Critical

Out-of-Bounds Write RCE in Adobe Acrobat and Reader 3D PDF Rendering

IdentifiersCVE-2019-7119CWE-787· Out-of-bounds Write

CVE-2019-7119 is a critical out-of-bounds write vulnerability in Adobe Acrobat and Reader affecting versions 2019.010.20098 and earlier, 2017.011.30127 and earlier, and 2015.006.30482 and earlier. The flaw is in the 3D rendering path used for embedded PDF 3D content, specifically the 2d.x3d module and related rt3d processing associated with ECMA-363 Universal 3D File Format (U3D) resources. Available analysis indicates the root cause is an out-of-bounds write in TRGB::Read(), with crash evidence at 2d!png_set_filter_heuristics during handling of crafted texture/image data, including external image references. A malicious PDF containing crafted U3D texture resources can trigger an arbitrary write when 3D content is rendered, potentially leading to arbitrary code execution.

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ANALYST BRIEF

Impact, mitigation & remediation

What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.

Impact

What an attacker gets, and what they’ve been doing with it.

Successful exploitation can result in arbitrary code execution in the context of the logged-on user. The observed arbitrary write occurs in the sandboxed Adobe Reader process, but code execution within that context can still enable attacker-controlled execution, access to user-available data, and follow-on exploitation depending on sandbox escape opportunities or product configuration.

Mitigation

If you can’t patch tonight, do this now.

Apply Adobe security updates as the primary mitigation. Where immediate patching is not possible, reduce exposure by disabling or restricting 3D content rendering in PDF workflows, especially in environments that exchange 3D PDFs. Limit opening of untrusted PDF documents and enforce protected-view/sandboxing controls where available. Organizations in CAD or other sectors that routinely use 3D PDFs should prioritize patch deployment because they may have 3D content enabled by default.

Remediation

Patch, then assume compromise.

Upgrade Adobe Acrobat/Reader to a fixed release identified by Adobe in APSB19-17. Fixed versions include Acrobat/Reader DC Continuous 2019.010.20099, Acrobat/Reader 2017 Classic 2017.011.30138, and Acrobat/Reader DC Classic 2015.006.30493 for Windows and macOS. Use the built-in updater or deploy vendor-provided updated packages through enterprise software distribution mechanisms.

PUBLIC EXPLOITS

Exploits

No public exploits tracked yet. Mallory keeps watching.

VALID 0 / 0 TOTALView more in app

No public exploit code observed for this vulnerability.

EXPOSURE SURFACE

Affected products & vendors

Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.

VendorProductType

AdobeAcrobat Dcapplication

AdobeAcrobat Reader Dcapplication

Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.

ACTIVITY FEED

Recent activity

2 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.

2 SOURCESView more in app

adobe-security-bulletinsNews

Apr 9, 2019

Adobe Security Bulletin

An out-of-bounds write vulnerability in Adobe Acrobat/Reader that could lead to arbitrary code execution in the context of the current user.

starlabs sgNews

Apr 9, 2019

(CVE-2019-7119) Acrobat Reader DC 2d.x3d!_LoadRGB() Out-of-Bounds Write in TRGB::Read() | STAR Labs

An arbitrary out-of-bounds write vulnerability in Adobe Reader DC's 3D content handling modules (including 2d.x3d/rt3d) that can be triggered via crafted embedded or external image data in 3D PDF content.

What this page doesn’t show

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Exposure mapping

Query your assets running an affected version, and investigate the blast radius.

Threat actor evidence

Every observed campaign linking this CVE to a named adversary.

Associated malware

Malware families riding this exploit, with evidence and IOCs.

Detection signatures

YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.

Vendor-by-vendor mapping

Cross-references every affected SKU, including bundled OEM variants.

Social activity