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CVE-2019-1163

MEDIUMCVSS 5.5/10EPSS 1.49%

Last modified

CVE-2019-1163 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. A security feature bypass exists when Windows incorrectly validates CAB file signatures. An attacker who successfully exploited this vulnerability could inject code into a CAB file without invalidating the file's signature. To exploit the vulnerability, an attacker could modify a signed CAB file and inject malicious code. EPSS estimates a 1.49% chance of exploitation in the next 30 days.

Description

A security feature bypass exists when Windows incorrectly validates CAB file signatures. An attacker who successfully exploited this vulnerability could inject code into a CAB file without invalidating the file's signature. To exploit the vulnerability, an attacker could modify a signed CAB file and inject malicious code. The attacker could then convince a target user to execute the file. The update addresses the vulnerability by correcting how Windows validates file signatures.

Metrics

CVSS 3.1
5.5/10

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

EPSS Probability
1.49%

70.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
MicrosoftWindows 10All versions
MicrosoftWindows 101607
MicrosoftWindows 101703
MicrosoftWindows 101709
MicrosoftWindows 101803
MicrosoftWindows 101809
MicrosoftWindows 101903
MicrosoftWindows Server 2016All versions
MicrosoftWindows Server 20161803
MicrosoftWindows Server 20161903
MicrosoftWindows Server 2019All versions

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2019-1163?
A security feature bypass exists when Windows incorrectly validates CAB file signatures. An attacker who successfully exploited this vulnerability could inject code into a CAB file without invalidating the file's signature. To exploit the vulnerability, an attacker could modify a signed CAB file and inject malicious code. The attacker could then convince a target user to execute the file. The update addresses the vulnerability by correcting how Windows validates file signatures.
How severe is CVE-2019-1163?
CVE-2019-1163 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 1.49% probability of exploitation in the next 30 days.
How do I fix CVE-2019-1163?
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-2019-1163?

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

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Source: NVD / NIST