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Category:   Application (Generic)  >   wget Vendors:   GNU [multiple authors]
wget Input Validation Flaw in SetCookie Processing Lets Remote Users Inject Arbitrary Cookies on the Target System
SecurityTracker Alert ID:  1040838
SecurityTracker URL:  http://securitytracker.com/id/1040838
CVE Reference:   CVE-2018-0494   (Links to External Site)
Date:  May 7 2018
Impact:   Modification of user information

Version(s): 1.7 - 1.19.4
Description:   A vulnerability was reported in wget. A remote user can set and modify cookies on the target system.

The software does not properly process Set-Cookie responses. A remote server can return specially crafted data to inject arbitrary cookies into the cookie jar file on the target system.

The vendor was notified on April 26, 2018.

The original advisory including demonstration exploit steps is available at:

https://sintonen.fi/advisories/gnu-wget-cookie-injection.txt

Harry Sintonen of F-Secure Corporation reported this vulnerability.

Impact:   A remote user can set and modify cookies on the target system.
Solution:   The vendor has issued a fix (1.19.5).
Vendor URL:  www.gnu.org/software/wget/ (Links to External Site)
Cause:   Access control error, Input validation error
Underlying OS:  Linux (Any), UNIX (Any)

Message History:   This archive entry has one or more follow-up message(s) listed below.
May 9 2018 (Ubuntu Issues Fix) wget Input Validation Flaw in SetCookie Processing Lets Remote Users Inject Arbitrary Cookies on the Target System
Ubuntu has issued a fix for Ubuntu Linux 14.04 LTS, 16.04 LTS, 17.10, and 18.04 LTS.
May 9 2018 (Ubuntu Issues Fix) wget Input Validation Flaw in SetCookie Processing Lets Remote Users Inject Arbitrary Cookies on the Target System
Ubuntu has issued a fix for Ubuntu Linux 12.04 ESM.
Oct 30 2018 (Red Hat Issues Fix) wget Input Validation Flaw in SetCookie Processing Lets Remote Users Inject Arbitrary Cookies on the Target System
Red Hat has issued a fix for Red Hat Enterprise Linux 7.
Nov 12 2018 (Oracle Issues Fix for Oracle Linux) wget Input Validation Flaw in SetCookie Processing Lets Remote Users Inject Arbitrary Cookies on the Target System
Oracle has issued a fix for Oracle Linux 7.



 Source Message Contents



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