It was found that the forceput operator could be extracted from the DefineResource method in ghostscript before 9.27. A…
Summary
Vulnerability reported (CVE-2019-3838). Confidential information can be exposed externally.
Original description
The description as published by the source.
It was found that the forceput operator could be extracted from the DefineResource method in ghostscript before 9.27. A specially crafted PostScript file could use this flaw in order to, for example, have access to the file system outside of the constrains imposed by -dSAFER.
Auto-generated summary
Assembled by SecPulse from the source data (CVSS, CWE, affected versions) using templates — no AI involved. Check the original description and references below for exact details.
A vulnerability tracked as CVE-2019-3838 has been found.
Confidential information can be exposed externally.
What to do: apply the vendor's official patched release.
If unsure, ask your IT team or search "CVE-2019-3838" on the vendor's site.
CVE-2019-3838
Attack vector: local / unauthenticated
Plan: 1) Audit SBOM/dependencies, 2) Stage→prod upgrade, 3) Add WAF/proxy monitoring on affected endpoints, 4) Hunt IOCs in logs.
Refs: see the GHSA / vendor advisory / patched release linked on this page.
A vulnerability (unclassified) has been reported.
Check the vendor advisory for the affected versions.
Severity: ?. Confidential information can be exposed externally.
Update to the patched release per vendor advisory.
Until the patch is applied: disable the affected feature, apply WAF rules, or restrict access via network ACLs.
Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Audit SBOM/dependencies to find affected services.
Response actions
Concrete steps and command examples for SOC/SRE teams to execute in order
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1Identify exposure identify
Audit SBOM/dependencies for affected components.資産台帳・SBOM・依存マニフェストで影響コンポーネントを特定する。
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2Post-deployment verification verify
Confirm patched version is live in productionパッチ適用後、ステージングで PoC または同等の悪用パターンを再現して脆弱性が閉じたことを確認。本番ではアクセスログ・WAF でアラート再発が無いか継続監視。
References
- advisory lists.opensuse.org
- advisory lists.opensuse.org
- advisory packetstormsecurity.com
- advisory access.redhat.com
- advisory access.redhat.com
- advisory lists.debian.org
- advisory seclists.org
- advisory seclists.org
- advisory security.gentoo.org
- advisory debian.org
- patch bugs.ghostscript.com
- report bugzilla.redhat.com
- web lists.fedoraproject.org
- web lists.fedoraproject.org
- web lists.fedoraproject.org