19 December 2018

KLCERT-18-028: LibVNC Heap Out-of-Bound Write

Vendor

LibVNC

Timeline

Timeline

  • Kaspersky ICS CERT advisory published

    19 December 2018

  • Vendor releases patch

    October 2018

  • Vulnerability reported

    August 2018

Description

LibVNC before commit 502821828ed00b4a2c4bef90683d0fd88ce495de contains a heap out-of-bound write vulnerability in the server code of the file transfer extension, which can result in remote code execution. This attack appears to be exploitable via network connectivity. This vulnerability has been fixed in 502821828ed00b4a2c4bef90683d0fd88ce495de and later.

CVSS v3

0.0

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

Exploitability

Remotely

Attack complexity

Low

User interaction

None

Impact

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

Existence of exploit

Unknown

Affected products

LibVNC before commit 502821828ed00b4a2c4bef90683d0fd88ce495de

Mitigation

Vendor mitigation

Update LibVNC to 0.9.12

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 published

    19 December 2018

  • Vendor releases patch

    October 2018

  • Vulnerability reported

    August 2018

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