Is CVE-2019-15681 in the CISA KEV catalog?

No. CVE-2019-15681 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2019-15681?

CVE-2019-15681 has a CVSS v3 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2019-15681?

CVE-2019-15681 has an EPSS score of 3.35% (87th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2019-15681?

Upgrade libvncserver on debian 11 to 0.9.12+dfsg-3 or later. Fixes are available for 9 affected products.

CVE & CISA-KEV Catalog

CVE-2019-15681

HIGHEPSS 87th pctl

7.5

CVSS v3

NVD

Description

LibVNC commit before d01e1bb4246323ba6fcee3b82ef1faa9b1dac82a contains a memory leak (CWE-655) in VNC server code, which allow an attacker to read stack memory and can be abused for information disclosure. Combined with another vulnerability, it can be used to leak stack memory and bypass ASLR. This attack appear to be exploitable via network connectivity. These vulnerabilities have been fixed in commit d01e1bb4246323ba6fcee3b82ef1faa9b1dac82a.

CWE-665

How to fix

Remediation Available

libvncserverDebian

Fixed in:0.9.12+dfsg-3CVE-2019-15681

italcUbuntu

Fixed in:1:2.0.2+dfsg1-4ubuntu0.1USN-4587-1

Fixed in:1:3.0.3+dfsg1-3ubuntu0.1USN-4547-1

italc-clientUbuntu

Fixed in:1:2.0.2+dfsg1-4ubuntu0.1USN-4587-1

Fixed in:1:3.0.3+dfsg1-3ubuntu0.1USN-4547-1

italc-masterUbuntu

Fixed in:1:2.0.2+dfsg1-4ubuntu0.1USN-4587-1

Fixed in:1:3.0.3+dfsg1-3ubuntu0.1USN-4547-1

libitalccoreUbuntu

Fixed in:1:2.0.2+dfsg1-4ubuntu0.1USN-4587-1

Fixed in:1:3.0.3+dfsg1-3ubuntu0.1USN-4547-1

libvncclient1Ubuntu

Fixed in:0.9.10+dfsg-3ubuntu0.16.04.4USN-4407-1

Fixed in:0.9.11+dfsg-1ubuntu1.2USN-4407-1

Fixed in:0.9.12+dfsg-9ubuntu0.1USN-4407-1

libvncserverUbuntu

Fixed in:0.9.10+dfsg-3ubuntu0.16.04.4USN-4407-1

Fixed in:0.9.11+dfsg-1ubuntu1.2USN-4407-1

Fixed in:0.9.12+dfsg-9ubuntu0.1USN-4407-1

libvncserver1Ubuntu

Fixed in:0.9.10+dfsg-3ubuntu0.16.04.4USN-4407-1

Fixed in:0.9.11+dfsg-1ubuntu1.2USN-4407-1

Fixed in:0.9.12+dfsg-9ubuntu0.1USN-4407-1

vinoUbuntu

Fixed in:3.8.1-0ubuntu9.3USN-4573-1

Fixed in:3.22.0-3ubuntu1.1USN-4573-1

Fixed in:3.22.0-5ubuntu2.1USN-4573-1

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

IntegrityNone

AvailabilityNone

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

Exploit Intelligence

3.35%probability of exploitation in 30 days

87thpercentile

Elevated risk: more likely to be exploited than 87% of all known CVEs.

References

Patch1

github.com

Third-Party Advisory11

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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.