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
---
.../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 00..45b6492fcb
--- /dev/null
+++ b/meta/recipes-support/libpcre/libpcre2/CVE-2022-41409.patch
@@ -0,0 +1,63 @@
+From: 94e1c001761373b7d9450768aa15d04c25547a3
+From: Philip Hazel
+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
+---
+ 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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