CVE-2021-3781
Publication date 8 September 2021
Last updated 24 July 2024
Ubuntu priority
A trivial sandbox (enabled with the `-dSAFER` option) escape flaw was found in the ghostscript interpreter by injecting a specially crafted pipe command. This flaw allows a specially crafted document to execute arbitrary commands on the system in the context of the ghostscript interpreter. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| ghostscript | 22.04 LTS jammy |
Fixed 9.54.0~dfsg1-0ubuntu2
|
| 20.04 LTS focal |
Fixed 9.50~dfsg-5ubuntu4.3
|
|
| 18.04 LTS bionic |
Not affected
|
|
| 16.04 LTS xenial |
Not affected
|
|
| 14.04 LTS trusty | Not in release |
Notes
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score |
9.9 · Critical
|
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | Low |
| User interaction | None |
| Scope | Changed |
| Confidentiality | High |
| Integrity impact | High |
| Availability impact | High |
| Vector | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H |
References
Related Ubuntu Security Notices (USN)
- USN-5075-1
- Ghostscript vulnerability
- 10 September 2021