What is the CVSS score of CVE-2019-5066?

CVE-2019-5066 has a CVSS 3.1 base score of 9.8 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 2.4%.

Is there a public PoC exploit available for CVE-2019-5066?

Yes, a public proof-of-concept exploit is available for CVE-2019-5066. Prioritise patching immediately. EPSS: 2.4%.

Aspose Pdf For C CVE-2019-5066

CRITICAL

Use After Free (CWE-416)

2019-09-18 talos-cna@cisco.com

Use After Free Information Disclosure Memory Corruption Aspose Pdf For C

9.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

9.8 CRITICAL

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Sep 18, 2019 - 21:15 nvd

CRITICAL 9.8

DescriptionNVD

An exploitable use-after-free vulnerability exists in the way LZW-compressed streams are processed in Aspose.PDF 19.2 for C++. A specially crafted PDF can cause a dangling heap pointer, resulting in a use-after-free condition. To trigger this vulnerability, a specifically crafted PDF document needs to be processed by the target application.

AnalysisAI

An exploitable use-after-free vulnerability exists in the way LZW-compressed streams are processed in Aspose.PDF 19.2 for C++. Rated critical severity (CVSS 9.8), 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 as Use After Free (CWE-416), which allows attackers to access freed memory to execute arbitrary code or crash the application. An exploitable use-after-free vulnerability exists in the way LZW-compressed streams are processed in Aspose.PDF 19.2 for C++. A specially crafted PDF can cause a dangling heap pointer, resulting in a use-after-free condition. To trigger this vulnerability, a specifically crafted PDF document needs to be processed by the target application. Affected products include: Aspose Aspose.Pdf For C\+\+.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Use smart pointers or garbage-collected languages. Set pointers to NULL after freeing. Enable memory sanitizers.