CVE-2019-14869

Publication date 14 November 2019

Last updated 24 July 2024

Ubuntu priority

High

Why this priority?

Cvss 3 Severity Score

8.8 · High

Score breakdown

A flaw was found in all versions of ghostscript 9.x before 9.50, where the `.charkeys` procedure, where it did not properly secure its privileged calls, enabling scripts to bypass `-dSAFER` restrictions. An attacker could abuse this flaw by creating a specially crafted PostScript file that could escalate privileges within the Ghostscript and access files outside of restricted areas or execute commands.

Status

Package Ubuntu Release Status
ghostscript 19.10 eoan
Fixed 9.27~dfsg+0-0ubuntu3.1
19.04 disco
Fixed 9.26~dfsg+0-0ubuntu7.4
18.04 LTS bionic
Fixed 9.26~dfsg+0-0ubuntu0.18.04.12
16.04 LTS xenial
Fixed 9.26~dfsg+0-0ubuntu0.16.04.12
14.04 LTS trusty Not in release

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
ghostscript

Severity score breakdown

Parameter Value
Base score 8.8 · High
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References

Related Ubuntu Security Notices (USN)

    • USN-4193-1
    • Ghostscript vulnerability
    • 14 November 2019

Other references