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Reviewed-by: Richard Levitte <levitte@openssl.org>
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Reviewed-by: Richard Levitte <levitte@openssl.org>
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Reported by the LibreSSL project as a follow on to CVE-2015-0209
Reviewed-by: Richard Levitte <levitte@openssl.org>
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In PKCS#7, the ASN.1 content component is optional.
This typically applies to inner content (detached signatures),
however we must also handle unexpected missing outer content
correctly.
This patch only addresses functions reachable from parsing,
decryption and verification, and functions otherwise associated
with reading potentially untrusted data.
Correcting all low-level API calls requires further work.
CVE-2015-0289
Thanks to Michal Zalewski (Google) for reporting this issue.
Reviewed-by: Steve Henson <steve@openssl.org>
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Fix segmentation violation when ASN1_TYPE_cmp is passed a boolean type. This
can be triggered during certificate verification so could be a DoS attack
against a client or a server enabling client authentication.
CVE-2015-0286
Reviewed-by: Richard Levitte <levitte@openssl.org>
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Fix a bug where invalid PSS parameters are not rejected resulting in a
NULL pointer exception. This can be triggered during certificate
verification so could be a DoS attack against a client or a server
enabling client authentication.
Thanks to Brian Carpenter for reporting this issues.
CVE-2015-0208
Reviewed-by: Tim Hudson <tjh@openssl.org>
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CVE-2015-0287
Reviewed-by: Tim Hudson <tjh@openssl.org>
Reviewed-by: Emilia Käsper <emilia@openssl.org>
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Some miscellaneous removal of dead code from lib crypto.
Reviewed-by: Richard Levitte <levitte@openssl.org>
(cherry picked from commit b7573c597c1932ef709b2455ffab47348b5c54e5)
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The function sk_zero is supposed to zero the elements held within a stack.
It uses memset to do this. However it calculates the size of each element
as being sizeof(char **) instead of sizeof(char *). This probably doesn't
make much practical difference in most cases, but isn't a portable
assumption.
Reviewed-by: Richard Levitte <levitte@openssl.org>
(cherry picked from commit 7132ac830fa08d9a936e011d7c541b0c52115b33)
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Previously, ASN1_UTCTIME_cmp_time_t would return 1 if s > t, -1 if
s < t, and 0 if s == t.
This behavior was broken in a refactor [0], resulting in the opposite
time comparison behavior.
[0]: 904348a4922333106b613754136305db229475ea
PR#3706
Reviewed-by: Stephen Henson <steve@openssl.org>
Reviewed-by: Rich Salz <rsalz@openssl.org>
(cherry picked from commit da27006df06853a33b132133699a7aa9d4277920)
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Other curves don't have this problem.
Reviewed-by: Kurt Roeckx <kurt@roeckx.be>
Reviewed-by: Emilia Käsper <emilia@openssl.org>
(cherry picked from commit 9fbbdd73c58c29dc46cc314f7165e45e6d43fd60)
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Td4 and Te4 are arrays of u8. A u8 << int promotes the u8 to an int first then shifts.
If the mathematical result of a shift (as modelled by lhs * 2^{rhs}) is not representable
in an integer, behaviour is undefined. In other words, you can't shift into the sign bit
of a signed integer. Fix this by casting to u32 whenever we're shifting left by 24.
(For consistency, cast other shifts, too.)
Caught by -fsanitize=shift
Submitted by Nick Lewycky (Google)
Reviewed-by: Andy Polyakov <appro@openssl.org>
(cherry picked from commit 8b37e5c14f0eddb10c7f91ef91004622d90ef361)
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When printing out an ASN.1 structure if the type is an item template don't
fall thru and attempt to interpret as a primitive type.
Reviewed-by: Andy Polyakov <appro@openssl.org>
(cherry picked from commit 5dc1247a7494f50c88ce7492518bbe0ce6f124fa)
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Fixed assorted missing return value checks in c3_cpols.c
Reviewed-by: Rich Salz <rsalz@openssl.org>
(cherry picked from commit c5f2b5336ab72e40ab91e2ca85639f51fa3178c6)
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The return value from ASN1_STRING_new() was not being checked which could
lead to a NULL deref in the event of a malloc failure. Also fixed a mem
leak in the error path.
Reviewed-by: Rich Salz <rsalz@openssl.org>
(cherry picked from commit 0c7ca4033dcf5398334d4b78a7dfb941c8167a40)
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The return value from ASN1_STRING_new() was not being checked which could
lead to a NULL deref in the event of a malloc failure. Also fixed a mem
leak in the error path.
