What is the CVSS score of CVE-2019-7156?

CVE-2019-7156 has a CVSS 3.0 base score of 6.5 (Medium). CVSS vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H. EPSS exploitation probability: 1.3%.

Is there a public PoC exploit available for CVE-2019-7156?

Yes, a public proof-of-concept exploit is available for CVE-2019-7156. Prioritise patching immediately. EPSS: 1.3%.

Libdoc CVE-2019-7156

MEDIUM

Divide By Zero (CWE-369)

2019-01-29 cve@mitre.org

Information Disclosure Libdoc

6.5

CVSS 3.0 · NVD

Severity by source

NVD PRIMARY

6.5 MEDIUM

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

Lifecycle Timeline

CVE Published

Jan 29, 2019 - 08:29 nvd

MEDIUM 6.5

DescriptionNVD

In libdoc through 2019-01-28, calcFileBlockOffset in ole.c allows division by zero.

AnalysisAI

In libdoc through 2019-01-28, calcFileBlockOffset in ole.c allows division by zero. Rated medium severity (CVSS 6.5), 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-369. In libdoc through 2019-01-28, calcFileBlockOffset in ole.c allows division by zero. Affected products include: Libdoc Project Libdoc. Version information: through 2019.

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.