| Commit message (Collapse) | Author | Age | Files | Lines |
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Both ui_open_session() implementations, open_console() in ui_openssl.c
in base, and the one in ui_openssl_win.c in portable, grab the lock of
type CRYPTO_LOCK_UI before doing anything else.
The only internal (and, as far as I can tell, the only existing) caller,
UI_process(), returns immediately on failure. The calling thread thus
keeps holding the lock and the next call to UI_process() will block
indefinitely. Fix this by using the common exit path, which calls
ui_close_session() aka close_console(), both implementations of which
release the lock.
Thanks to Kartik (@sage-mode-hunter) who proposed an alternative fix for
ui_openssl_win.c, which we would have to apply to ui_openssl.c as well.
Matches OpenSSL behavior since PR #2037
Closes https://github.com/libressl/portable/pull/1334
ok kenjiro
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Replace the tiny-sha3 keccakf implementation with an unrolled and
interleaved algorithm, that is hidden away in an obsolete reference
implementation.
This gets us 3.3x speed up on arm64 (Apple M2), a 1.3x speed up on amd64
(Intel i7-1165G7) and 6x speed up on sparc64 (M3000).
ok tb@
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b64_write() asserted that BIO_write() does not return more bytes than
requested in two places. Other BIO_write() call sites do not make this
check, and there is no special handling here that depends on asserting this
condition.
ok tb@ beck@ joshua@
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SSL_CTX_set_options(3) no longer has a SECURE RENEGOTIATION section,
but SSL_OP_LEGACY_SERVER_CONNECT still referenced it. Replace the
dangling cross reference with a note that the option is no longer set
by default.
ok tb@ beck@
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A ChangeCipherSpec message is always the same single byte. Make
dtls1_do_write_ccs() know how to send this message, which avoids the use of
buffers and needing to keep copies for retransmission.
ok kenjiro@ tb@
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dtls1_set_message_header() is only called in one place - inline the write
handshake sequence number handling. Rename dtls1_set_message_header_int()
to dtls1_set_message_header().
The dtls12_write_ccs() code does not use handshake sequence numbers (since
they're not handshake messages) - stop pretending that it does.
ok kenjiro@ tb@
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In the legacy stack, ensure that the server selected ciphersuite is valid
for use with TLSv1.2 - this effectively means that it is not a TLSv1.3
ciphersuite. We currently fail the handshake, but at a later stage.
Reported by Tom Gouville from the tlspuffin team.
ok tb@
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We no longer negotiate any TLS version lower than TLSv1.2, so this is now
redundant.
ok tb@
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An authority in a URI is only terminated by a slash, question mark or hash,
however the current code also included colons. This allows a specically
crafted userinfo to bypass name constraints host checks. Additionally, IPv6
literals may only be specified when enclosed with square brackets, which is
not enforced.
Rewrite parts of the host and IP parsing code to be more strict, fixing
both of these issues in the process.
Thanks to Jack Lloyd for reporting the userinfo bypass.
ok tb@
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our hidden aliases to prevent unnecessary PLT entries (like we already do
for memmove(3), memcpy(4) and memset(3)).
ok deraadt@
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While here drop pointless declaration for main()
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Among CRLs with the same score prefer the one with the most recent
lastUpdate (RFC 5280 thisUpdate). This pulls in OpenSSL commits
626aa248, e032117d, 8b7c51a0 from 2016, so before the license change.
This uses the annoying ASN1_TIME_diff() API, but there is no better
way, really. Every other ASN1_TIME API will be just as awkward.
This fixes the currently failing x509_crl test cases.
ok kenjiro
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References:
https://datatracker.ietf.org/doc/html/draft-ietf-sidrops-rpki-ccr
https://datatracker.ietf.org/doc/html/draft-ietf-sidrops-rpki-erik-protocol
https://datatracker.ietf.org/doc/html/draft-ietf-grow-yang-bgp-communities
OK tb@
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From upstream musl:
https://git.musl-libc.org/cgit/musl/commit?id=c53e9b239418eb3e0e8be256abd0f6ad7608bbcf
OK tb@
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Fix from upstream musl:
https://git.musl-libc.org/cgit/musl/commit?id=593caa456309714402ca4cb77c3770f4c24da9da
OK tb@
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The EXFLAG_CRITICAL should be set on encountering a critical CRL
extension unsupported by the library. The current loop does the
opposite: it stops looking as soon as it finds the first critical
extension the library supports...
ok kenjiro
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Currently expected to fail due to mishandling of unknown critical
extensions in x_crl.c, to be fixed shortly.
