CVE-2020-27792
Published: 19 August 2022
A heap-based buffer over write vulnerability was found in GhostScript's lp8000_print_page() function in gdevlp8k.c file. An attacker could trick a user to open a crafted PDF file, triggering the heap buffer overflow that could lead to memory corruption or a denial of service.
Priority
Status
| Package | Release | Status |
|---|---|---|
|
ghostscript Launchpad, Ubuntu, Debian |
bionic |
Released
(9.26~dfsg+0-0ubuntu0.18.04.17)
|
| focal |
Released
(9.50~dfsg-5ubuntu4.6)
|
|
| jammy |
Not vulnerable
(9.55.0~dfsg1-0ubuntu5)
|
|
| kinetic |
Not vulnerable
|
|
| trusty |
Ignored
(out of standard support)
|
|
| upstream |
Released
(9.51~dfsg-1)
|
|
| xenial |
Released
(9.26~dfsg+0-0ubuntu0.16.04.14+esm4)
|
|
|
Patches: upstream: https://git.ghostscript.com/?p=ghostpdl.git;a=commit;h=4f6bc662909ab79e8fbe9822afb36e8a0eafc2b7 |
||
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 7.1 |
| Attack vector | Local |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | Required |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity impact | High |
| Availability impact | High |
| Vector | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H |