What is the CVSS score of CVE-2019-5031?

CVE-2019-5031 has a CVSS 3.1 base score of 8.8 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H. EPSS exploitation probability: 6.0%.

Is there a public PoC exploit available for CVE-2019-5031?

Yes, a public proof-of-concept exploit is available for CVE-2019-5031. Prioritise patching immediately. EPSS: 6.0%.

Phantompdf CVE-2019-5031

HIGH

Improper Check or Handling of Exceptional Conditions (CWE-703)

2019-10-02 talos-cna@cisco.com

Buffer Overflow RCE Phantompdf Reader

8.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

8.8 HIGH

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Oct 02, 2019 - 16:15 nvd

HIGH 8.8

DescriptionNVD

An exploitable memory corruption vulnerability exists in the JavaScript engine of Foxit Software's Foxit PDF Reader, version 9.4.1.16828. A specially crafted PDF document can trigger an out-of-memory condition which isn't handled properly, resulting in arbitrary code execution. An attacker needs to trick the user to open the malicious file to trigger this vulnerability. If the browser plugin extension is enabled, visiting a malicious site can also trigger the vulnerability.

AnalysisAI

An exploitable memory corruption vulnerability exists in the JavaScript engine of Foxit Software's Foxit PDF Reader, version 9.4.1.16828. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified under CWE-703. An exploitable memory corruption vulnerability exists in the JavaScript engine of Foxit Software's Foxit PDF Reader, version 9.4.1.16828. A specially crafted PDF document can trigger an out-of-memory condition which isn't handled properly, resulting in arbitrary code execution. An attacker needs to trick the user to open the malicious file to trigger this vulnerability. If the browser plugin extension is enabled, visiting a malicious site can also trigger the vulnerability. Affected products include: Foxitsoftware Phantompdf, Foxitsoftware Reader. Version information: version 9.4.1.16828..

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.