diff options
Diffstat (limited to 'package/libcurl/libcurl-01-CVE-2013-0249.patch')
| -rw-r--r-- | package/libcurl/libcurl-01-CVE-2013-0249.patch | 65 |
1 files changed, 0 insertions, 65 deletions
diff --git a/package/libcurl/libcurl-01-CVE-2013-0249.patch b/package/libcurl/libcurl-01-CVE-2013-0249.patch deleted file mode 100644 index 7d2af2ac82..0000000000 --- a/package/libcurl/libcurl-01-CVE-2013-0249.patch +++ /dev/null @@ -1,65 +0,0 @@ -From ee45a34907ffeb5fd95b0513040d8491d565b663 Mon Sep 17 00:00:00 2001 -From: Eldar Zaitov <kyprizel@volema.com> -Date: Wed, 30 Jan 2013 23:22:27 +0100 -Subject: [PATCH] Curl_sasl_create_digest_md5_message: fix buffer overflow - -When negotiating SASL DIGEST-MD5 authentication, the function -Curl_sasl_create_digest_md5_message() uses the data provided from the -server without doing the proper length checks and that data is then -appended to a local fixed-size buffer on the stack. - -This vulnerability can be exploited by someone who is in control of a -server that a libcurl based program is accessing with POP3, SMTP or -IMAP. For applications that accept user provided URLs, it is also -thinkable that a malicious user would feed an application with a URL to -a server hosting code targetting this flaw. - -Bug: http://curl.haxx.se/docs/adv_20130206.html ---- - lib/curl_sasl.c | 23 ++++++----------------- - 1 file changed, 6 insertions(+), 17 deletions(-) - -diff --git a/lib/curl_sasl.c b/lib/curl_sasl.c -index 57116b6..d07387d 100644 ---- a/lib/curl_sasl.c -+++ b/lib/curl_sasl.c -@@ -346,9 +346,7 @@ CURLcode Curl_sasl_create_digest_md5_message(struct SessionHandle *data, - snprintf(&HA1_hex[2 * i], 3, "%02x", digest[i]); - - /* Prepare the URL string */ -- strcpy(uri, service); -- strcat(uri, "/"); -- strcat(uri, realm); -+ snprintf(uri, sizeof(uri), "%s/%s", service, realm); - - /* Calculate H(A2) */ - ctxt = Curl_MD5_init(Curl_DIGEST_MD5); -@@ -392,20 +390,11 @@ CURLcode Curl_sasl_create_digest_md5_message(struct SessionHandle *data, - for(i = 0; i < MD5_DIGEST_LEN; i++) - snprintf(&resp_hash_hex[2 * i], 3, "%02x", digest[i]); - -- strcpy(response, "username=\""); -- strcat(response, userp); -- strcat(response, "\",realm=\""); -- strcat(response, realm); -- strcat(response, "\",nonce=\""); -- strcat(response, nonce); -- strcat(response, "\",cnonce=\""); -- strcat(response, cnonce); -- strcat(response, "\",nc="); -- strcat(response, nonceCount); -- strcat(response, ",digest-uri=\""); -- strcat(response, uri); -- strcat(response, "\",response="); -- strcat(response, resp_hash_hex); -+ snprintf(response, sizeof(response), -+ "username=\"%s\",realm=\"%s\",nonce=\"%s\"," -+ "cnonce=\"%s\",nc=\"%s\",digest-uri=\"%s\",response=%s", -+ userp, realm, nonce, -+ cnonce, nonceCount, uri, resp_hash_hex); - - /* Base64 encode the reply */ - return Curl_base64_encode(data, response, 0, outptr, outlen); --- -1.7.10.4 - |