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looks good to claudio
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Also change some totally unreadable roff macros to slightly less unreadable
mdoc markup.
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With the introduction of a secondary key share, we fail to ensure that the
HelloRetryRequest does not specify the group that was used for the
secondary key share. We also fail to free the secondary key share early in
this case, meaning that it lingers in memory until the SSL is reset or
freed. Fix both of these issues.
ok tb@
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While we currently correctly handle the no-shared-group case, it currently
fails late when we try to create the key share. Improve detection and
handling so that we fail sooner and send an alert to the client when
processing client key shares.
While here rename preferred_group_found to shared_group_found - we look for
the client preferred group, but any group that we select will always be in
the client list (even if it's the last one).
Reported by the tlspuffin team.
ok tb@
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Be more RFC compliant and send illegal parameter alerts when the client
receives a HelloRetryRequest that requests a group that we did not offer
or a group that we sent a key share for in the ClientHello. These were
annotated as missing, but not previously implemented.
Prompted by a report from the tlspuffin team.
ok tb@
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Include coverage of Renegotiation Indication and legacy connection
handling.
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SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS is now a no-op, tidy up
SSL_OP_LEGACY_SERVER_CONNECT and reflect the current state of SSL_OP_ALL
Delete the entire "SECURE RENEGOTIATION" section that contained ancient
ramblings.
ok beck@ tb@
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Remove SSL_OP_LEGACY_SERVER_CONNECT from the default SSL options and the
SSL_OP_ALL define. This means that we will now refuse to connect to a
TLSv1.2 server if it does not support the Renegotiation Indication (RI)
extension. This prevents a class of attacks against TLS clients that are
talking to TLSv1.2-only servers that permit client initiated renegotiation.
Raised by Lucca Hirschi et al from Inria.
ok beck@ tb@
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If a purpose is configured on the verify context (which it currently
never is), this check would only accept certificates for which the
purpose check fails. Also, this code is not currently reachable from
public API since x509_verify() is only ever called with a legacy xsc
set on the verify ctx, so x509_verify_ccert_extensions() takes the
path returning 1 earlier.
X509_check_purpose() is one of these strange legacy APIs. It returns -1
on error, 0 if the cert fails the purpose check, 1 if it passes it and
values between 2 and 5 indicate various legacy garbage meaning that the
cert might possibly have been fit for this purpose until around a quarter
century ago. While for CA certs the checks in "No we don't care about ..."
exclude return values > 1, it is still possible for the S/MIME purpose
to return 2 due to a workaround for some buggy NS certs, for example.
In short: anything but 1 means unfit for the purpose or at best dubious,
so reject such certs.
Reported by Frank Denis
ok kenjiro
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If a PKCS#7 S/MIME message comes with an empty set of digestAlgorithms
in the SignedData, PKCS7_verify() would incorrectly free a caller-owned
buffer. Fix the freeing logic to avoid this situation.
From Igor Ustinov via OpenSSL
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If the in string is unreasonably long, assigning strlen(in) to an int
may overflow, so exclude this situation.
Moreover, the code would unconditionally multiply nchar by 2 or 4,
which could again overflow an int. Check for this situation and error
out to avoid an out of bounds write.
More may be needed in here, which will be revisited later.
Based on a diff by Viktor Dukhovni via OpenSSL.
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The RFC 3211 PWRI integrity check when unwrapping the password-derived key
accesses seven bytes from a heap-allocated buffer. If an (invalid) block
cipher with short blocks is in use 2 * blocksize may not be sufficient room
for 7 bytes. In that silly case, the function performs an OOB read. Add
length check to avoid this situation
From Igor Ustinov via OpenSSL.
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The keyDerivationAlgorithm field is OPTIONAL in the ASN.1 but required
for password-based CMS. Check that the field is present before using it
to avoid a crash.
From Igor Ustinov via OpenSSL
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