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.
CVSS Details
- CVSS 3.1 Base Score: 8.8
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H)
- CVSS 3.0 Base Score: 7.3
- CVSS 3.0 Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade ghostscript | Jan 5, 2021 | Nov 15, 2019 |
| Amazon Linux Ami 2 | — | Upgrade ghostscript-debuginfoUpgrade libgsUpgrade ghostscript-cupsUpgrade ghostscript-docUpgrade libgs-develUpgrade ghostscriptUpgrade ghostscript-gtk | Feb 22, 2021 | Nov 15, 2019 |
| Centos_linux | — | Upgrade ghostscript-gtkUpgrade libgs-debuginfoUpgrade ghostscript-x11-debuginfoUpgrade ghostscript-cupsUpgrade ghostscript-debugsourceUpgrade ghostscript-debuginfoUpgrade ghostscriptUpgrade ghostscript-gtk-debuginfoUpgrade ghostscript-docUpgrade libgsUpgrade libgs-devel | Nov 15, 2019 | Nov 14, 2019 |
| Debian | — | Upgrade ghostscript | Nov 18, 2019 | Nov 15, 2019 |
| Ghostscript | — | Upgrade to Ghostscript version 9.50 | Dec 6, 2019 | Nov 15, 2019 |
| Huawei Euleros 2_0_sp8 | — | Upgrade ghostscriptUpgrade libgs | Jan 3, 2020 | Nov 15, 2019 |
| Oracle Solaris | — | Upgrade desktop/pdf-viewer/gsx to version 9.52-11.4.27.0.1.82.0 on Solaris 11.4Upgrade image/ghostscript to version 9.52-11.4.27.0.1.82.0 on Solaris 11.4 | Jan 19, 2021 | Nov 15, 2019 |
| Oracle_linux | — | Upgrade ghostscriptUpgrade ghostscript-tools-dvipdfUpgrade libgs-develUpgrade ghostscript-tools-fontsUpgrade ghostscript-cupsUpgrade libgsUpgrade ghostscript-x11 | Oct 5, 2022 | Nov 14, 2019 |
| Redhat_linux | — | Upgrade ghostscript-x11-debuginfoUpgrade ghostscript-tools-fontsUpgrade ghostscript-docUpgrade ghostscript-cupsUpgrade ghostscript-tools-printingUpgrade ghostscript-debugsourceUpgrade ghostscript-gtk-debuginfoUpgrade ghostscript-gtkUpgrade libgs-develUpgrade ghostscript-tools-dvipdfUpgrade libgsUpgrade ghostscript-debuginfoUpgrade ghostscriptUpgrade libgs-debuginfoUpgrade ghostscript-x11 | Nov 15, 2019 | Nov 14, 2019 |
| Suse | — | Upgrade ghostscript-miniUpgrade ghostscript-develUpgrade ghostscript-mini-develUpgrade ghostscriptUpgrade ghostscript-x11 | Nov 16, 2019 | Nov 14, 2019 |
| Ubuntu | — | Upgrade libgs9Upgrade ghostscript | Nov 15, 2019 | Nov 14, 2019 |
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