From: Sana Kazi <sana.k...@kpit.com> Added patch for CVE-2019-12900 as backport from upstream. Fixes out of bound access discovered while fuzzying karchive.
Tested by: sana.k...@kpit.com Signed-off-by: Saloni Jain <saloni.j...@kpit.com> --- .../bzip2/bzip2-1.0.6/CVE-2019-12900.patch | 36 ++++++++++++++++++++++ meta/recipes-extended/bzip2/bzip2_1.0.6.bb | 2 ++ 2 files changed, 38 insertions(+) create mode 100644 meta/recipes-extended/bzip2/bzip2-1.0.6/CVE-2019-12900.patch 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 0000000..c2eb82a --- /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 <aa...@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.j...@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 diff --git a/meta/recipes-extended/bzip2/bzip2_1.0.6.bb b/meta/recipes-extended/bzip2/bzip2_1.0.6.bb index acbf80a..688e177 100644 --- a/meta/recipes-extended/bzip2/bzip2_1.0.6.bb +++ b/meta/recipes-extended/bzip2/bzip2_1.0.6.bb @@ -8,12 +8,14 @@ LICENSE = "bzip2" LIC_FILES_CHKSUM = "file://LICENSE;beginline=8;endline=37;md5=40d9d1eb05736d1bfc86cfdd9106e6b2" PR = "r5" +FILESEXTRAPATHS_prepend := "${THISDIR}/bzip2-1.0.6:" SRC_URI = "http://downloads.yoctoproject.org/mirror/sources/${BP}.tar.gz \ file://fix-bunzip2-qt-returns-0-for-corrupt-archives.patch \ file://configure.ac;subdir=${BP} \ file://Makefile.am;subdir=${BP} \ file://run-ptest \ file://CVE-2016-3189.patch \ + file://CVE-2019-12900.patch \ " SRC_URI[md5sum] = "00b516f4704d4a7cb50a1d97e6e8e15b" -- 2.7.4 This message contains information that may be privileged or confidential and is the property of the KPIT Technologies Ltd. It is intended only for the person to whom it is addressed. If you are not the intended recipient, you are not authorized to read, print, retain copy, disseminate, distribute, or use this message or any part thereof. If you receive this message in error, please notify the sender immediately and delete all copies of this message. KPIT Technologies Ltd. does not accept any liability for virus infected mails. -- _______________________________________________ Openembedded-core mailing list Openembedded-core@lists.openembedded.org http://lists.openembedded.org/mailman/listinfo/openembedded-core
