Vulnerability Monitor

The vendors, products, and vulnerabilities you care about

CVE-2010-5304

A NULL pointer dereference flaw was found in the way LibVNCServer before 0.9.9 handled certain ClientCutText message. A remote attacker could use this flaw to crash the VNC server by sending a specially crafted ClientCutText message from a VNC client.

Security Impact Summary

This vulnerability carries a HIGH severity rating with a CVSS v3.1 score of 7.5, indicating it can be exploited remotely over the network with relatively low complexity without requiring user interaction and does not require pre-existing privileges . The vulnerability impacts and availability (service disruption) for affected systems. Impacting 2 products from libvncserver_project, from fedoraproject organizations running these solutions should prioritize assessment and patching.

Historical Context

Reported in 2020, this vulnerability emerged during an era marked by increased sophistication in supply chain attacks, cloud infrastructure vulnerabilities, and software-as-a-service (SaaS) security challenges. Security practices during this period emphasized zero-trust architectures, container security, and API protection.

Published

2020-02-05T20:15:10.577

Last Modified

2024-11-21T01:22:59.840

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.5 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:P

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

2.9

Weaknesses

Type: Primary
CWE-476

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	libvncserver_project	libvncserver	< 0.9.9	Yes
Operating System	fedoraproject	fedora	19	Yes
Operating System	fedoraproject	fedora	20	Yes
Operating System	fedoraproject	fedora	21	Yes

References

http://lists.fedoraproject.org/pipermail/package-announce/2014-October/139654.html Mailing List, Third Party Advisory ([email protected])
http://lists.fedoraproject.org/pipermail/package-announce/2014-October/139814.html Mailing List, Third Party Advisory ([email protected])
http://lists.fedoraproject.org/pipermail/package-announce/2014-October/140219.html Mailing List, Third Party Advisory ([email protected])
http://lists.fedoraproject.org/pipermail/package-announce/2014-September/139445.html Mailing List, Third Party Advisory ([email protected])
http://seclists.org/oss-sec/2014/q3/639 Mailing List, Third Party Advisory ([email protected])
http://www.openwall.com/lists/oss-security/2014/09/23/6 Mailing List, Third Party Advisory ([email protected])
http://lists.fedoraproject.org/pipermail/package-announce/2014-October/139654.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.fedoraproject.org/pipermail/package-announce/2014-October/139814.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.fedoraproject.org/pipermail/package-announce/2014-October/140219.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://lists.fedoraproject.org/pipermail/package-announce/2014-September/139445.html Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://seclists.org/oss-sec/2014/q3/639 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.openwall.com/lists/oss-security/2014/09/23/6 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For libvncserver_project's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.