National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2018-6198 Detail

Current Description

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.

Source:  MITRE      Last Modified:  01/24/2018      View Analysis Description

Quick Info

CVE Dictionary Entry:
CVE-2018-6198
Original release date:
01/24/2018
Last revised:
02/08/2018
Source:
US-CERT/NIST

Impact

CVSS Severity (version 3.0):
CVSS v3 Base Score:
4.7 Medium
Vector:
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:H/A:N (legend)
Impact Score:
3.6
Exploitability Score:
1.0
CVSS Version 3 Metrics:
Attack Vector (AV):
Local
Attack Complexity (AC):
High
Privileges Required (PR):
Low
User Interaction (UI):
None
Scope (S):
Unchanged
Confidentiality (C):
None
Integrity (I):
High
Availability (A):
None
CVSS Severity (version 2.0):
CVSS v2 Base Score:
3.3 LOW
Vector:
(AV:L/AC:M/Au:N/C:N/I:P/A:P) (legend)
Impact Subscore:
4.9
Exploitability Subscore:
3.4
CVSS Version 2 Metrics:
Access Vector:
Locally exploitable
Access Complexity:
Medium
Authentication:
Not required to exploit
Impact Type:
Allows unauthorized modification; Allows disruption of service

References to Advisories, Solutions, and Tools

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Hyperlink Resource Type Source Name
http://www.securityfocus.com/bid/102855 Third Party Advisory; VDB Entry External Source BID 102855
https://bugs.debian.org/888097 Patch; Third Party Advisory External Source CONFIRM https://bugs.debian.org/888097
https://github.com/tats/w3m/commit/18dcbadf2771cdb0c18509b14e4e73505b242753 Patch; Third Party Advisory External Source CONFIRM https://github.com/tats/w3m/commit/18dcbadf2771cdb0c18509b14e4e73505b242753
https://salsa.debian.org/debian/w3m/commit/18dcbadf2771cdb0c18509b14e4e73505b242753 Patch; Third Party Advisory External Source CONFIRM https://salsa.debian.org/debian/w3m/commit/18dcbadf2771cdb0c18509b14e4e73505b242753

Technical Details

Vulnerability Type (View All)

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