19 декабря 2018

KLCERT-18-027: LibVNC Heap Use-After-Free

Vendor

LibVNC

Timeline

Timeline

  • Kaspersky ICS CERT advisory updated

    26 января 2024

  • Kaspersky ICS CERT advisory published

    19 декабря 2018

  • Vendor releases patch

    Ноябрь 2018

  • Vulnerability reported

    14 августа 2018

Description

LibVNCServer before a 0.9.12 release contains a heap use-after-free vulnerability in the server code of the file transfer extension, which can result in remote code execution.

CVSS v3

0.0

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

Exploitability

Remotely

Attack complexity

Low

User interaction

None

Attack conditions

The security vulnerability could be exploited by an attacker with network access to the affected systems. LibVNCServer tight file transfer extension should be enabled to trigger the mentioned vulnerability. Successful exploitation requires user privileges.

Impact

Successful exploitation of this vulnerability could allow an attacker to execute arbitrary code.

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.

Вернуться к началу

Timeline

  • Kaspersky ICS CERT advisory updated

    26 января 2024

  • Kaspersky ICS CERT advisory published

    19 декабря 2018

  • Vendor releases patch

    Ноябрь 2018

  • Vulnerability reported

    14 августа 2018

Вернуться к началу
Подписка на рассылку