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authorChangqing Li <changqing.li@windriver.com>2021-08-10 11:55:40 +0800
committerKhem Raj <raj.khem@gmail.com>2021-08-10 09:01:46 -0700
commit7fd9678e645fb1c167d70f3a7336a7832e9e0693 (patch)
treed54ec5f650f3f8c10d165d1b9ff6fa65837c47d6 /meta-networking/recipes-support/ntopng
parent242ba8e2fc4395b2bdc47c46e40c7f84402798c4 (diff)
downloadmeta-openembedded-7fd9678e645fb1c167d70f3a7336a7832e9e0693.tar.gz
ndpi: fix CVE-2021-36082
Signed-off-by: Changqing Li <changqing.li@windriver.com> Signed-off-by: Khem Raj <raj.khem@gmail.com>
Diffstat (limited to 'meta-networking/recipes-support/ntopng')
-rw-r--r--meta-networking/recipes-support/ntopng/files/CVE-2021-36082.patch116
-rw-r--r--meta-networking/recipes-support/ntopng/ndpi_3.4.bb1
2 files changed, 117 insertions, 0 deletions
diff --git a/meta-networking/recipes-support/ntopng/files/CVE-2021-36082.patch b/meta-networking/recipes-support/ntopng/files/CVE-2021-36082.patch
new file mode 100644
index 000000000..8fdd62d18
--- /dev/null
+++ b/meta-networking/recipes-support/ntopng/files/CVE-2021-36082.patch
@@ -0,0 +1,116 @@
1From 1ec621c85b9411cc611652fd57a892cfef478af3 Mon Sep 17 00:00:00 2001
2From: Luca Deri <deri@ntop.org>
3Date: Sat, 15 May 2021 19:53:46 +0200
4Subject: [PATCH] Added further checks
5
6Upstream-Status: Backport [https://github.com/ntop/nDPI/commit/1ec621c85b9411cc611652fd57a892cfef478af3]
7CVE: CVE-2021-36082
8
9Signed-off-by: Changqing Li <changqing.li@windriver.com>
10
11---
12 src/lib/protocols/netbios.c | 2 +-
13 src/lib/protocols/tls.c | 32 +++++++++++++++++---------------
14 2 files changed, 18 insertions(+), 16 deletions(-)
15
16diff --git a/src/lib/protocols/netbios.c b/src/lib/protocols/netbios.c
17index 1f3850cb..0d3b705f 100644
18--- a/src/lib/protocols/netbios.c
19+++ b/src/lib/protocols/netbios.c
20@@ -42,7 +42,7 @@ int ndpi_netbios_name_interpret(char *in, size_t inlen, char *out, u_int out_len
21 int ret = 0, len, idx = inlen;
22 char *b;
23
24- len = (*in++)/2;
25+ len = (*in++)/2, inlen--;
26 b = out;
27 *out = 0;
28
29diff --git a/src/lib/protocols/tls.c b/src/lib/protocols/tls.c
30index 5b572cae..c115ac08 100644
31--- a/src/lib/protocols/tls.c
32+++ b/src/lib/protocols/tls.c
33@@ -994,21 +994,23 @@ int processClientServerHello(struct ndpi_detection_module_struct *ndpi_struct,
34 i += 4 + extension_len, offset += 4 + extension_len;
35 }
36
37- ja3_str_len = snprintf(ja3_str, sizeof(ja3_str), "%u,", ja3.tls_handshake_version);
38+ ja3_str_len = snprintf(ja3_str, JA3_STR_LEN, "%u,", ja3.tls_handshake_version);
39
40- for(i=0; i<ja3.num_cipher; i++) {
41- rc = snprintf(&ja3_str[ja3_str_len], sizeof(ja3_str)-ja3_str_len, "%s%u", (i > 0) ? "-" : "", ja3.cipher[i]);
42+ for(i=0; (i<ja3.num_cipher) && (JA3_STR_LEN > ja3_str_len); i++) {
43+ rc = snprintf(&ja3_str[ja3_str_len], JA3_STR_LEN-ja3_str_len, "%s%u", (i > 0) ? "-" : "", ja3.cipher[i]);
44
45 if(rc <= 0) break; else ja3_str_len += rc;
46 }
47
48- rc = snprintf(&ja3_str[ja3_str_len], sizeof(ja3_str)-ja3_str_len, ",");
49- if(rc > 0 && ja3_str_len + rc < JA3_STR_LEN) ja3_str_len += rc;
50+ if(JA3_STR_LEN > ja3_str_len) {
51+ rc = snprintf(&ja3_str[ja3_str_len], JA3_STR_LEN-ja3_str_len, ",");
52+ if(rc > 0 && ja3_str_len + rc < JA3_STR_LEN) ja3_str_len += rc;
53+ }
54
55 /* ********** */
56
57- for(i=0; i<ja3.num_tls_extension; i++) {
58- int rc = snprintf(&ja3_str[ja3_str_len], sizeof(ja3_str)-ja3_str_len, "%s%u", (i > 0) ? "-" : "", ja3.tls_extension[i]);
