UBUNTU-CVE-2018-6198

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Source
https://ubuntu.com/security/CVE-2018-6198
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-6198.json
JSON Data
https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2018-6198
Upstream
Downstream
Related
Published
2018-01-24T00:00:00Z
Modified
2025-09-08T16:44:46Z
Severity
  • 4.7 (Medium) CVSS_V3 - CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N CVSS Calculator
  • Ubuntu - low
Summary
[none]
Details

w3m through 0.5.3 does not properly handle temporary files when the ~/.w3m directory is unwritable, which allows a local attacker to craft a symlink attack to overwrite arbitrary files.

References

Affected packages

Ubuntu:14.04:LTS / w3m

Package

Name
w3m
Purl
pkg:deb/ubuntu/w3m@0.5.3-15ubuntu0.2?arch=source&distro=trusty

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0.5.3-15ubuntu0.2

Affected versions

0.*

0.5.3-11
0.5.3-12
0.5.3-13
0.5.3-15
0.5.3-15ubuntu0.1

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "0.5.3-15ubuntu0.2",
            "binary_name": "w3m"
        },
        {
            "binary_version": "0.5.3-15ubuntu0.2",
            "binary_name": "w3m-img"
        }
    ]
}

Ubuntu:16.04:LTS / w3m

Package

Name
w3m
Purl
pkg:deb/ubuntu/w3m@0.5.3-26ubuntu0.2?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
0.5.3-26ubuntu0.2

Affected versions

0.*

0.5.3-24
0.5.3-25
0.5.3-26
0.5.3-26build1
0.5.3-26ubuntu0.1

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "0.5.3-26ubuntu0.2",
            "binary_name": "w3m"
        },
        {
            "binary_version": "0.5.3-26ubuntu0.2",
            "binary_name": "w3m-img"
        }
    ]
}