(Ubuntu Issues Fix) cURL URL Globbing Flaw Lets Local Users View Portions of System Memory on the Target System
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SecurityTracker Alert ID: 1039546 |
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SecurityTracker URL: http://securitytracker.com/id/1039546
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CVE Reference:
CVE-2017-1000101
(Links to External Site)
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Date: Oct 11 2017
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Impact:
Disclosure of system information
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Fix Available: Yes Vendor Confirmed: Yes
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Version(s): 7.34.0 - 7.54.1
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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.
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Impact:
A local user can obtain potentially sensitive information from system memory on the target system.
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Solution:
Ubuntu has issued a fix.
The Ubuntu advisory is available at:
https://www.ubuntu.com/usn/usn-3441-1
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Vendor URL: www.ubuntu.com/usn/usn-3441-1 (Links to External Site)
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Cause:
Boundary error
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Underlying OS: Linux (Ubuntu)
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Underlying OS Comments: 14.04 LTS, 16.04 LTS, 17.04
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Message History:
This archive entry is a follow-up to the message listed below.
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Source Message Contents
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[Original Message Not Available for Viewing]
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