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python3: advance to version 3.10.8
Fixes CVE-2022-37460. Also add patch to fix CVE-2022-37454. (From OE-Core rev: b446dd69b79783ea232514e1c5212595ec28e553) Signed-off-by: Joe Slater <joe.slater@windriver.com> Signed-off-by: Steve Sakoman <steve@sakoman.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
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Joe Slater
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Richard Purdie
Richard Purdie
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d513c3043b
commit
eea9ca003f
108
meta/recipes-devtools/python/python3/cve-2022-37454.patch
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108
meta/recipes-devtools/python/python3/cve-2022-37454.patch
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From 1f66b714c5f2fef80ec5389456ac31756dbfff0e Mon Sep 17 00:00:00 2001
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From: Theo Buehler <botovq@users.noreply.github.com>
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Date: Fri, 21 Oct 2022 21:26:01 +0200
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Subject: [PATCH] gh-98517: Fix buffer overflows in _sha3 module (#98519)
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This is a port of the applicable part of XKCP's fix [1] for
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CVE-2022-37454 and avoids the segmentation fault and the infinite
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loop in the test cases published in [2].
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[1]: https://github.com/XKCP/XKCP/commit/fdc6fef075f4e81d6b1bc38364248975e08e340a
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[2]: https://mouha.be/sha-3-buffer-overflow/
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Regression test added by: Gregory P. Smith [Google LLC] <greg@krypto.org>
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---
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Patch applied without modification.
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CVE: CVE-2022-37454
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Upstream-Status: Backport [github.com/cpython/cpython.git 0e4e058602d...]
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Signed-off-by: Joe Slater <joe.slater@windriver.com>
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---
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Lib/test/test_hashlib.py | 9 +++++++++
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.../2022-10-21-13-31-47.gh-issue-98517.SXXGfV.rst | 1 +
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Modules/_sha3/kcp/KeccakSponge.inc | 15 ++++++++-------
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3 files changed, 18 insertions(+), 7 deletions(-)
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create mode 100644 Misc/NEWS.d/next/Security/2022-10-21-13-31-47.gh-issue-98517.SXXGfV.rst
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diff --git a/Lib/test/test_hashlib.py b/Lib/test/test_hashlib.py
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index ea31f8b..65330e1 100644
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--- a/Lib/test/test_hashlib.py
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+++ b/Lib/test/test_hashlib.py
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@@ -491,6 +491,15 @@ class HashLibTestCase(unittest.TestCase):
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def test_case_md5_uintmax(self, size):
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self.check('md5', b'A'*size, '28138d306ff1b8281f1a9067e1a1a2b3')
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+ @unittest.skipIf(sys.maxsize < _4G - 1, 'test cannot run on 32-bit systems')
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+ @bigmemtest(size=_4G - 1, memuse=1, dry_run=False)
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+ def test_sha3_update_overflow(self, size):
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+ """Regression test for gh-98517 CVE-2022-37454."""
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+ h = hashlib.sha3_224()
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+ h.update(b'\x01')
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+ h.update(b'\x01'*0xffff_ffff)
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+ self.assertEqual(h.hexdigest(), '80762e8ce6700f114fec0f621fd97c4b9c00147fa052215294cceeed')
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+
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# use the three examples from Federal Information Processing Standards
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# Publication 180-1, Secure Hash Standard, 1995 April 17
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# http://www.itl.nist.gov/div897/pubs/fip180-1.htm
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diff --git a/Misc/NEWS.d/next/Security/2022-10-21-13-31-47.gh-issue-98517.SXXGfV.rst b/Misc/NEWS.d/next/Security/2022-10-21-13-31-47.gh-issue-98517.SXXGfV.rst
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new file mode 100644
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index 0000000..2d23a6a
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--- /dev/null
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+++ b/Misc/NEWS.d/next/Security/2022-10-21-13-31-47.gh-issue-98517.SXXGfV.rst
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@@ -0,0 +1 @@
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+Port XKCP's fix for the buffer overflows in SHA-3 (CVE-2022-37454).
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diff --git a/Modules/_sha3/kcp/KeccakSponge.inc b/Modules/_sha3/kcp/KeccakSponge.inc
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index e10739d..cf92e4d 100644
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--- a/Modules/_sha3/kcp/KeccakSponge.inc
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+++ b/Modules/_sha3/kcp/KeccakSponge.inc
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@@ -171,7 +171,7 @@ int SpongeAbsorb(SpongeInstance *instance, const unsigned char *data, size_t dat
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i = 0;
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curData = data;
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while(i < dataByteLen) {
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- if ((instance->byteIOIndex == 0) && (dataByteLen >= (i + rateInBytes))) {
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+ if ((instance->byteIOIndex == 0) && (dataByteLen-i >= rateInBytes)) {
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#ifdef SnP_FastLoop_Absorb
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/* processing full blocks first */
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@@ -199,10 +199,10 @@ int SpongeAbsorb(SpongeInstance *instance, const unsigned char *data, size_t dat
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}
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else {
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/* normal lane: using the message queue */
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-
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- partialBlock = (unsigned int)(dataByteLen - i);
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- if (partialBlock+instance->byteIOIndex > rateInBytes)
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+ if (dataByteLen-i > rateInBytes-instance->byteIOIndex)
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partialBlock = rateInBytes-instance->byteIOIndex;
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+ else
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+ partialBlock = (unsigned int)(dataByteLen - i);
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#ifdef KeccakReference
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displayBytes(1, "Block to be absorbed (part)", curData, partialBlock);
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#endif
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@@ -281,7 +281,7 @@ int SpongeSqueeze(SpongeInstance *instance, unsigned char *data, size_t dataByte
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i = 0;
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curData = data;
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while(i < dataByteLen) {
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- if ((instance->byteIOIndex == rateInBytes) && (dataByteLen >= (i + rateInBytes))) {
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+ if ((instance->byteIOIndex == rateInBytes) && (dataByteLen-i >= rateInBytes)) {
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for(j=dataByteLen-i; j>=rateInBytes; j-=rateInBytes) {
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SnP_Permute(instance->state);
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SnP_ExtractBytes(instance->state, curData, 0, rateInBytes);
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@@ -299,9 +299,10 @@ int SpongeSqueeze(SpongeInstance *instance, unsigned char *data, size_t dataByte
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SnP_Permute(instance->state);
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instance->byteIOIndex = 0;
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}
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- partialBlock = (unsigned int)(dataByteLen - i);
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- if (partialBlock+instance->byteIOIndex > rateInBytes)
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+ if (dataByteLen-i > rateInBytes-instance->byteIOIndex)
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partialBlock = rateInBytes-instance->byteIOIndex;
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+ else
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+ partialBlock = (unsigned int)(dataByteLen - i);
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i += partialBlock;
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SnP_ExtractBytes(instance->state, curData, instance->byteIOIndex, partialBlock);
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--
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2.32.0
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