Reviewed-by: Rich Salz <rsalz@openssl.org>
(cherry picked from commit 6aa8dab2bbfd5ad3cfc0d07fe5d7243635d5b2a2)
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The call to asn1_do_adb can return NULL on error, so we should check the
return value before attempting to use it.
Reviewed-by: Rich Salz <rsalz@openssl.org>
(cherry picked from commit 34a7ed0c39aa3ab67eea1e106577525eaf0d7a00)
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ASN1_primitive_new takes an ASN1_ITEM * param |it|. There are a couple
of conditional code paths that check whether |it| is NULL or not - but
later |it| is deref'd unconditionally. If |it| was ever really NULL then
this would seg fault. In practice ASN1_primitive_new is marked as an
internal function in the public header file. The only places it is ever
used internally always pass a non NULL parameter for |it|. Therefore, change
the code to sanity check that |it| is not NULL, and remove the conditional
checking.
Reviewed-by: Rich Salz <rsalz@openssl.org>
Reviewed-by: Andy Polyakov <appro@openssl.org>
(cherry picked from commit 9e488fd6ab2c295941e91a47ab7bcd346b7540c7)
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Calling EVP_DigestInit_ex which has already had the digest set up for it
should be possible. You are supposed to be able to pass NULL for the type.
However currently this seg faults.
Reviewed-by: Andy Polyakov <appro@openssl.org>
(cherry picked from commit a01087027bd0c5ec053d4eabd972bd942bfcd92f)
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In the event of an error |rr| could be NULL. Therefore don't assume you can
use |rr| in the error handling code.
Reviewed-by: Andy Polyakov <appro@openssl.org>
(cherry picked from commit 8c5a7b33c6269c3bd6bc0df6b4c22e4fba03b485)
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- SIGSEGV/ILL in CCM (RT#3688);
Reviewed-by: Matt Caswell <matt@openssl.org>
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Reviewed-by: Dr. Stephen Henson <steve@openssl.org>
(cherry picked from commit ac5a110621ca48f0bebd5b4d76d081de403da29e)
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BIO_debug_callback() no longer assumes the hexadecimal representation of
a pointer fits in 8 characters.
Signed-off-by: Richard Levitte <levitte@openssl.org>
Reviewed-by: Matt Caswell <matt@openssl.org>
(cherry picked from commit 460e920d8a274e27aab36346eeda6685a42c3314)
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Signed-off-by: Richard Levitte <levitte@openssl.org>
Reviewed-by: Matt Caswell <matt@openssl.org>
(cherry picked from commit 0b142f022e2c5072295e00ebc11c5b707a726d74)
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New function ASN1_STRING_clear_free which cleanses an ASN1_STRING
structure before freeing it.
Call ASN1_STRING_clear_free on PKCS#8 private key components.
Reviewed-by: Rich Salz <rsalz@openssl.org>
(cherry picked from commit a8ae0891d4bfd18f224777aed1fbb172504421f1)
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Miscellaneous unchecked malloc fixes. Also fixed some mem leaks on error
paths as I spotted them along the way.
Reviewed-by: Tim Hudson <tjh@openssl.org>
(cherry picked from commit 918bb8652969fd53f0c390c1cd909265ed502c7e)
Conflicts:
crypto/bio/bss_dgram.c
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CVE-2015-0288
PR#3708
Reviewed-by: Matt Caswell <matt@openssl.org>
(cherry picked from commit 28a00bcd8e318da18031b2ac8778c64147cd54f9)
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The format script didn't correctly recognise some ASN.1 macros and
didn't reformat some files as a result. Fix script and reformat
affected files.
Reviewed-by: Tim Hudson <tjh@openssl.org>
(cherry picked from commit 437b14b533fe7f7408e3ebca6d5569f1d3347b1a)
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When OpenSSL is configured with no-ec, then the new evp_extra_test fails to
pass. This change adds appropriate OPENSSL_NO_EC guards around the code.
