[oe-commits] [openembedded-core] 04/10: curl: CVE-2018-14618
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Thu Sep 20 16:06:20 UTC 2018
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commit b76903b4b7bfec71be0a8a14e2cab4e2ec852222
Author: Zhixiong Chi <zhixiong.chi at windriver.com>
AuthorDate: Tue Sep 18 01:46:17 2018 -0700
curl: CVE-2018-14618
Backport the CVE patch from the upstream
https://github.com/curl/curl/commit/57d299a499155d4b327e341c6024e293b0418243.patch
https://curl.haxx.se/docs/CVE-2018-14618.html
https://nvd.nist.gov/vuln/detail/CVE-2018-14618
Signed-off-by: Zhixiong Chi <zhixiong.chi at windriver.com>
Signed-off-by: Ross Burton <ross.burton at intel.com>
---
.../recipes-support/curl/curl/CVE-2018-14618.patch | 37 ++++++++++++++++++++++
meta/recipes-support/curl/curl_7.61.0.bb | 1 +
2 files changed, 38 insertions(+)
diff --git a/meta/recipes-support/curl/curl/CVE-2018-14618.patch b/meta/recipes-support/curl/curl/CVE-2018-14618.patch
new file mode 100644
index 0000000..db07b43
--- /dev/null
+++ b/meta/recipes-support/curl/curl/CVE-2018-14618.patch
@@ -0,0 +1,37 @@
+From 57d299a499155d4b327e341c6024e293b0418243 Mon Sep 17 00:00:00 2001
+From: Daniel Stenberg <daniel at haxx.se>
+Date: Mon, 13 Aug 2018 10:35:52 +0200
+Subject: [PATCH] Curl_ntlm_core_mk_nt_hash: return error on too long password
+
+... since it would cause an integer overflow if longer than (max size_t
+/ 2).
+
+This is CVE-2018-14618
+
+Bug: https://curl.haxx.se/docs/CVE-2018-14618.html
+Closes #2756
+Reported-by: Zhaoyang Wu
+
+CVE: CVE-2018-14618
+Upstream-Status: Backport
+Signed-off-by: Zhixiong Chi <zhixiong.chi at windriver.com>
+---
+ lib/curl_ntlm_core.c | 5 ++++-
+ 1 file changed, 4 insertions(+), 1 deletion(-)
+
+diff --git a/lib/curl_ntlm_core.c b/lib/curl_ntlm_core.c
+index e27cab353c..922e85a926 100644
+--- a/lib/curl_ntlm_core.c
++++ b/lib/curl_ntlm_core.c
+@@ -557,8 +557,11 @@ CURLcode Curl_ntlm_core_mk_nt_hash(struct Curl_easy *data,
+ unsigned char *ntbuffer /* 21 bytes */)
+ {
+ size_t len = strlen(password);
+- unsigned char *pw = len ? malloc(len * 2) : strdup("");
++ unsigned char *pw;
+ CURLcode result;
++ if(len > SIZE_T_MAX/2) /* avoid integer overflow */
++ return CURLE_OUT_OF_MEMORY;
++ pw = len ? malloc(len * 2) : strdup("");
+ if(!pw)
+ return CURLE_OUT_OF_MEMORY;
diff --git a/meta/recipes-support/curl/curl_7.61.0.bb b/meta/recipes-support/curl/curl_7.61.0.bb
index cabfcff..4f408d2 100644
--- a/meta/recipes-support/curl/curl_7.61.0.bb
+++ b/meta/recipes-support/curl/curl_7.61.0.bb
@@ -7,6 +7,7 @@ LIC_FILES_CHKSUM = "file://COPYING;beginline=8;md5=3a34942f4ae3fbf1a303160714e66
SRC_URI = "http://curl.haxx.se/download/curl-${PV}.tar.bz2 \
file://0001-replace-krb5-config-with-pkg-config.patch \
+ file://CVE-2018-14618.patch \
"
SRC_URI[md5sum] = "31d0a9f48dc796a7db351898a1e5058a"
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