From 4e2b52b5f7a3bf50a0f1494155717b02cc1df6d6 Mon Sep 17 00:00:00 2001 From: Daniel Stenberg Date: Thu, 9 Mar 2023 16:22:11 +0100 Subject: [PATCH] curl_path: create the new path with dynbuf Closes #10729 CVE: CVE-2023-27534 Note: This patch is needed to backport CVE-2023-27534 Upstream-Status: Backport from [https://github.com/curl/curl/commit/4e2b52b5f7a3bf50a0f1494155717b02cc1df6d6] Signed-off-by: Hitendra Prajapati Signed-off-by: Siddharth Doshi --- lib/curl_path.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/lib/curl_path.c b/lib/curl_path.c index 40b92ee..598c5dd 100644 --- a/lib/curl_path.c +++ b/lib/curl_path.c @@ -60,7 +60,7 @@ CURLcode Curl_getworkingpath(struct connectdata *conn, memcpy(real_path, working_path, 1 + working_path_len); } else if(conn->handler->protocol & CURLPROTO_SFTP) { - if((working_path_len > 1) && (working_path[1] == '~')) { + if((working_path_len > 2) && !memcmp(working_path, "/~/", 3)) { size_t homelen = strlen(homedir); real_path = malloc(homelen + working_path_len + 1); if(real_path == NULL) { -- 2.24.4