Reviewed-by: Tim Hudson <tjh@openssl.org>
(cherry picked from commit a988036259a4e119f6787b4c585f506226330120)
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Reviewed-by: Emilia Käsper <emilia@openssl.org>
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Inspired by BoringSSL commit 517073cd4b by Eric Roman <eroman@chromium.org>
CVE-2015-0209
Reviewed-by: Emilia Käsper <emilia@openssl.org>
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called evp_test.c, so I have called this one evp_extra_test.c
Reviewed-by: Emilia Käsper <emilia@openssl.org>
Conflicts:
crypto/evp/Makefile
test/Makefile
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Reviewed-by: Tim Hudson <tjh@openssl.org>
(cherry picked from commit 775b669de3ba84d8dce16ff5e2bdffe263c05c4b)
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The typo doesn't affect supported configuration, only unsupported masm.
Reviewed-by: Matt Caswell <matt@openssl.org>
(cherry picked from commit 3372c4fffa0556a688f8f1f550b095051398f596)
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Reviewed-by: Matt Caswell <matt@openssl.org>
(cherry picked from commit edac5dc220d494dff7ee259dfd84335ffa50e938)
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Signed-off-by: Kurt Roeckx <kurt@roeckx.be>
Reviewed-by: Matt Caswell <matt@openssl.org>
(cherry picked from commit 1549a265209d449b6aefd2b49d7d39f7fbe0689b)
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The rationale for this move is that TERMIOS is default, supported by
POSIX-1.2001, and most definitely on Linux. For a few other systems,
TERMIO may still be the termnial interface of preference, so we keep
-DTERMIO on those in Configure.
crypto/ui/ui_openssl.c is simplified in this regard, and will define
TERMIOS for all systems except a select few exceptions.
Reviewed-by: Matt Caswell <matt@openssl.org>
(cherry picked from commit 64e6bf64b36136d487e2fbf907f09612e69ae911)
Conflicts:
Configure
crypto/ui/ui_openssl.c
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Reviewed-by: Andy Polyakov <appro@openssl.org>
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Reviewed-by: Richard Levitte <levitte@openssl.org>
(cherry picked from commit b0333e697c008d639c56f48e9148cb8cba957e32)
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values.
Specifically, an ASN.1 NumericString in the certificate CN will fail UTF-8 conversion
and result in a negative return value, which the "x509 -checkhost" command-line option
incorrectly interpreted as success.
Also update X509_check_host docs to reflect reality.
Thanks to Sean Burford (Google) for reporting this issue.
Reviewed-by: Richard Levitte <levitte@openssl.org>
(cherry picked from commit 0923e7df9eafec6db9c75405d7085ec8581f01bd)
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obj_xref.h was erroneously restored to pre-reformat state.
Reviewed-by: Matt Caswell <matt@openssl.org>
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Reviewed-by: Matt Caswell <matt@openssl.org>
(cherry picked from commit 849037169d98d070c27d094ac341fc6aca1ed2ca)
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Free up bio_err after memory leak data has been printed to it.
In int_free_ex_data if ex_data is NULL there is nothing to free up
so return immediately and don't reallocate it.
Reviewed-by: Tim Hudson <tjh@openssl.org>
(cherry picked from commit 9c7a780bbebc1b6d87dc38a6aa3339033911a8bb)
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Reviewed-by: Tim Hudson <tjh@openssl.org>
(cherry picked from commit 7ce38623194f6df6a846cd01753b63f361c88e57)
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Reviewed-by: Andy Polyakov <appro@openssl.org>
(cherry picked from commit 7e35f06ea908e47f87b723b5e951ffc55463eb8b)
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Reviewed-by: Tim Hudson <tjh@openssl.org>
(cherry picked from commit 6922ddee1b7b1bddbe0d59a5bbdcf8ff39343434)
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PR:3683
Reviewed-by: Tim Hudson <tjh@openssl.org>
(cherry picked from commit 52e028b9de371da62c1e51b46592517b1068d770)
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on affected platforms (PowerPC and AArch64).
For reference, minimalistic #ifdef GHASH is sufficient, because
it's never defined with OPENSSL_SMALL_FOOTPRINT and ctx->ghash
is never referred.
Reviewed-by: Rich Salz <rsalz@openssl.org>
(cherry picked from commit b2991c081aba5351a3386bdde2927672d53e5c99)
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Reviewed-by: Rich Salz <rsalz@openssl.org>
(cherry picked from commit be7b1097e28ff6d49f0d4b7ab8b036d6da87ebc6)
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Reviewed-by: Tim Hudson <tjh@openssl.org>
Reviewed-by: Andy Polyakov <appro@openssl.org>
(cherry picked from commit 3d0cf918078fecee8b040807a2603e41937092f6)
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