[USN-3555-2] w3m vulnerabilities

Leonidas S. Barbosa leo.barbosa at canonical.com
Thu Feb 1 16:49:41 UTC 2018

Ubuntu Security Notice USN-3555-2
February 01, 2018

w3m vulnerabilities

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 12.04 ESM


Several security issues were fixed in w3m.

Software Description:
- w3m: WWW browsable pager with excellent tables/frames support


USN-3555-2 fixed vulnerabilities in w3m. This update
provides the corresponding update for Ubuntu 12.04 ESM.
Original advisory details:

 It was discovered that w3m incorrectly handled certain inputs.
 An attacker could possibly use this to cause a denial of service.
 (CVE-2018-6196, CVE-2018-6197)

 It was discovered that w3m incorrectly handled temporary files.
 An attacker could possibly use this to overwrite arbitrary files.

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 12.04 ESM:
  w3m                             0.5.3-5ubuntu1.3

In general, a standard system update will make all the necessary

  CVE-2018-6196, CVE-2018-6197, CVE-2018-6198
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