From 057dcb3ee3f85e69323c7d7ebe5426b2b3656c39 Mon Sep 17 00:00:00 2001 From: Adrian Bunk Date: Fri, 17 Jan 2020 19:14:28 +0200 Subject: lighttpd: Backport the CVE-2019-11072 fix (From OE-Core rev: abc2d1fad91f1378be3946e35d8f8f450823599e) Signed-off-by: Adrian Bunk Signed-off-by: Richard Purdie --- ...re-fix-abort-in-http-parseopts-fixes-2945.patch | 54 ++++++++++++++++++++++ 1 file changed, 54 insertions(+) create mode 100644 meta/recipes-extended/lighttpd/lighttpd/0001-core-fix-abort-in-http-parseopts-fixes-2945.patch (limited to 'meta/recipes-extended/lighttpd/lighttpd/0001-core-fix-abort-in-http-parseopts-fixes-2945.patch') diff --git a/meta/recipes-extended/lighttpd/lighttpd/0001-core-fix-abort-in-http-parseopts-fixes-2945.patch b/meta/recipes-extended/lighttpd/lighttpd/0001-core-fix-abort-in-http-parseopts-fixes-2945.patch new file mode 100644 index 0000000000..123bb94c60 --- /dev/null +++ b/meta/recipes-extended/lighttpd/lighttpd/0001-core-fix-abort-in-http-parseopts-fixes-2945.patch @@ -0,0 +1,54 @@ +From 32120d5b8b3203fc21ccb9eafb0eaf824bb59354 Mon Sep 17 00:00:00 2001 +From: Glenn Strauss +Date: Wed, 10 Apr 2019 11:28:10 -0400 +Subject: [core] fix abort in http-parseopts (fixes #2945) + +fix abort in server.http-parseopts with url-path-2f-decode enabled + +(thx stze) + +x-ref: + "Security - SIGABRT during GET request handling with url-path-2f-decode enabled" + https://redmine.lighttpd.net/issues/2945 + +CVE: CVE-2019-11072 +Upstream-Status: Backport +Signed-off-by: Adrian Bunk +--- + src/burl.c | 6 ++++-- + src/t/test_burl.c | 2 ++ + 2 files changed, 6 insertions(+), 2 deletions(-) + +diff --git a/src/burl.c b/src/burl.c +index 51182628..c4b928fd 100644 +--- a/src/burl.c ++++ b/src/burl.c +@@ -252,8 +252,10 @@ static int burl_normalize_2F_to_slash_fix (buffer *b, int qs, int i) + } + } + if (qs >= 0) { +- memmove(s+j, s+qs, blen - qs); +- j += blen - qs; ++ const int qslen = blen - qs; ++ memmove(s+j, s+qs, (size_t)qslen); ++ qs = j; ++ j += qslen; + } + buffer_string_set_length(b, j); + return qs; +diff --git a/src/t/test_burl.c b/src/t/test_burl.c +index 7be9be50..f7a16815 100644 +--- a/src/t/test_burl.c ++++ b/src/t/test_burl.c +@@ -97,6 +97,8 @@ static void test_burl_normalize (void) { + flags |= HTTP_PARSEOPT_URL_NORMALIZE_PATH_2F_DECODE; + run_burl_normalize(psrc, ptmp, flags, __LINE__, CONST_STR_LEN("/a/b?c=/"), CONST_STR_LEN("/a/b?c=/")); + run_burl_normalize(psrc, ptmp, flags, __LINE__, CONST_STR_LEN("/a/b?c=%2f"), CONST_STR_LEN("/a/b?c=/")); ++ run_burl_normalize(psrc, ptmp, flags, __LINE__, CONST_STR_LEN("%2f?"), CONST_STR_LEN("/?")); ++ run_burl_normalize(psrc, ptmp, flags, __LINE__, CONST_STR_LEN("/%2f?"), CONST_STR_LEN("//?")); + run_burl_normalize(psrc, ptmp, flags, __LINE__, CONST_STR_LEN("/a%2fb"), CONST_STR_LEN("/a/b")); + run_burl_normalize(psrc, ptmp, flags, __LINE__, CONST_STR_LEN("/a%2Fb"), CONST_STR_LEN("/a/b")); + run_burl_normalize(psrc, ptmp, flags, __LINE__, CONST_STR_LEN("/a%2fb?c=/"), CONST_STR_LEN("/a/b?c=/")); +-- +2.17.1 + -- cgit v1.2.3-54-g00ecf