CVE-2019-18849
Severity Score
5.5
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
1
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
In tnef before 1.4.18, an attacker may be able to write to the victim's .ssh/authorized_keys file via an e-mail message with a crafted winmail.dat application/ms-tnef attachment, because of a heap-based buffer over-read involving strdup.
En tnef versiones anteriores a 1.4.18, un atacante puede escribir en el archivo .ssh/Authorizedkeys de la víctima por medio de un mensaje de correo electrónico con un archivo adjunto application/ms-tnef de winmail.dat, debido a una lectura excesiva del búfer en la región heap de la memoria que involucra a strdup.
*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
- 2019-11-11 CVE Reserved
- 2019-11-11 CVE Published
- 2024-08-05 CVE Updated
- 2024-08-05 First Exploit
- 2024-11-04 EPSS Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
CWE
- CWE-125: Out-of-bounds Read
CAPEC
References (7)
| URL | Tag | Source |
|---|---|---|
| https://lists.debian.org/debian-lts-announce/2019/11/msg00035.html | Mailing List |
|
| https://lists.debian.org/debian-lts-announce/2021/08/msg00025.html | Mailing List |
|
| URL | Date | SRC |
|---|---|---|
| https://github.com/verdammelt/tnef/pull/40 | 2024-08-05 |
| URL | Date | SRC |
|---|---|---|
| https://github.com/verdammelt/tnef/compare/1.4.17...1.4.18 | 2023-11-07 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Tnef Project Search vendor "Tnef Project" | Tnef Search vendor "Tnef Project" for product "Tnef" | < 1.4.18 Search vendor "Tnef Project" for product "Tnef" and version " < 1.4.18" | - |
Affected
| ||||||
| Fedoraproject Search vendor "Fedoraproject" | Fedora Search vendor "Fedoraproject" for product "Fedora" | 30 Search vendor "Fedoraproject" for product "Fedora" and version "30" | - |
Affected
| ||||||
| Fedoraproject Search vendor "Fedoraproject" | Fedora Search vendor "Fedoraproject" for product "Fedora" | 31 Search vendor "Fedoraproject" for product "Fedora" and version "31" | - |
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" | esm |
Affected
| ||||||
| Debian Search vendor "Debian" | Debian Linux Search vendor "Debian" for product "Debian Linux" | 8.0 Search vendor "Debian" for product "Debian Linux" and version "8.0" | - |
Affected
| ||||||