Home/CVE/Artifex Ghostscript Type Confusion Vulnerability
CVE

CVE-2017-8291

Artifex Ghostscript Type Confusion Vulnerability

Artifex Ghostscript through 2017-04-26 allows -dSAFER bypass and remote command execution via .rsdparams type confusion with a "/OutputFile (%pipe%" substring in a crafted .eps document that is an input to the gs program, as exploited in the wild in April 2017.

HIGH · CVSS 7.8 ⚠ CISA KEV EPSS 0.92931
Act now
  • Listed on CISA KEV (known exploited in the wild)
  • SSVC exploitation status: active
  • EPSS ≥ 0.50 - high probability of exploitation in the next 30 days
  • EPSS percentile: top 0% of all CVEs by exploitation likelihood
  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules10 YARA rules0
⬢

Required Remediation

Apply updates per vendor instructions.

◆

Threat Actors Linked

1
actorAPT37
⬡

Weakness Classification

CWE-843Access of Resource Using Incompatible Type ('Type Confusion')
CWE-843Access of Resource Using Incompatible Type ('Type Confusion')
▤

Affected Products & Versions

8
artifex ghostscript< 9.21
debian linuxall versions
redhat enterprise linux desktopall versions
redhat enterprise linux eusall versions
redhat enterprise linux serverall versions
redhat enterprise linux server ausall versions
redhat enterprise linux server tusall versions
redhat enterprise linux workstationall versions
⚠

Public Exploits & PoCs

3
localGhostscript 9.21 - Type Confusion Arbitrary Command Execution (Metasploit)verified
pocbugzilla.suse.com · show_bug.cgi?id=1036453bugzilla.suse.com
pocwww.exploit-db.com · 41955www.exploit-db.com
◈

Sigma Hunt Rules

10
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
relatedcriticalAntivirus Password Dumper Detection
relatedcriticalHacktool Execution - Imphash
relatedcriticalHackTool - Rubeus Execution
relatedcriticalPotential Credential Dumping Via LSASS Process Clone
relatedcriticalWCE wceaux.dll Access
relatedcriticalHackTool - Dumpert Process Dumper Default File
▣

Scoring & Timeline

7.8
HIGH · CVSS v3.1 · 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 NVD27 Apr 2017 · 01:59 AM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
active
Automatable
no
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

8
suse-csafopenSUSE-SU-2024:10783-1
cisaKEV-CVE-2017-8291
suse-csafSUSE-SU-2017:1404-1
suse-csafSUSE-SU-2017:1322-1
suse-csafSUSE-SU-2017:1153-1
🔗

References & Sources

8
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://openwall.com/lists/oss-security/2017/04/28/2Mailing ListPatchThird Party Advisory
http://www.debian.org/security/2017/dsa-3838Mailing ListThird Party Advisory
http://www.securityfocus.com/bid/98476Broken LinkThird Party AdvisoryVDB Entry
https://bugs.ghostscript.com/show_bug.cgi?id=697808Issue TrackingThird Party AdvisoryVDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=1446063Issue TrackingPatchThird Party AdvisoryVDB Entry
https://git.ghostscript.com/?p=ghostpdl.gitBroken Link
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