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| DATE | 2020-12-26 |
| FROM | opensuse-security@opensuse.org
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| SUBJECT | Subject: [Hangout - NYLXS] openSUSE-SU-2020:2337-1: moderate: Security
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Content-Type: multipart/mixed; boundary="===============3298343772566681392=="
Subject: [Hangout - NYLXS] openSUSE-SU-2020:2337-1: moderate: Security
update for blosc
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--===============3298343772566681392==
openSUSE Security Update: Security update for blosc
______________________________________________________________________________
Announcement ID: openSUSE-SU-2020:2337-1
Rating: moderate
References: #1174075 #1179914
Cross-References: CVE-2020-29367
Affected Products:
openSUSE Leap 15.2
openSUSE Leap 15.1
openSUSE Backports SLE-15-SP2
openSUSE Backports SLE-15-SP1
______________________________________________________________________________
An update that solves one vulnerability and has one errata
is now available.
Description:
This update for blosc fixes the following issues:
Update to version 1.20.1 boo#1179914 CVE-2020-29367:
* More saftey checks have been implemented so that potential flaws
discovered by new fuzzers in OSS-Fuzzer are fixed now
* BloscLZ updated to 2.3.0. Expect better compression ratios for faster
codecs. For details, see our new blog post:
https://blosc.org/posts/beast-release/
* Fixed the _xgetbv() collision. Thanks to Micha?? G??rny (-at-mgorny).
Update to version 1.19.0:
* The length of automatic blocksizes for fast codecs (lz4, blosclz) has
been incremented quite a bit (up to 256 KB) for better compression
ratios.
* The performance in modern CPUs (with at least 256 KB in L2 cache) should
be better too (for older CPUs the performance should stay roughly the
same).
* For small buffers that cannot be compressed (typically < 128 bytes),
blosc_compress() returns now a 0 (cannot compress) instead of a negative
number (internal error). See #294.
* blosclz codec updated to 2.1.0. Expect better compression ratios and
performance in a wider variety of scenarios.
* blosc_decompress_unsafe(), blosc_decompress_ctx_unsafe() and
blosc_getitem_unsafe() have been removed because they are dangerous and
after latest improvements, they should not be used in production.
Update to version 1.18.1:
* Fixed the copy of the leftovers of a chunk when its size is not a
multiple of the typesize.
Update to version 1.17.1:
* BloscLZ codec updated to 2.0.0.
Update to version 1.16.3:
* Fix for building for clang with -march=haswell. See PR #262.
* Fix all the known warnings for GCC/Clang. Still some work to do for MSVC
in this front.
* Due to some problems with several CI systems, the check for library
symbols are deactivated now by default. If you want to enforce this
check, use: cmake .. -DDEACTIVATE_SYMBOLS_CHECK=ON to re-activate it.
* Correct the check for the compressed size when the buffer is memcpyed.
This was a regression introduced in 1.16.0. Fixes #261.
* Fixed a regression in 1.16.0 that prevented to compress empty buffers
(see #260).
* Now the functions that execute Blosc decompressions are safe by default
for untrusted/possibly corrupted inputs.
* The previous functions (with less safety) checks are still available
with a '_unsafe' suffix. The complete list is:
* Also, a new API function named blosc_cbuffer_validate(), for validating
Blosc compressed data, has been added.
* For details, see PR #258. Thanks to Jeremy Maitin-Shepard.
* Fixed a bug in blosc_compress() that could lead to thread deadlock under
some situations. See #251. Thanks to -at-wenjuno for the report and the fix.
* Fix data race in shuffle.c host_implementation initialization. Fixes
#253. Thanks to Jeremy Maitin-Shepard.
* Add workaround for Visual Studio 2008's lack of a stdint.h file to
blosclz.c.
* Replaced //-comments with /**/-comments and other improvements for
compatibility with quite old gcc compilers. See PR #243. Thanks to
Andreas Martin.
* Empty buffers can be compressed again (this was unadvertedly prevented
while fixing #234). See #247. Thanks to Valentin Haenel.
Update to version 1.14.4:
* Added a new DEACTIVATE_SSE2 option for cmake that is useful for
disabling SSE2 when doing cross-compilation (see #236).
* New check for detecting output buffers smaller than BLOSC_MAX_OVERHEAD.
* The complib and version parameters for blosc_get_complib_info() can be
safely set to NULL now. This allows to call this function even if the
user is not interested in these parameters (so no need to reserve memory
for them).
