CVE-2018-6198

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.

CVSS v3.0 4.7 MEDIUM
CVSS v2.0 3.3 LOW

4.7^/10

CVSS v3.0 : MEDIUM

Vector : AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N

Exploitability : 1.0 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity HIGH

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

3.3^/10

CVSS v2.0 : LOW

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

Exploitability : 3.4 / Impact : 4.9

Access Vector LOCAL

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://salsa.debian.org/debian/w3m/commit/18dcbadf2771cdb0c18509b14e4e73505b242753	Third Party Advisory Patch
https://github.com/tats/w3m/commit/18dcbadf2771cdb0c18509b14e4e73505b242753	Patch Third Party Advisory
https://bugs.debian.org/888097	Issue Tracking Patch Third Party Advisory
http://www.securityfocus.com/bid/102855	Third Party Advisory VDB Entry
https://usn.ubuntu.com/3555-2/	Third Party Advisory
https://usn.ubuntu.com/3555-1/	Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00028.html

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Configurations

Configuration 1 (hide)

cpe:2.3:a:w3m_project:w3m:*:*:*:*:*:*:*:*

Configuration 2 (hide)

OR	cpe:2.3:o:canonical:ubuntu_linux:17.10:::::::*
	cpe:2.3:o:canonical:ubuntu_linux:14.04::::lts:::
	cpe:2.3:o:canonical:ubuntu_linux:16.04::::lts:::
	cpe:2.3:o:canonical:ubuntu_linux:12.04::::esm:::

Information

Published : 2018-01-24 19:29

Updated : 2019-10-02 17:03

NVD link : CVE-2018-6198

Mitre link : CVE-2018-6198

JSON object : View

CWE

CWE-59

Improper Link Resolution Before File Access ('Link Following')

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Products Affected

canonical

ubuntu_linux

w3m_project

w3m

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