CVE-2017-6508: CRLF injection vulnerability in the url_parse function in url.c in Wget through 1.19.1 allows remote attackers to inject arbitrary HTTP headers via CRLF sequences in the host subcomponent of a URL.
External References: https://nvd.nist.gov/vuln/detail/CVE-2017-6508 Patch from: http://git.savannah.gnu.org/cgit/wget.git/commit/?id=4d729e322fae359a1aefaafec1144764a54e8ad4 Signed-off-by: Yi Zhao <yi.z...@windriver.com> --- .../recipes-extended/wget/wget/CVE-2017-6508.patch | 44 ++++++++++++++++++++++ meta/recipes-extended/wget/wget_1.19.1.bb | 1 + 2 files changed, 45 insertions(+) create mode 100644 meta/recipes-extended/wget/wget/CVE-2017-6508.patch diff --git a/meta/recipes-extended/wget/wget/CVE-2017-6508.patch b/meta/recipes-extended/wget/wget/CVE-2017-6508.patch new file mode 100644 index 0000000..b9c290f --- /dev/null +++ b/meta/recipes-extended/wget/wget/CVE-2017-6508.patch @@ -0,0 +1,44 @@ +From 4d729e322fae359a1aefaafec1144764a54e8ad4 Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Tim=20R=C3=BChsen?= <tim.rueh...@gmx.de> +Date: Mon, 6 Mar 2017 10:04:22 +0100 +Subject: [PATCH] Fix CRLF injection in Wget host part + +* src/url.c (url_parse): Reject control characters in host part of URL + +Reported-by: Orange Tsai + +Upstream-Status: Backport +[http://git.savannah.gnu.org/cgit/wget.git/commit/?id=4d729e322fae359a1aefaafec1144764a54e8ad4] + +CVE: CVE-2017-6508 + +Signed-off-by: Yi Zhao <yi.z...@windriver.com> +--- + src/url.c | 11 +++++++++++ + 1 file changed, 11 insertions(+) + +diff --git a/src/url.c b/src/url.c +index 8f8ff0b..7d36b27 100644 +--- a/src/url.c ++++ b/src/url.c +@@ -925,6 +925,17 @@ url_parse (const char *url, int *error, struct iri *iri, bool percent_encode) + url_unescape (u->host); + host_modified = true; + ++ /* check for invalid control characters in host name */ ++ for (p = u->host; *p; p++) ++ { ++ if (c_iscntrl(*p)) ++ { ++ url_free(u); ++ error_code = PE_INVALID_HOST_NAME; ++ goto error; ++ } ++ } ++ + /* Apply IDNA regardless of iri->utf8_encode status */ + if (opt.enable_iri && iri) + { +-- +2.7.4 + diff --git a/meta/recipes-extended/wget/wget_1.19.1.bb b/meta/recipes-extended/wget/wget_1.19.1.bb index 62313b2..78bde95 100644 --- a/meta/recipes-extended/wget/wget_1.19.1.bb +++ b/meta/recipes-extended/wget/wget_1.19.1.bb @@ -1,5 +1,6 @@ SRC_URI = "${GNU_MIRROR}/wget/wget-${PV}.tar.gz \ file://0001-Unset-need_charset_alias-when-building-for-musl.patch \ + file://CVE-2017-6508.patch \ " SRC_URI[md5sum] = "87cea36b7161fd43e3fd51a4e8b89689" -- 2.7.4 -- _______________________________________________ Openembedded-core mailing list Openembedded-core@lists.openembedded.org http://lists.openembedded.org/mailman/listinfo/openembedded-core
