Vulnerability CVE-2018-6196
Published: 2018-01-24   Modified: 2018-01-25

Description:
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.

Type:

CWE-835

 (Loop with Unreachable Exit Condition ('Infinite Loop'))

CVSS2 => (AV:N/AC:L/Au:N/C:N/I:N/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
None
None
Partial
Affected software
W3m project -> W3M 
Canonical -> Ubuntu linux 

 References:
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00028.html
https://github.com/tats/w3m/commit/8354763b90490d4105695df52674d0fcef823e92
https://github.com/tats/w3m/issues/88
https://usn.ubuntu.com/3555-1/
https://usn.ubuntu.com/3555-2/
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