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Debian Security Advisory DSA 4195-1 (wget - security update)
Information
Severity
Severity
Family
Family
CVSSv2 Base
CVSSv2 Base
CVSSv2 Vector
CVSSv2 Vector
Solution Type
Solution Type
Created
Created
Modified
Modified
Summary
Harry Sintonen discovered that wget, a network utility to retrieve files from the web, does not properly handle '\r\n' from continuation lines while parsing the Set-Cookie HTTP header. A malicious web server could use this flaw to inject arbitrary cookies to the cookie jar file, adding new or replacing existing cookie values.
Affected Software
Affected Software
wget on Debian Linux
Detection Method
Detection Method
This check tests the installed software version using the apt package manager.
Solution
Solution
For the oldstable distribution (jessie), this problem has been fixed in version 1.16-1+deb8u5. For the stable distribution (stretch), this problem has been fixed in version 1.18-5+deb9u2. We recommend that you upgrade your wget packages. For the detailed security status of wget please refer to its security tracker page linked in the references.