* In some situations that a supposedly blosc chunk is passed to
blosc_decompress(), one might end with an Arithmetic exception. This is
probably due to the chunk not being an actual blosc chunk, and divisions
by zero might occur. A protection has been added for this.
Update to version 1.14.3:
* Fixed a bug that caused C-Blosc to crash on platforms requiring strict
alignment.
* Fixed a piece of code that was not C89 compliant.
Patch Instructions:
To install this openSUSE Security Update use the SUSE recommended installation methods
like YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:
- openSUSE Leap 15.2:
zypper in -t patch openSUSE-2020-2337=1
- openSUSE Leap 15.1:
zypper in -t patch openSUSE-2020-2337=1
- openSUSE Backports SLE-15-SP2:
zypper in -t patch openSUSE-2020-2337=1
- openSUSE Backports SLE-15-SP1:
zypper in -t patch openSUSE-2020-2337=1
Package List:
- openSUSE Leap 15.2 (x86_64):
blosc-debugsource-1.20.1-lp152.4.3.1
blosc-devel-1.20.1-lp152.4.3.1
libblosc1-1.20.1-lp152.4.3.1
libblosc1-debuginfo-1.20.1-lp152.4.3.1
- openSUSE Leap 15.1 (x86_64):
blosc-debugsource-1.20.1-lp151.3.3.1
blosc-devel-1.20.1-lp151.3.3.1
libblosc1-1.20.1-lp151.3.3.1
libblosc1-debuginfo-1.20.1-lp151.3.3.1
- openSUSE Backports SLE-15-SP2 (aarch64 ppc64le s390x x86_64):
blosc-debugsource-1.20.1-bp152.4.3.1
blosc-devel-1.20.1-bp152.4.3.1
libblosc1-1.20.1-bp152.4.3.1
libblosc1-debuginfo-1.20.1-bp152.4.3.1
- openSUSE Backports SLE-15-SP1 (aarch64 ppc64le s390x x86_64):
blosc-devel-1.20.1-bp151.4.3.1
libblosc1-1.20.1-bp151.4.3.1
References:
https://www.suse.com/security/cve/CVE-2020-29367.html
https://bugzilla.suse.com/1174075
https://bugzilla.suse.com/1179914
--===============3298343772566681392==
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_______________________________________________
Hangout mailing list
Hangout-at-nylxs.com
http://lists.mrbrklyn.com/mailman/listinfo/hangout
--===============3298343772566681392==--
--===============3298343772566681392==
openSUSE Security Update: Security update for blosc
______________________________________________________________________________
Announcement ID: openSUSE-SU-2020:2337-1
Rating: moderate
References: #1174075 #1179914
Cross-References: CVE-2020-29367
Affected Products:
openSUSE Leap 15.2
openSUSE Leap 15.1
openSUSE Backports SLE-15-SP2
openSUSE Backports SLE-15-SP1
______________________________________________________________________________
An update that solves one vulnerability and has one errata
is now available.
Description:
This update for blosc fixes the following issues:
Update to version 1.20.1 boo#1179914 CVE-2020-29367:
* More saftey checks have been implemented so that potential flaws
discovered by new fuzzers in OSS-Fuzzer are fixed now
* BloscLZ updated to 2.3.0. Expect better compression ratios for faster
codecs. For details, see our new blog post:
https://blosc.org/posts/beast-release/
* Fixed the _xgetbv() collision. Thanks to Micha?? G??rny (-at-mgorny).
Update to version 1.19.0:
* The length of automatic blocksizes for fast codecs (lz4, blosclz) has
been incremented quite a bit (up to 256 KB) for better compression
ratios.
* The performance in modern CPUs (with at least 256 KB in L2 cache) should
be better too (for older CPUs the performance should stay roughly the
same).
* For small buffers that cannot be compressed (typically < 128 bytes),
blosc_compress() returns now a 0 (cannot compress) instead of a negative
number (internal error). See #294.
* blosclz codec updated to 2.1.0. Expect better compression ratios and
performance in a wider variety of scenarios.
* blosc_decompress_unsafe(), blosc_decompress_ctx_unsafe() and
blosc_getitem_unsafe() have been removed because they are dangerous and
after latest improvements, they should not be used in production.
Update to version 1.18.1:
* Fixed the copy of the leftovers of a chunk when its size is not a
multiple of the typesize.
Update to version 1.17.1:
* BloscLZ codec updated to 2.0.0.
Update to version 1.16.3:
* Fix for building for clang with -march=haswell. See PR #262.
