CVE-2017-12109

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Published Apr 24, 2018 CVSS 3.0 · 8.8 High EPSS 2.7% KEV · Not listed

Description

An exploitable integer overflow vulnerability exists in the xls_preparseWorkSheet function of libxls 1.4 when handling a MULRK record. A specially crafted XLS file can cause a memory corruption resulting in remote code execution. An attacker can send malicious XLS file to trigger this vulnerability.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

libxls

libxls

affected

Version	Status	Constraints
`1.4 readxl package 1.0.0 for R (tested using Microsoft R 4.3.1)`	affected	—

Configuration 1 [-]

cpe:2.3:a:libxls_project:libxls:1.4:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2017-3693	An exploitable integer overflow vulnerability exists in the xls_preparseWorkSheet function of libxls 1.4 when handling a MULRK record. A specially crafted XLS file can cause a memory corruption resulting in remote code execution. An attacker can send malicious XLS file to trigger this vulnerability.

Metrics

No CVSS v4.0

No CVSS v3.1

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction Required

Access Vector Network

Access Complexity Medium

Authentication None

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

Exploit prediction score: 2.7% (2.677% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
https://www.talosintelligence.com/vulnerability_reports/TALOS-2017-0461

History

No history.

Subscriptions

Libxls Project Libxls

Weaknesses

CWE-190

Sources

CVE record Updated: Sep 16, 2024, 4:22 PM

Status: PUBLISHED
Assigner: talos
Published: Apr 24, 2018, 7:00 PM
Updated: Sep 16, 2024, 4:22 PM
Reserved: Jul 31, 2017, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 1:02 AM

Status: Modified
Published: Apr 24, 2018, 7:29 PM
Modified: Jun 17, 2026, 1:02 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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