, so if the malicious joiner sends, for example, "rsync `rm
-rf /`" the donor will execute that too.
- CVE-2020-14812: Vulnerability in the MySQL Server product of Oracle MySQL
(component: Server: Locking). Supported versions that are affected are
5.6.49 and prior, 5.7.31 and prior and 8.0.21 and prior. Easily
exploitable vulnerability allows high privileged attacker with network
access via multiple protocols to compromise MySQL Server. Successful
attacks of this vulnerability can result in unauthorized ability to cause
a hang or frequently repeatable crash (complete DOS) of MySQL Server.
- CVE-2020-14765: Vulnerability in the MySQL Server product of Oracle MySQL
(component: Server: FTS). Supported versions that are affected are 5.6.49
and prior, 5.7.31 and prior and 8.0.21 and prior. Easily exploitable
vulnerability allows low privileged attacker with network access via
multiple protocols to compromise MySQL Server. Successful attacks of this
vulnerability can result in unauthorized ability to cause a hang or
frequently repeatable crash (complete DOS) of MySQL Server.
- CVE-2020-14776: Vulnerability in the MySQL Server product of Oracle MySQL
(component: InnoDB). Supported versions that are affected are 5.7.31 and
prior and 8.0.21 and prior. Easily exploitable vulnerability allows high
privileged attacker with network access via multiple protocols to
compromise MySQL Server. Successful attacks of this vulnerability can
result in unauthorized ability to cause a hang or frequently repeatable
crash (complete DOS) of MySQL Server.
- CVE-2020-14789: Vulnerability in the MySQL Server product of Oracle MySQL
(component: Server: FTS). Supported versions that are affected are 5.7.31
and prior and 8.0.21 and prior. Easily exploitable vulnerability allows
high privileged attacker with network access via multiple protocols to
compromise MySQL Server. Successful attacks of this vulnerability can
result in unauthorized ability to cause a hang or frequently repeatable
crash (complete DOS) of MySQL Server.
- CVE-2020-28912:
https://www.usenix.org/system/files/conference/usenixsecurity18/sec18-bui.pdf
describes a named pipe privilege vulnerability, specifically for MySQL,
where an unprivileged user, located on the same machine as the server, can
act as man-in-the-middle between server and client.
Additionally, 10.3.27 fixes a regression added in 10.3.26.
Drop weak md5/sha1 checksums.
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