* Fix all the known warnings for GCC/Clang. Still some work to do for MSVC
in this front.
* Due to some problems with several CI systems, the check for library
symbols are deactivated now by default. If you want to enforce this
check, use: cmake .. -DDEACTIVATE_SYMBOLS_CHECK=ON to re-activate it.
* Correct the check for the compressed size when the buffer is memcpyed.
This was a regression introduced in 1.16.0. Fixes #261.
* Fixed a regression in 1.16.0 that prevented to compress empty buffers
(see #260).
* Now the functions that execute Blosc decompressions are safe by default
for untrusted/possibly corrupted inputs.
* The previous functions (with less safety) checks are still available
with a '_unsafe' suffix. The complete list is:
* Also, a new API function named blosc_cbuffer_validate(), for validating
Blosc compressed data, has been added.
* For details, see PR #258. Thanks to Jeremy Maitin-Shepard.
* Fixed a bug in blosc_compress() that could lead to thread deadlock under
some situations. See #251. Thanks to -at-wenjuno for the report and the fix.
* Fix data race in shuffle.c host_implementation initialization. Fixes
#253. Thanks to Jeremy Maitin-Shepard.
* Add workaround for Visual Studio 2008's lack of a stdint.h file to
blosclz.c.
* Replaced //-comments with /**/-comments and other improvements for
compatibility with quite old gcc compilers. See PR #243. Thanks to
Andreas Martin.
* Empty buffers can be compressed again (this was unadvertedly prevented
while fixing #234). See #247. Thanks to Valentin Haenel.
Update to version 1.14.4:
* Added a new DEACTIVATE_SSE2 option for cmake that is useful for
disabling SSE2 when doing cross-compilation (see #236).
* New check for detecting output buffers smaller than BLOSC_MAX_OVERHEAD.
* The complib and version parameters for blosc_get_complib_info() can be
safely set to NULL now. This allows to call this function even if the
user is not interested in these parameters (so no need to reserve memory
for them).
* In some situations that a supposedly blosc chunk is passed to
blosc_decompress(), one might end with an Arithmetic exception. This is
probably due to the chunk not being an actual blosc chunk, and divisions
by zero might occur. A protection has been added for this.
Update to version 1.14.3:
* Fixed a bug that caused C-Blosc to crash on platforms requiring strict
alignment.
* Fixed a piece of code that was not C89 compliant.
Patch Instructions:
To install this openSUSE Security Update use the SUSE recommended installation methods
like YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:
- openSUSE Leap 15.2:
zypper in -t patch openSUSE-2020-2337=1
- openSUSE Leap 15.1:
zypper in -t patch openSUSE-2020-2337=1
- openSUSE Backports SLE-15-SP2:
zypper in -t patch openSUSE-2020-2337=1
- openSUSE Backports SLE-15-SP1:
zypper in -t patch openSUSE-2020-2337=1
Package List:
- openSUSE Leap 15.2 (x86_64):
blosc-debugsource-1.20.1-lp152.4.3.1
blosc-devel-1.20.1-lp152.4.3.1
libblosc1-1.20.1-lp152.4.3.1
libblosc1-debuginfo-1.20.1-lp152.4.3.1
- openSUSE Leap 15.1 (x86_64):
blosc-debugsource-1.20.1-lp151.3.3.1
blosc-devel-1.20.1-lp151.3.3.1
libblosc1-1.20.1-lp151.3.3.1
libblosc1-debuginfo-1.20.1-lp151.3.3.1
- openSUSE Backports SLE-15-SP2 (aarch64 ppc64le s390x x86_64):
blosc-debugsource-1.20.1-bp152.4.3.1
blosc-devel-1.20.1-bp152.4.3.1
libblosc1-1.20.1-bp152.4.3.1
libblosc1-debuginfo-1.20.1-bp152.4.3.1
- openSUSE Backports SLE-15-SP1 (aarch64 ppc64le s390x x86_64):
blosc-devel-1.20.1-bp151.4.3.1
libblosc1-1.20.1-bp151.4.3.1
References:
https://www.suse.com/security/cve/CVE-2020-29367.html
https://bugzilla.suse.com/1174075
https://bugzilla.suse.com/1179914
--===============3298343772566681392==
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--===============3298343772566681392==
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_______________________________________________
Hangout mailing list
Hangout-at-nylxs.com
http://lists.mrbrklyn.com/mailman/listinfo/hangout
--===============3298343772566681392==--
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