diff options
Diffstat (limited to 'meta/recipes-support/curl/curl/CVE-2022-22576.patch')
| -rw-r--r-- | meta/recipes-support/curl/curl/CVE-2022-22576.patch | 148 |
1 files changed, 148 insertions, 0 deletions
diff --git a/meta/recipes-support/curl/curl/CVE-2022-22576.patch b/meta/recipes-support/curl/curl/CVE-2022-22576.patch new file mode 100644 index 0000000000..13479e7f0e --- /dev/null +++ b/meta/recipes-support/curl/curl/CVE-2022-22576.patch @@ -0,0 +1,148 @@ +From 852aa5ad351ea53e5f01d2f44b5b4370c2bf5425 Mon Sep 17 00:00:00 2001 +From: Patrick Monnerat <patrick@monnerat.net> +Date: Mon, 25 Apr 2022 11:44:05 +0200 +Subject: [PATCH] url: check sasl additional parameters for connection reuse. + +Also move static function safecmp() as non-static Curl_safecmp() since +its purpose is needed at several places. + +Bug: https://curl.se/docs/CVE-2022-22576.html + +CVE-2022-22576 + +Closes #8746 +--- + lib/strcase.c | 10 ++++++++++ + lib/strcase.h | 2 ++ + lib/url.c | 13 ++++++++++++- + lib/urldata.h | 1 + + lib/vtls/vtls.c | 21 ++++++--------------- + 5 files changed, 31 insertions(+), 16 deletions(-) + +CVE: CVE-2022-22576 +Upstream-Status: Backport [https://github.com/curl/curl/commit/852aa5ad351ea53e5f01d2f44b5b4370c2bf5425.patch] +Comment: Refreshed patch +Signed-off-by: Sana.Kazi <Sana.Kazi@kpit.com> + +diff --git a/lib/strcase.c b/lib/strcase.c +index dd46ca1ba0e5..692a3f14aee7 100644 +--- a/lib/strcase.c ++++ b/lib/strcase.c +@@ -251,6 +251,16 @@ + } while(*src++ && --n); + } + ++/* Compare case-sensitive NUL-terminated strings, taking care of possible ++ * null pointers. Return true if arguments match. ++ */ ++bool Curl_safecmp(char *a, char *b) ++{ ++ if(a && b) ++ return !strcmp(a, b); ++ return !a && !b; ++} ++ + /* --- public functions --- */ + + int curl_strequal(const char *first, const char *second) +diff --git a/lib/strcase.h b/lib/strcase.h +index b234d3815220..2635f5117e99 100644 +--- a/lib/strcase.h ++++ b/lib/strcase.h +@@ -48,4 +48,6 @@ + void Curl_strntoupper(char *dest, const char *src, size_t n); + void Curl_strntolower(char *dest, const char *src, size_t n); + ++bool Curl_safecmp(char *a, char *b); ++ + #endif /* HEADER_CURL_STRCASE_H */ +diff --git a/lib/url.c b/lib/url.c +index 9a988b4d58d8..e1647b133854 100644 +--- a/lib/url.c ++++ b/lib/url.c +@@ -730,6 +730,7 @@ + Curl_safefree(conn->allocptr.host); + Curl_safefree(conn->allocptr.cookiehost); + Curl_safefree(conn->allocptr.rtsp_transport); ++ Curl_safefree(conn->oauth_bearer); + Curl_safefree(conn->trailer); + Curl_safefree(conn->host.rawalloc); /* host name buffer */ + Curl_safefree(conn->conn_to_host.rawalloc); /* host name buffer */ +@@ -1251,7 +1252,9 @@ + /* This protocol requires credentials per connection, + so verify that we're using the same name and password as well */ + if(strcmp(needle->user, check->user) || +- strcmp(needle->passwd, check->passwd)) { ++ strcmp(needle->passwd, check->passwd) || ++ !Curl_safecmp(needle->sasl_authzid, check->sasl_authzid) || ++ !Curl_safecmp(needle->oauth_bearer, check->oauth_bearer)) { + /* one of them was different */ + continue; + } +@@ -3392,6 +3395,14 @@ + result = CURLE_OUT_OF_MEMORY; + goto out; + } ++ } ++ ++ if(data->set.str[STRING_BEARER]) { ++ conn->oauth_bearer = strdup(data->set.str[STRING_BEARER]); ++ if(!conn->oauth_bearer) { ++ result = CURLE_OUT_OF_MEMORY; ++ goto out; ++ } + } + + #ifdef USE_UNIX_SOCKETS +diff --git a/lib/urldata.h b/lib/urldata.h +index 07eb19b87034..1d89b8d7fa68 100644 +--- a/lib/urldata.h ++++ b/lib/urldata.h +@@ -949,6 +949,8 @@ + + char *sasl_authzid; /* authorisation identity string, allocated */ + ++ char *oauth_bearer; /* OAUTH2 bearer, allocated */ ++ + int httpversion; /* the HTTP version*10 reported by the server */ + int rtspversion; /* the RTSP version*10 reported by the server */ + +diff --git a/lib/vtls/vtls.c b/lib/vtls/vtls.c +index 03b85ba065e5..a40ac06f684f 100644 +--- a/lib/vtls/vtls.c ++++ b/lib/vtls/vtls.c +@@ -82,15 +82,6 @@ + else \ + dest->var = NULL; + +-static bool safecmp(char *a, char *b) +-{ +- if(a && b) +- return !strcmp(a, b); +- else if(!a && !b) +- return TRUE; /* match */ +- return FALSE; /* no match */ +-} +- + + bool + Curl_ssl_config_matches(struct ssl_primary_config* data, +@@ -101,12 +101,12 @@ + (data->verifypeer == needle->verifypeer) && + (data->verifyhost == needle->verifyhost) && + (data->verifystatus == needle->verifystatus) && +- safecmp(data->CApath, needle->CApath) && +- safecmp(data->CAfile, needle->CAfile) && +- safecmp(data->issuercert, needle->issuercert) && +- safecmp(data->clientcert, needle->clientcert) && +- safecmp(data->random_file, needle->random_file) && +- safecmp(data->egdsocket, needle->egdsocket) && ++ Curl_safecmp(data->CApath, needle->CApath) && ++ Curl_safecmp(data->CAfile, needle->CAfile) && ++ Curl_safecmp(data->issuercert, needle->issuercert) && ++ Curl_safecmp(data->clientcert, needle->clientcert) && ++ Curl_safecmp(data->random_file, needle->random_file) && ++ Curl_safecmp(data->egdsocket, needle->egdsocket) && + Curl_safe_strcasecompare(data->cipher_list, needle->cipher_list) && + Curl_safe_strcasecompare(data->cipher_list13, needle->cipher_list13) && + Curl_safe_strcasecompare(data->pinned_key, needle->pinned_key)) |