Vulnerability Details : CVE-2018-6196
Potential exploit
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.
Products affected by CVE-2018-6196
- cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
- cpe:2.3:o:canonical:ubuntu_linux:17.10:*:*:*:*:*:*:*
- cpe:2.3:a:tats:w3m:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2018-6196
1.05%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 84 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2018-6196
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:N/I:N/A:P |
10.0
|
2.9
|
NIST | |
7.5
|
HIGH | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
3.9
|
3.6
|
NIST |
CWE ids for CVE-2018-6196
-
The product contains an iteration or loop with an exit condition that cannot be reached, i.e., an infinite loop.Assigned by: nvd@nist.gov (Primary)
References for CVE-2018-6196
-
https://github.com/tats/w3m/issues/88
infinite recursion in HTMLlineproc0 · Issue #88 · tats/w3m · GitHubExploit;Patch;Third Party Advisory
-
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00028.html
[security-announce] openSUSE-SU-2019:1142-1: moderate: Security update f
-
https://usn.ubuntu.com/3555-1/
USN-3555-1: w3m vulnerabilities | Ubuntu security noticesThird Party Advisory
-
https://usn.ubuntu.com/3555-2/
USN-3555-2: w3m vulnerabilities | Ubuntu security noticesThird Party Advisory
-
https://lists.debian.org/debian-lts-announce/2020/04/msg00025.html
[SECURITY] [DLA 2195-1] w3m security update
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https://github.com/tats/w3m/commit/8354763b90490d4105695df52674d0fcef823e92
Prevent negative indent value in feed_table_block_tag() · tats/w3m@8354763 · GitHubPatch;Third Party Advisory
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