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- The commit [https://sqlite.org/src/info/0e4e7a05c4204b47] ("Fix a buffer overread in the sessions extension that could occur when processing a corrupt changeset.") fixes CVE-2023-7104 instead of CVE-2022-46908. - Hence, corrected the CVE-ID in CVE-2023-7104.patch. - Reference: https://nvd.nist.gov/vuln/detail/CVE-2023-7104 (From OE-Core rev: 9d7f21f3d0ae24d0005076396e9a929bb32d648e) Signed-off-by: Vrushti Dabhi <vrushti.dabhi@einfochips.com> Signed-off-by: Steve Sakoman <steve@sakoman.com>
47 lines
1.4 KiB
Diff
47 lines
1.4 KiB
Diff
From f388a0c44d2abdbd582686e511fef36c1b96ae43 Mon Sep 17 00:00:00 2001
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From: dan <Dan Kennedy>
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Date: Thu, 7 Sep 2023 13:53:09 +0000
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Subject: [PATCH] Fix a buffer overread in the sessions extension that could
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occur when processing a corrupt changeset.
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Upstream-Status: Backport [https://sqlite.org/src/info/0e4e7a05c4204b47]
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CVE: CVE-2023-7104
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Signed-off-by: Peter Marko <peter.marko@siemens.com>
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Signed-off-by: Vrushti Dabhi <vrushti.dabhi@einfochips.com>
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---
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sqlite3.c | 18 +++++++++++-------
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1 file changed, 11 insertions(+), 7 deletions(-)
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diff --git a/sqlite3.c b/sqlite3.c
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index a16db27..0b979f7 100644
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--- a/sqlite3.c
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+++ b/sqlite3.c
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@@ -213482,15 +213482,19 @@ static int sessionReadRecord(
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}
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}
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if( eType==SQLITE_INTEGER || eType==SQLITE_FLOAT ){
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- sqlite3_int64 v = sessionGetI64(aVal);
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- if( eType==SQLITE_INTEGER ){
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- sqlite3VdbeMemSetInt64(apOut[i], v);
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+ if( (pIn->nData-pIn->iNext)<8 ){
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+ rc = SQLITE_CORRUPT_BKPT;
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}else{
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- double d;
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- memcpy(&d, &v, 8);
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- sqlite3VdbeMemSetDouble(apOut[i], d);
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+ sqlite3_int64 v = sessionGetI64(aVal);
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+ if( eType==SQLITE_INTEGER ){
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+ sqlite3VdbeMemSetInt64(apOut[i], v);
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+ }else{
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+ double d;
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+ memcpy(&d, &v, 8);
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+ sqlite3VdbeMemSetDouble(apOut[i], d);
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+ }
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+ pIn->iNext += 8;
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}
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- pIn->iNext += 8;
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}
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}
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}
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