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(From OE-Core rev: 4f608782e43accb23aa144339ed9169b1718c4f0)
Signed-off-by: Naveen Saini <naveen.kumar.saini@intel.com>
Signed-off-by: Armin Kuster <akuster808@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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(From OE-Core rev: 23822fb39341ba064d2e01389409958f6b4dd15c)
Signed-off-by: Chen Qi <Qi.Chen@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Signed-off-by: Armin Kuster <akuster808@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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It was discovered that the ghostscript /invalidaccess checks fail under
certain conditions. An attacker could possibly exploit this to bypass
the -dSAFER protection and, for example, execute arbitrary shell commands
via a specially crafted PostScript document.
It was found that the superexec operator was available in the internal
dictionary in ghostscript before 9.27. A specially crafted PostScript
file could use this flaw in order to, for example, have access to the
file system outside of the constrains imposed by -dSAFER.
It was found that the forceput operator could be extracted from the
DefineResource method in ghostscript before 9.27. A specially crafted
PostScript file could use this flaw in order to, for example, have
access to the file system outside of the constrains imposed by -dSAFER.
References:
https://nvd.nist.gov/vuln/detail/CVE-2019-6116
https://www.openwall.com/lists/oss-security/2019/01/23/5
https://nvd.nist.gov/vuln/detail/CVE-2019-3835
https://nvd.nist.gov/vuln/detail/CVE-2019-3838
Upstream patches:
http://git.ghostscript.com/?p=ghostpdl.git;a=commitdiff;h=13b0a36
http://git.ghostscript.com/?p=ghostpdl.git;a=commitdiff;h=2db98f9
http://git.ghostscript.com/?p=ghostpdl.git;a=commitdiff;h=99f1309
http://git.ghostscript.com/?p=ghostpdl.git;a=commitdiff;h=59d8f4d
http://git.ghostscript.com/?p=ghostpdl.git;a=commitdiff;h=2768d1a
http://git.ghostscript.com/?p=ghostpdl.git;a=commitdiff;h=49c8092
http://git.ghostscript.com/?p=ghostpdl.git;a=commitdiff;h=2ff600a
http://git.ghostscript.com/?p=ghostpdl.git;a=commitdiff;h=779664d
http://git.ghostscript.com/?p=ghostpdl.git;a=commitdiff;h=e8acf6d
http://git.ghostscript.com/?p=ghostpdl.git;a=commitdiff;h=2055917
http://git.ghostscript.com/?p=ghostpdl.git;a=commitdiff;h=d683d1e
http://git.ghostscript.com/?p=ghostpdl.git;a=commitdiff;h=ed9fcd9
http://git.ghostscript.com/?p=ghostpdl.git;a=commitdiff;h=a82601e
(From OE-Core rev: 12e140dfdac8456772223c816e37bd869419bb18)
Signed-off-by: Ovidiu Panait <ovidiu.panait@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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- Drop backported CVE fixes
000[1-8]*.patch
(From OE-Core rev: f30bd6bf01dbf81f0872382be44d507fb981f953)
Signed-off-by: Hongxu Jia <hongxu.jia@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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Naveen Saini
Chen Qi
Ovidiu Panait
Hongxu Jia