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| author |   Sana Kazi <Sana.Kazi@kpit.com> | 2020-02-04 07:06:05 -0800 |
|---|---|---|
| committer |   Richard Purdie <richard.purdie@linuxfoundation.org> | 2020-02-04 18:42:49 +0000 |
| commit | aec10c9993f04304466e15ea7a5bc4d85a357c5b (patch) | |
| tree | 0ed0f87bc9d5ad1714fd01dea0e6787a49a5b26d /meta/recipes-extended | |
| parent | d00349526f5727fdff9b40c6139d95bd75af213d (diff) | |
| download | openembedded-core-contrib-aec10c9993f04304466e15ea7a5bc4d85a357c5b.tar.gz | |
bzip2: Fix CVE-2019-12900
Added patch for CVE-2019-12900 as backport from upstream.
Fixes out of bound access discovered while fuzzying karchive.
Tested by: Sana.Kazi@kpit.com
Signed-off-by: Saloni Jain <Saloni.Jain@kpit.com>
Signed-off-by: Armin Kuster <akuster808@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Diffstat (limited to 'meta/recipes-extended')
| -rw-r--r-- | meta/recipes-extended/bzip2/bzip2-1.0.6/CVE-2019-12900.patch | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/meta/recipes-extended/bzip2/bzip2-1.0.6/CVE-2019-12900.patch b/meta/recipes-extended/bzip2/bzip2-1.0.6/CVE-2019-12900.patch new file mode 100644 index 0000000000..9859d9d1a2 --- /dev/null +++ b/meta/recipes-extended/bzip2/bzip2-1.0.6/CVE-2019-12900.patch @@ -0,0 +1,36 @@ +From 74de1e2e6ffc9d51ef9824db71a8ffee5962cdbc Mon Sep 17 00:00:00 2001 +From: Albert Astals Cid <aacid@kde.org> +Date: Tue, 28 May 2019 19:35:18 +0200 +Subject: [PATCH] Make sure nSelectors is not out of range + +nSelectors is used in a loop from 0 to nSelectors to access selectorMtf +which is +UChar selectorMtf[BZ_MAX_SELECTORS]; +so if nSelectors is bigger than BZ_MAX_SELECTORS it'll do an invalid memory +access +Fixes out of bounds access discovered while fuzzying karchive + +Link: https://gitlab.com/federicomenaquintero/bzip2/commit/74de1e2e6ffc9d51ef9824db71a8ffee5962cdbc.patch + +Upstream-Status: Backport +CVE: CVE-2019-12900.patch +Signed-off-by: Saloni Jain <Saloni.Jain@kpit.com> +--- + decompress.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +diff --git a/decompress.c b/decompress.c +index ab6a624..f3db91d 100644 +--- a/decompress.c ++++ b/decompress.c +@@ -287,7 +287,7 @@ Int32 BZ2_decompress ( DState* s ) + GET_BITS(BZ_X_SELECTOR_1, nGroups, 3); + if (nGroups < 2 || nGroups > 6) RETURN(BZ_DATA_ERROR); + GET_BITS(BZ_X_SELECTOR_2, nSelectors, 15); +- if (nSelectors < 1) RETURN(BZ_DATA_ERROR); ++ if (nSelectors < 1 || nSelectors > BZ_MAX_SELECTORS) RETURN(BZ_DATA_ERROR); + for (i = 0; i < nSelectors; i++) { + j = 0; + while (True) { +-- +2.22.0 |