19 December 2018

KLCERT-18-034: LibVNC NULL Pointer Dereference

Vendor

LibVNC

Timeline

Timeline

  • Kaspersky ICS CERT advisory updated

    26 January 2024

  • Kaspersky ICS CERT advisory published

    19 December 2018

  • Vendor releases patch

    October 2018

  • Vulnerability reported

    October 2018

Description

LibVNCServer before a 0.9.12 release contains a null pointer dereference in VNC client code, which can result in denial-of-service condition.

CVSS v3

0.0

 (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H)

Exploitability

Remotely

Attack complexity

Low

User interaction

Required

Impact

Successful exploitation of this vulnerability could allow an attacker to cause a denial-of-service condition.

Existence of exploit

PoC

Affected products

LibVNCServer before the 0.9.12 release

Mitigation

Vendor mitigation

Update LibVNCServer to the 0.9.12 release or newer.

Kaspersky Lab publishes information on newly identified vulnerabilities in order to raise user awareness of the IT security threats detected. Kaspersky Lab does not make any guarantees in respect of information received from vendors of products in which vulnerabilities have been identified, which is included in the following sections of the advisory: Affected Products, Vendor Mitigation.

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Timeline

  • Kaspersky ICS CERT advisory updated

    26 January 2024

  • Kaspersky ICS CERT advisory published

    19 December 2018

  • Vendor releases patch

    October 2018

  • Vulnerability reported

    October 2018

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