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Debian Security Advisory DSA 4195-1 (wget - security update)

Information

Severity

Severity

Medium

Family

Family

Debian Local Security Checks

CVSSv2 Base

CVSSv2 Base

4.3

CVSSv2 Vector

CVSSv2 Vector

AV:N/AC:M/Au:N/C:N/I:P/A:N

Solution Type

Solution Type

Vendor Patch

Created

Created

5 years ago

Modified

Modified

5 years ago

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.

Common Vulnerabilities and Exposures (CVE)