CVE-2018-6197
Ubuntu Security Notice USN-3555-2
Severity Score
7.5
*CVSS v3
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
1
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
w3m through 0.5.3 is prone to a NULL pointer dereference flaw in formUpdateBuffer in form.c.
w3m hasta la versión 0.5.3 es propenso a un error de desreferencia de puntero NULL en formUpdateBuffer en form.c.
USN-3555-2 fixed vulnerabilities in w3m. This update provides the corresponding update for Ubuntu 12.04 ESM. It was discovered that w3m incorrectly handled certain inputs. An attacker could possibly use this to cause a denial of service. It was discovered that w3m incorrectly handled temporary files. An attacker could possibly use this to overwrite arbitrary files. Various other issues were also addressed.
*Credits:
N/A
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2018-01-24 CVE Reserved
- 2018-01-25 CVE Published
- 2024-08-05 CVE Updated
- 2024-08-05 First Exploit
- 2025-03-30 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
CWE
- CWE-476: NULL Pointer Dereference
CAPEC
References (7)
| URL | Tag | Source |
|---|---|---|
| http://www.securityfocus.com/bid/102846 | Third Party Advisory | |
| https://lists.debian.org/debian-lts-announce/2020/04/msg00025.html | Mailing List |
|
| URL | Date | SRC |
|---|---|---|
| https://github.com/tats/w3m/issues/89 | 2024-08-05 |
| URL | Date | SRC |
|---|---|---|
| https://github.com/tats/w3m/commit/7fdc83b0364005a0b5ed869230dd81752ba022e8 | 2023-12-29 |
| URL | Date | SRC |
|---|---|---|
| http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00028.html | 2023-12-29 | |
| https://usn.ubuntu.com/3555-1 | 2023-12-29 | |
| https://usn.ubuntu.com/3555-2 | 2023-12-29 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Tats Search vendor "Tats" | W3m Search vendor "Tats" for product "W3m" | <= 0.5.3 Search vendor "Tats" for product "W3m" and version " <= 0.5.3" | - |
Affected
| ||||||
| Canonical Search vendor "Canonical" | Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux" | 12.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "12.04" | esm |
Affected
| ||||||
| Canonical Search vendor "Canonical" | Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux" | 14.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "14.04" | lts |
Affected
| ||||||
| Canonical Search vendor "Canonical" | Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux" | 16.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "16.04" | lts |
Affected
| ||||||
| Canonical Search vendor "Canonical" | Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux" | 17.10 Search vendor "Canonical" for product "Ubuntu Linux" and version "17.10" | - |
Affected
| ||||||