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Category:   Application (Generic)  >   curl Vendors:   curl.haxx.se
(Ubuntu Issues Fix) cURL URL Globbing Flaw Lets Local Users View Portions of System Memory on the Target System
SecurityTracker Alert ID:  1039647
SecurityTracker URL:  http://securitytracker.com/id/1039647
CVE Reference:   CVE-2017-1000101   (Links to External Site)
Date:  Oct 24 2017
Impact:   Disclosure of system information
Fix Available:  Yes  Vendor Confirmed:  Yes  
Version(s): 7.34.0 - 7.54.1
Description:   A vulnerability was reported in cURL. A local user can obtain potentially sensitive information from system memory.

A local user can supply a URL containing specially crafted numerical range characters to trigger a heap read error and obtain potentially sensitive information from system memory on the target system.

A demonstration exploit URL is provided:

http://ur%20[0-60000000000000000000

The command line tool is affected.

The libcurl library is not affected.

Brian Carpenter and Yongji Ouyang independently reported this vulnerability.

Impact:   A local user can obtain potentially sensitive information from system memory on the target system.
Solution:   Ubuntu has issued a fix.

The Ubuntu advisory is available at:

https://www.ubuntu.com/usn/usn-3441-1

Vendor URL:  www.ubuntu.com/usn/usn-3441-2 (Links to External Site)
Cause:   Boundary error
Underlying OS:  Linux (Ubuntu)
Underlying OS Comments:  12.04 ESM

Message History:   This archive entry is a follow-up to the message listed below.
Aug 10 2017 cURL URL Globbing Flaw Lets Local Users View Portions of System Memory on the Target System



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