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authorDaniel Stenberg <daniel@haxx.se>2020-09-17 16:16:38 +0200
committerDaniel Stenberg <daniel@haxx.se>2020-09-18 08:26:49 +0200
commit3d8731c8f52cf1ed40bbabd319a3b732cdbcd3d2 (patch)
treeac283c439fe84291a4a4f477b2ed25782de0cb77 /lib/ftp.c
parent7921b41ce1b0d8bf8ebe42456116c6b2fece485d (diff)
downloadcurl-3d8731c8f52cf1ed40bbabd319a3b732cdbcd3d2.tar.gz
ftp: avoid risk of reading uninitialized integers
If the received PASV response doesn't match the expected pattern, we could end up reading uninitialized integers for IP address and port number. Issue pointed out by muse.dev Closes #5972
Diffstat (limited to 'lib/ftp.c')
-rw-r--r--lib/ftp.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/ftp.c b/lib/ftp.c
index 868a97a53..434401390 100644
--- a/lib/ftp.c
+++ b/lib/ftp.c
@@ -1860,8 +1860,8 @@ static CURLcode ftp_state_pasv_resp(struct connectdata *conn,
else if((ftpc->count1 == 1) &&
(ftpcode == 227)) {
/* positive PASV response */
- unsigned int ip[4];
- unsigned int port[2];
+ unsigned int ip[4] = {0, 0, 0, 0};
+ unsigned int port[2] = {0, 0};
/*
* Scan for a sequence of six comma-separated numbers and use them as