59+ for(i=0; (i<ja3.num_tls_extension) && (JA3_STR_LEN-ja3_str_len); i++) {
60+ int rc = snprintf(&ja3_str[ja3_str_len], JA3_STR_LEN-ja3_str_len, "%s%u", (i > 0) ? "-" : "", ja3.tls_extension[i]);
61
62 if(rc <= 0) break; else ja3_str_len += rc;
63 }
64@@ -1443,41 +1445,41 @@ int processClientServerHello(struct ndpi_detection_module_struct *ndpi_struct,
65 int rc;
66
67 compute_ja3c:
68- ja3_str_len = snprintf(ja3_str, sizeof(ja3_str), "%u,", ja3.tls_handshake_version);
69+ ja3_str_len = snprintf(ja3_str, JA3_STR_LEN, "%u,", ja3.tls_handshake_version);
70
71 for(i=0; i<ja3.num_cipher; i++) {
72- rc = snprintf(&ja3_str[ja3_str_len], sizeof(ja3_str)-ja3_str_len, "%s%u",
73+ rc = snprintf(&ja3_str[ja3_str_len], JA3_STR_LEN-ja3_str_len, "%s%u",
74 (i > 0) ? "-" : "", ja3.cipher[i]);
75 if(rc > 0 && ja3_str_len + rc < JA3_STR_LEN) ja3_str_len += rc; else break;
76 }
77
78- rc = snprintf(&ja3_str[ja3_str_len], sizeof(ja3_str)-ja3_str_len, ",");
79+ rc = snprintf(&ja3_str[ja3_str_len], JA3_STR_LEN-ja3_str_len, ",");
80 if(rc > 0 && ja3_str_len + rc < JA3_STR_LEN) ja3_str_len += rc;
81
82 /* ********** */
83
84 for(i=0; i<ja3.num_tls_extension; i++) {
85- rc = snprintf(&ja3_str[ja3_str_len], sizeof(ja3_str)-ja3_str_len, "%s%u",
86+ rc = snprintf(&ja3_str[ja3_str_len], JA3_STR_LEN-ja3_str_len, "%s%u",
87 (i > 0) ? "-" : "", ja3.tls_extension[i]);
88 if(rc > 0 && ja3_str_len + rc < JA3_STR_LEN) ja3_str_len += rc; else break;
89 }
90
91- rc = snprintf(&ja3_str[ja3_str_len], sizeof(ja3_str)-ja3_str_len, ",");
92+ rc = snprintf(&ja3_str[ja3_str_len], JA3_STR_LEN-ja3_str_len, ",");
93 if(rc > 0 && ja3_str_len + rc < JA3_STR_LEN) ja3_str_len += rc;
94
95 /* ********** */
96
97 for(i=0; i<ja3.num_elliptic_curve; i++) {
98- rc = snprintf(&ja3_str[ja3_str_len], sizeof(ja3_str)-ja3_str_len, "%s%u",
99+ rc = snprintf(&ja3_str[ja3_str_len], JA3_STR_LEN-ja3_str_len, "%s%u",
100 (i > 0) ? "-" : "", ja3.elliptic_curve[i]);
101 if(rc > 0 && ja3_str_len + rc < JA3_STR_LEN) ja3_str_len += rc; else break;
102 }
103
104- rc = snprintf(&ja3_str[ja3_str_len], sizeof(ja3_str)-ja3_str_len, ",");
105+ rc = snprintf(&ja3_str[ja3_str_len], JA3_STR_LEN-ja3_str_len, ",");
106 if(rc > 0 && ja3_str_len + rc < JA3_STR_LEN) ja3_str_len += rc;
107
108 for(i=0; i<ja3.num_elliptic_curve_point_format; i++) {
109- rc = snprintf(&ja3_str[ja3_str_len], sizeof(ja3_str)-ja3_str_len, "%s%u",
110+ rc = snprintf(&ja3_str[ja3_str_len], JA3_STR_LEN-ja3_str_len, "%s%u",
111 (i > 0) ? "-" : "", ja3.elliptic_curve_point_format[i]);
112 if(rc > 0 && ja3_str_len + rc < JA3_STR_LEN) ja3_str_len += rc; else break;
113 }
114--
1152.17.1
116
diff --git a/meta-networking/recipes-support/ntopng/ndpi_3.4.bb b/meta-networking/recipes-support/ntopng/ndpi_3.4.bb
index cfc60a7aa..89450f562 100644
--- a/meta-networking/recipes-support/ntopng/ndpi_3.4.bb
+++ b/meta-networking/recipes-support/ntopng/ndpi_3.4.bb
@@ -11,6 +11,7 @@ LIC_FILES_CHKSUM = "file://COPYING;md5=b52f2d57d10c4f7ee67a7eb9615d5d24"
11SRCREV = "64929a75e0a7a60d864bd25a9fd97fdf9ac892a2" 11SRCREV = "64929a75e0a7a60d864bd25a9fd97fdf9ac892a2"
12SRC_URI = "git://github.com/ntop/nDPI.git;branch=3.4-stable \ 12SRC_URI = "git://github.com/ntop/nDPI.git;branch=3.4-stable \
13 file://0001-autogen.sh-not-generate-configure.patch \ 13 file://0001-autogen.sh-not-generate-configure.patch \
14 file://CVE-2021-36082.patch \
14" 15"
15 16
16S = "${WORKDIR}/git" 17S = "${WORKDIR}/git"
generated by cgit v1.2.3-54-g00ecf (git 2.39.0) at 2024-11-14 19:39:09 +0000