diff mbox series

busybox: Add fix for CVE-2023-42366

Message ID 20240714190133.946311-1-raj.khem@gmail.com
State Accepted, archived
Commit 34ba71151c93d6fb19469555131519dcb820ab3c
Headers show
Series busybox: Add fix for CVE-2023-42366 | expand

Commit Message

Khem Raj July 14, 2024, 7:01 p.m. UTC
Signed-off-by: Khem Raj <raj.khem@gmail.com>
---
 ...1-awk.c-fix-CVE-2023-42366-bug-15874.patch | 37 +++++++++++++++++++
 meta/recipes-core/busybox/busybox_1.36.1.bb   |  1 +
 2 files changed, 38 insertions(+)
 create mode 100644 meta/recipes-core/busybox/busybox/0001-awk.c-fix-CVE-2023-42366-bug-15874.patch

Comments

patchtest@automation.yoctoproject.org July 14, 2024, 7:18 p.m. UTC | #1
Thank you for your submission. Patchtest identified one
or more issues with the patch. Please see the log below for
more information:

---
Testing patch /home/patchtest/share/mboxes/busybox-Add-fix-for-CVE-2023-42366.patch

FAIL: test commit message presence: Please include a commit message on your patch explaining the change (test_mbox.TestMbox.test_commit_message_presence)

PASS: test CVE check ignore (test_metadata.TestMetadata.test_cve_check_ignore)
PASS: test CVE tag format (test_patch.TestPatch.test_cve_tag_format)
PASS: test Signed-off-by presence (test_mbox.TestMbox.test_signed_off_by_presence)
PASS: test Signed-off-by presence (test_patch.TestPatch.test_signed_off_by_presence)
PASS: test Upstream-Status presence (test_patch.TestPatch.test_upstream_status_presence_format)
PASS: test author valid (test_mbox.TestMbox.test_author_valid)
PASS: test lic files chksum modified not mentioned (test_metadata.TestMetadata.test_lic_files_chksum_modified_not_mentioned)
PASS: test max line length (test_metadata.TestMetadata.test_max_line_length)
PASS: test mbox format (test_mbox.TestMbox.test_mbox_format)
PASS: test non-AUH upgrade (test_mbox.TestMbox.test_non_auh_upgrade)
PASS: test shortlog format (test_mbox.TestMbox.test_shortlog_format)
PASS: test shortlog length (test_mbox.TestMbox.test_shortlog_length)
PASS: test target mailing list (test_mbox.TestMbox.test_target_mailing_list)

SKIP: pretest pylint: No python related patches, skipping test (test_python_pylint.PyLint.pretest_pylint)
SKIP: pretest src uri left files: Patch cannot be merged (test_metadata.TestMetadata.pretest_src_uri_left_files)
SKIP: test bugzilla entry format: No bug ID found (test_mbox.TestMbox.test_bugzilla_entry_format)
SKIP: test lic files chksum presence: No added recipes, skipping test (test_metadata.TestMetadata.test_lic_files_chksum_presence)
SKIP: test license presence: No added recipes, skipping test (test_metadata.TestMetadata.test_license_presence)
SKIP: test pylint: No python related patches, skipping test (test_python_pylint.PyLint.test_pylint)
SKIP: test series merge on head: Merge test is disabled for now (test_mbox.TestMbox.test_series_merge_on_head)
SKIP: test src uri left files: Patch cannot be merged (test_metadata.TestMetadata.test_src_uri_left_files)
SKIP: test summary presence: No added recipes, skipping test (test_metadata.TestMetadata.test_summary_presence)

---

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diff mbox series

Patch

diff --git a/meta/recipes-core/busybox/busybox/0001-awk.c-fix-CVE-2023-42366-bug-15874.patch b/meta/recipes-core/busybox/busybox/0001-awk.c-fix-CVE-2023-42366-bug-15874.patch
new file mode 100644
index 00000000000..282c2fde5a5
--- /dev/null
+++ b/meta/recipes-core/busybox/busybox/0001-awk.c-fix-CVE-2023-42366-bug-15874.patch
@@ -0,0 +1,37 @@ 
+From 8542236894a8d5f7393327117bc7f64787444efc Mon Sep 17 00:00:00 2001
+From: Valery Ushakov <uwe@stderr.spb.ru>
+Date: Wed, 24 Jan 2024 22:24:41 +0300
+Subject: [PATCH] awk.c: fix CVE-2023-42366 (bug #15874)
+
+Make sure we don't read past the end of the string in next_token()
+when backslash is the last character in an (invalid) regexp.
+a fix and issue reported in bugzilla
+
+https://bugs.busybox.net/show_bug.cgi?id=15874
+
+Upstream-Status: Submitted [http://lists.busybox.net/pipermail/busybox/2024-May/090766.html]
+
+CVE: CVE-2023-42366
+Signed-off-by: Khem Raj <raj.khem@gmail.com>
+---
+ editors/awk.c | 6 ++++--
+ 1 file changed, 4 insertions(+), 2 deletions(-)
+
+diff --git a/editors/awk.c b/editors/awk.c
+index f320d8c..a53b193 100644
+--- a/editors/awk.c
++++ b/editors/awk.c
+@@ -1168,9 +1168,11 @@ static uint32_t next_token(uint32_t expected)
+ 					s[-1] = bb_process_escape_sequence((const char **)&pp);
+ 					if (*p == '\\')
+ 						*s++ = '\\';
+-					if (pp == p)
++					if (pp == p) {
++						if (*p == '\0')
++							syntax_error(EMSG_UNEXP_EOS);
+ 						*s++ = *p++;
+-					else
++					} else
+ 						p = pp;
+ 				}
+ 			}
diff --git a/meta/recipes-core/busybox/busybox_1.36.1.bb b/meta/recipes-core/busybox/busybox_1.36.1.bb
index 6972eef81ff..980a96b88ae 100644
--- a/meta/recipes-core/busybox/busybox_1.36.1.bb
+++ b/meta/recipes-core/busybox/busybox_1.36.1.bb
@@ -55,6 +55,7 @@  SRC_URI = "https://busybox.net/downloads/busybox-${PV}.tar.bz2;name=tarball \
            file://busybox-1.36.1-no-cbq.patch \
            file://0001-awk-fix-precedence-of-relative-to.patch \
            file://0002-awk-fix-ternary-operator-and-precedence-of.patch \
+           file://0001-awk.c-fix-CVE-2023-42366-bug-15874.patch \
            "
 SRC_URI:append:libc-musl = " file://musl.cfg "
 # TODO http://lists.busybox.net/pipermail/busybox/2023-January/090078.html