Is CVE-2018-8786 in the CISA KEV catalog?

No. CVE-2018-8786 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2018-8786?

CVE-2018-8786 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2018-8786?

CVE-2018-8786 has an EPSS score of 8.16% (94th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2018-8786?

Upgrade freerdp2 on debian 11 to 2.0.0~git20181120.1.e21b72c95+dfsg1-1 or later. Fixes are available for 7 affected products.

CVE & CISA-KEV Catalog

CVE-2018-8786

CRITICALEPSS 94th pctl

9.8

CVSS v3

NVD

Description

FreeRDP prior to version 2.0.0-rc4 contains an Integer Truncation that leads to a Heap-Based Buffer Overflow in function update_read_bitmap_update() and results in a memory corruption and probably even a remote code execution.

CWE-680 CWE-681 CWE-787Out-of-bounds Write

How to fix

Remediation Available

freerdp2Debian

Fixed in:2.0.0~git20181120.1.e21b72c95+dfsg1-1CVE-2018-8786

freerdpUbuntu

Fixed in:1.0.2-2ubuntu1.2USN-3845-1

Fixed in:1.1.0~git20140921.1.440916e+dfsg1-5ubuntu1.3USN-3845-1

Fixed in:1.1.0~git20140921.1.440916e+dfsg1-15ubuntu1.18.04.1USN-3845-2

freerdp2Ubuntu

Fixed in:2.0.0~git20170725.1.1648deb+dfsg1-7ubuntu0.1USN-3845-1

libfreerdp-client1.1Ubuntu

Fixed in:1.1.0~git20140921.1.440916e+dfsg1-5ubuntu1.3USN-3845-1

Fixed in:1.1.0~git20140921.1.440916e+dfsg1-15ubuntu1.18.04.1USN-3845-2

libfreerdp-client2-2Ubuntu

Fixed in:2.0.0~git20170725.1.1648deb+dfsg1-7ubuntu0.1USN-3845-1

libfreerdp1Ubuntu

Fixed in:1.0.2-2ubuntu1.2USN-3845-1

libfreerdp2-2Ubuntu

Fixed in:2.0.0~git20170725.1.1648deb+dfsg1-7ubuntu0.1USN-3845-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

8.16%probability of exploitation in 30 days

94thpercentile

High risk: more likely to be exploited than 94% of all known CVEs.

References

Patch1

github.com

Exploit1

research.checkpoint.com

Third-Party Advisory5

Other references1

lists.fedoraproject.org

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.