diff options
| author |   alperak <alperyasinak1@gmail.com> | 2024-04-12 16:16:33 +0300 |
|---|---|---|
| committer |   Khem Raj <raj.khem@gmail.com> | 2024-04-12 08:57:34 -0700 |
| commit | b4980bfc97916f4896ac4a723f9a35a675c4228c (patch) | |
| tree | 7372692cae965dfb5070f9ba5e42a4ce36d5ec9f | |
| parent | 2f30540742cbcfdfdcc5beb6482b304d8643f230 (diff) | |
| download | meta-openembedded-contrib-b4980bfc97916f4896ac4a723f9a35a675c4228c.tar.gz | |
libcoap: fix CVE-2024-0962
CVE-2024-0962:
A vulnerability was found in obgm libcoap 4.3.4. It has been rated as critical. Affected by this issue is the function get_split_entry of the file src/coap_oscore.c of the component Configuration File Handler. The manipulation leads to stack-based buffer overflow.
Upstream-Status: Backport [https://github.com/obgm/libcoap/pull/1311]
WARNING: libcoap-4.3.4-r0 do_cve_check: Found unpatched CVE (CVE-2024-0962)
This vulnerability is only exist in 4.3.4.
Signed-off-by: alperak <alperyasinak1@gmail.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>
| -rw-r--r-- | meta-networking/recipes-devtools/libcoap/libcoap/CVE-2024-0962.patch | 45 | ||||
| -rw-r--r-- | meta-networking/recipes-devtools/libcoap/libcoap_4.3.4.bb | 1 |
2 files changed, 46 insertions, 0 deletions
diff --git a/meta-networking/recipes-devtools/libcoap/libcoap/CVE-2024-0962.patch b/meta-networking/recipes-devtools/libcoap/libcoap/CVE-2024-0962.patch new file mode 100644 index 0000000000..add52483b7 --- /dev/null +++ b/meta-networking/recipes-devtools/libcoap/libcoap/CVE-2024-0962.patch @@ -0,0 +1,45 @@ +From bf6a303883bde40cf96b960c8574cddd89e71701 Mon Sep 17 00:00:00 2001 +From: Jon Shallow <supjps-libcoap@jpshallow.com> +Date: Thu, 25 Jan 2024 18:03:17 +0000 +Subject: [PATCH] coap_oscore.c: Fix parsing OSCORE configuration information + +A vulnerability was found in obgm libcoap 4.3.4. It has been rated as critical. +Affected by this issue is the function get_split_entry of the file src/coap_oscore.c of the component Configuration File Handler. +The manipulation leads to stack-based buffer overflow. + +CVE: CVE-2024-0962 + +Upstream-Status: Backport [https://github.com/obgm/libcoap/pull/1311] + +Signed-off-by: alperak <alperyasinak1@gmail.com> +--- + src/coap_oscore.c | 5 +++-- + 1 file changed, 3 insertions(+), 2 deletions(-) + +diff --git a/src/coap_oscore.c b/src/coap_oscore.c +index 83f785c92..e0fb22947 100644 +--- a/src/coap_oscore.c ++++ b/src/coap_oscore.c +@@ -1678,11 +1678,12 @@ get_split_entry(const char **start, + oscore_value_t *value) { + const char *begin = *start; + const char *end; ++ const char *kend; + const char *split; + size_t i; + + retry: +- end = memchr(begin, '\n', size); ++ kend = end = memchr(begin, '\n', size); + if (end == NULL) + return 0; + +@@ -1693,7 +1694,7 @@ get_split_entry(const char **start, + + if (begin[0] == '#' || (end - begin) == 0) { + /* Skip comment / blank line */ +- size -= end - begin + 1; ++ size -= kend - begin + 1; + begin = *start; + goto retry; + } diff --git a/meta-networking/recipes-devtools/libcoap/libcoap_4.3.4.bb b/meta-networking/recipes-devtools/libcoap/libcoap_4.3.4.bb index 20bdbee252..98f0f02fb8 100644 --- a/meta-networking/recipes-devtools/libcoap/libcoap_4.3.4.bb +++ b/meta-networking/recipes-devtools/libcoap/libcoap_4.3.4.bb @@ -9,6 +9,7 @@ LIC_FILES_CHKSUM = "file://LICENSE;md5=1978dbc41673ab1c20e64b287c8317bc" SRC_URI = "git://github.com/obgm/libcoap.git;branch=main;protocol=https \ file://run-ptest \ + file://CVE-2024-0962.patch \ " SRCREV = "5fd2f89ef068214130e5d60b7087ef48711fa615" |