CVE-2018-19477

Home/CVE/psi/zfjbig2.c in Artifex Ghostscript before 9.26 allows remote attackers to bypass intended access restrictions because

CVE

psi/zfjbig2.c in Artifex Ghostscript before 9.26 allows remote attackers to bypass intended access restrictions because

psi/zfjbig2.c in Artifex Ghostscript before 9.26 allows remote attackers to bypass intended access restrictions because of a JBIG2Decode type confusion.

HIGH · CVSS 7.8 EPSS 0.00823

Act now

Public exploit or PoC is available
CVSS base score ≥ 7.0

Sigma rules0 YARA rules0

⬡

Weakness Classification

CWE-704Incorrect Type Conversion or Cast

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Affected Products & Versions

artifex ghostscript< 9.26
debian linuxall versions
canonical ubuntu linuxall versions
redhat openshift container platformall versions
redhat enterprise linux desktopall versions
redhat enterprise linux serverall versions
redhat enterprise linux server ausall versions
redhat enterprise linux server eusall versions
Show all 10 affected productsredhat enterprise linux server tusall versions
redhat enterprise linux workstationall versions

⚠

Public Exploits & PoCs

pocsemmle.com · semmle-discovers-severe-vulnerability-ghostscript-postscr...semmle.com

▣

Scoring & Timeline

7.8

HIGH · CVSS v3.0 · cve@mitre.org

View on NVD

Attack Vector

Network Adjacent Local Physical

Attack Complexity

Low High

Privileges Required

None Low High

User Interaction

None Required

Scope

Unchanged Changed

Confidentiality

None Low High

Integrity

None Low High

Availability

None Low High

Published to NVD23 Nov 2018 · 05:29 AM

CVSS VectorCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

⚑

Vendor Advisories

suse-csafopenSUSE-SU-2024:10783-1
suse-csafSUSE-SU-2018:4090-2
rhsaRHSA-2019:0229Important
suse-csafSUSE-SU-2018:4087-1
suse-csafSUSE-SU-2018:4090-1
Show all 6 vendor advisoriesusnUSN-3831-1

🔗

References & Sources

Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.

http://git.ghostscript.com/?p=ghostpdl.git

http://www.securityfocus.com/bid/106154Third Party AdvisoryVDB Entry

https://access.redhat.com/errata/RHBA-2019:0327Third Party Advisory

https://bugs.ghostscript.com/show_bug.cgi?id=700168Issue TrackingPatchVendor Advisory

https://lists.debian.org/debian-lts-announce/2018/11/msg00036.htmlMailing ListThird Party Advisory

Show all 9 references

https://usn.ubuntu.com/3831-1/Third Party Advisory

https://www.debian.org/security/2018/dsa-4346Third Party Advisory

https://www.ghostscript.com/doc/9.26/History9.htm#Version9.26Release NotesVendor Advisory

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