Integer overflow vulnerability in pcre2test before 10.41 allows attackers to cause a denial of service or other unspecified impacts via negative input.
References: https://nvd.nist.gov/vuln/detail/CVE-2022-41409 Upstream patches: https://github.com/PCRE2Project/pcre2/commit/94e1c001761373b7d9450768aa15d04c25547a35 Signed-off-by: Archana Polampalli <[email protected]> --- .../libpcre/libpcre2/CVE-2022-41409.patch | 63 +++++++++++++++++++ .../recipes-support/libpcre/libpcre2_10.40.bb | 1 + 2 files changed, 64 insertions(+) create mode 100644 meta/recipes-support/libpcre/libpcre2/CVE-2022-41409.patch diff --git a/meta/recipes-support/libpcre/libpcre2/CVE-2022-41409.patch b/meta/recipes-support/libpcre/libpcre2/CVE-2022-41409.patch new file mode 100644 index 0000000000..45b6492fcb --- /dev/null +++ b/meta/recipes-support/libpcre/libpcre2/CVE-2022-41409.patch @@ -0,0 +1,63 @@ +From: 94e1c001761373b7d9450768aa15d04c25547a3 +From: Philip Hazel <[email protected]> +Date: Tue Aug 16 17:00:45 2022 +0100 +Subject: [PATCH] Diagnose negative repeat value in pcre2test subject line + +drop change in ChangeLog + +Upstream-Status: Backport [https://github.com/PCRE2Project/pcre2/commit/94e1c001761373b7d9450768aa15d04c25547a35] + +CVE: CVE-2022-41916 + +Signed-off-by: Archana Polampalli <[email protected]> +--- + src/pcre2test.c | 4 ++-- + testdata/testinput2 | 3 +++ + testdata/testoutput2 | 4 ++++ + 3 files changed, 9 insertions(+), 2 deletions(-) + +diff --git a/src/pcre2test.c b/src/pcre2test.c +index ea52a20..378529a 100644 +--- a/src/pcre2test.c ++++ b/src/pcre2test.c +@@ -6781,9 +6781,9 @@ while ((c = *p++) != 0) + } + + i = (int32_t)li; +- if (i-- == 0) ++ if (i-- <= 0) + { +- fprintf(outfile, "** Zero repeat not allowed\n"); ++ fprintf(outfile, "** Zero or negative repeat not allowed\n"); + return PR_OK; + } + +diff --git a/testdata/testinput2 b/testdata/testinput2 +index d37d8f3..717ba2a 100644 +--- a/testdata/testinput2 ++++ b/testdata/testinput2 +@@ -5932,4 +5932,7 @@ a)"xI + /[Aa]{2,3}/BI + aabcd + ++-- ++ \[X]{-10} ++ + # End of testinput2 +diff --git a/testdata/testoutput2 b/testdata/testoutput2 +index ce090f8..d2188d3 100644 +--- a/testdata/testoutput2 ++++ b/testdata/testoutput2 +@@ -17746,6 +17746,10 @@ Subject length lower bound = 2 + aabcd + 0: aa + ++-- ++ \[X]{-10} ++** Zero or negative repeat not allowed ++ + # End of testinput2 + Error -70: PCRE2_ERROR_BADDATA (unknown error number) + Error -62: bad serialized data +-- +2.40.0 diff --git a/meta/recipes-support/libpcre/libpcre2_10.40.bb b/meta/recipes-support/libpcre/libpcre2_10.40.bb index 3843d43b69..e88b9196a0 100644 --- a/meta/recipes-support/libpcre/libpcre2_10.40.bb +++ b/meta/recipes-support/libpcre/libpcre2_10.40.bb @@ -11,6 +11,7 @@ LICENSE = "BSD-3-Clause" LIC_FILES_CHKSUM = "file://LICENCE;md5=41bfb977e4933c506588724ce69bf5d2" SRC_URI = "https://github.com/PhilipHazel/pcre2/releases/download/pcre2-${PV}/pcre2-${PV}.tar.bz2 \ + file://CVE-2022-41409.patch \ " UPSTREAM_CHECK_URI = "https://github.com/PhilipHazel/pcre2/releases"; -- 2.40.0
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