gnome-exe-thumbnailer before 0.9.5 is prone to a VBScript Injection when generating thumbnails for MSI files, aka the "Bad Taste" issue. There is a local attack if the victim uses the GNOME Files file manager, and navigates to a directory containing a .msi file with VBScript code in its filename.
The MITRE CVE dictionary describes this issue as:
Find out more about CVE-2017-11421 from the MITRE CVE dictionary dictionary and NIST NVD.
This issue did not affect any of the Red Hat products as they did not include the gnome-exe-thumbnailer package.
NOTE: The following CVSS v3 metrics and score provided are preliminary and subject to review.
| CVSS3 Base Score | 7.8 |
|---|---|
| CVSS3 Base Metrics | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| Attack Vector | Local |
| Attack Complexity | Low |
| Privileges Required | Low |
| User Interaction | None |
| Scope | Unchanged |
| Confidentiality | High |
| Integrity Impact | High |
| Availability Impact | High |
| Platform | Package | State |
|---|---|---|
| Red Hat Enterprise Linux 7 | libgnome | Not affected |
| Red Hat Enterprise Linux 6 | libgnome | Not affected |
| Red Hat Enterprise Linux 5 | libgnome | Not affected |
Vulmon