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CVE-2018-6198

Date: January 24, 2018

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.

Language: C

Severity Score

4.7

Related Resources (12)

Url: https://usn.ubuntu.com/3555-2/

Url: http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00028.html

Url: https://usn.ubuntu.com/3555-1/

Url: https://salsa.debian.org/debian/w3m/commit/18dcbadf2771cdb0c18509b14e4e73505b242753

Url: https://github.com/tats/w3m/commit/18dcbadf2771cdb0c18509b14e4e73505b242753

Url: https://access.redhat.com/security/cve/CVE-2018-6198

Url: https://bugs.debian.org/888097

Url: http://www.securityfocus.com/bid/102855

Url: https://nvd.nist.gov/vuln/detail/CVE-2018-6198

Url: https://security-tracker.debian.org/tracker/CVE-2018-6198

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2018-6198

Url: https://www.mend.io/vulnerability-database/CVE-2018-6198

Severity Score

4.7

Weakness Type (CWE)

Data Handling

CWE-19

Link Following

CWE-59

CVSS v3.1

Base Score:	4.7
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 v2

Base Score:	3.3
Access Vector (AV):	LOCAL
Access Complexity (AC):	MEDIUM
Authentication (AU):	NONE
Confidentiality (C):	NONE
Integrity (I):	PARTIAL
Availability (A):	PARTIAL
Additional information:

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