moparisthebest/curl
1
0
Fork 0
mirror of https://github.com/moparisthebest/curl synced 2024-12-23 08:38:49 -05:00
Code Issues Releases Wiki Activity

ftp: avoid risk of reading uninitialized integers

Browse Source 
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
This commit is contained in:
Daniel Stenberg 2020-09-17 16:16:38 +02:00
parent 7921b41ce1
commit 3d8731c8f5
No known key found for this signature in database
GPG Key ID: 5CC908FDB71E12C2
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
lib/ftp.c
View File

@ -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