CVE-2018-6196

w3m through 0.5.3 is prone to an infinite recursion flaw in HTMLlineproc0 because the feed_table_block_tag function in table.c does not prevent a negative indent value.

CVSS v3.0 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3.0 : HIGH

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

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://github.com/tats/w3m/issues/88	Exploit Patch Third Party Advisory
https://github.com/tats/w3m/commit/8354763b90490d4105695df52674d0fcef823e92	Patch Third Party Advisory
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
https://lists.debian.org/debian-lts-announce/2020/04/msg00025.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:12.04::::esm:::
	cpe:2.3:o:canonical:ubuntu_linux:14.04::::lts:::
	cpe:2.3:o:canonical:ubuntu_linux:16.04::::lts:::

Information

Published : 2018-01-24 19:29

Updated : 2019-10-02 17:03

NVD link : CVE-2018-6196

Mitre link : CVE-2018-6196

JSON object : View

CWE

CWE-835

Loop with Unreachable Exit Condition ('Infinite Loop')

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Products Affected

canonical

ubuntu_linux

w3m_project

w3m

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