Strix
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CVE-2018-7225

UnknownEPSS 6.45%

Last modified

CVE-2018-7225 is a vulnerability of currently unknown severity. An issue was discovered in LibVNCServer through 0.9.11. rfbProcessClientNormalMessage() in rfbserver.c does not sanitize msg.cct.length, leading to access to uninitialized and potentially sensitive data or possibly unspecified other impact (e.g., an integer overflow) via specially crafted VNC packets.. EPSS estimates a 6.45% chance of exploitation in the next 30 days.

Description

An issue was discovered in LibVNCServer through 0.9.11. rfbProcessClientNormalMessage() in rfbserver.c does not sanitize msg.cct.length, leading to access to uninitialized and potentially sensitive data or possibly unspecified other impact (e.g., an integer overflow) via specially crafted VNC packets.

Metrics

EPSS Probability
6.45%

92.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
Libvncserver ProjectLibvncserver<= 0.9.11
DebianDebian Linux7.0
DebianDebian Linux8.0
DebianDebian Linux9.0
CanonicalUbuntu Linux14.04
CanonicalUbuntu Linux16.04
CanonicalUbuntu Linux17.10
RedhatEnterprise Linux Desktop7.0
RedhatEnterprise Linux Server7.0
RedhatEnterprise Linux Server Aus7.6
RedhatEnterprise Linux Server Eus7.5
RedhatEnterprise Linux Server Eus7.6
RedhatEnterprise Linux Server Tus7.6
RedhatEnterprise Linux Workstation7.0

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2018-7225?
An issue was discovered in LibVNCServer through 0.9.11. rfbProcessClientNormalMessage() in rfbserver.c does not sanitize msg.cct.length, leading to access to uninitialized and potentially sensitive data or possibly unspecified other impact (e.g., an integer overflow) via specially crafted VNC packets.
How severe is CVE-2018-7225?
Severity scoring for CVE-2018-7225 is pending analysis. The EPSS model estimates a 6.45% probability of exploitation in the next 30 days.
How do I fix CVE-2018-7225?
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-2018-7225?

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

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Source: NVD / NIST