CVE & CISA-KEV Catalog

CVE-2019-15695

HIGHEPSS 90th pctl
7.2
CVSS v3
NVD

Description

TigerVNC version prior to 1.10.1 is vulnerable to stack buffer overflow, which could be triggered from CMsgReader::readSetCursor. This vulnerability occurs due to insufficient sanitization of PixelFormat. Since remote attacker can choose offset from start of the buffer to start writing his values, exploitation of this vulnerability could potentially result into remote code execution. This attack appear to be exploitable via network connectivity.

CWE-121Stack-based Buffer OverflowCWE-754CWE-787Out-of-bounds Write

How to fix

Remediation Available
tigervncDebian
Fixed in:1.10.1+dfsg-1CVE-2019-15695
Fixed in:1.10.1+dfsg-1CVE-2019-15695
Fixed in:1.10.1+dfsg-1CVE-2019-15695
Fixed in:1.10.1+dfsg-1CVE-2019-15695
TigerVNCWindows application
Affected:1.10.1Fixed in:1.10.1TigerVNC project

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 RequiredHigh
User InteractionNone
ScopeUnchanged

Impact

ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

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

Exploit Intelligence

4.49%probability of exploitation in 30 days
90thpercentile

High risk: more likely to be exploited than 90% of all known CVEs.

References

Exploit1
Third-Party Advisory1
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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.