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CVE-2017-12108

HIGHCVSS 8.8/10EPSS 2.77%

Last modified

CVE-2017-12108 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. An exploitable integer overflow vulnerability exists in the xls_preparseWorkSheet function of libxls 1.4 when handling a MULBLANK record. A specially crafted XLS file can cause a memory corruption resulting in remote code execution. EPSS estimates a 2.77% chance of exploitation in the next 30 days.

Description

An exploitable integer overflow vulnerability exists in the xls_preparseWorkSheet function of libxls 1.4 when handling a MULBLANK 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

CVSS 3.1
8.8/10

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

EPSS Probability
2.77%

84.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
Libxls ProjectLibxls1.4

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2017-12108?
An exploitable integer overflow vulnerability exists in the xls_preparseWorkSheet function of libxls 1.4 when handling a MULBLANK 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.
How severe is CVE-2017-12108?
CVE-2017-12108 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 2.77% probability of exploitation in the next 30 days.
How do I fix CVE-2017-12108?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2017-12108?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST