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19 December 2018
KLCERT-18-033: LibVNC Memory leak
Vendor
LibVNC
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CVE-IDS
-
KLCERT
KLCERT-18-033
Timeline
Timeline
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Kaspersky ICS CERT advisory updated
02 November 2023
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Kaspersky ICS CERT advisory published
19 December 2018
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Vendor releases patch
September 2018
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Vulnerability reported
11 September 2018
Description
LibVNCServer before 0.9.12 release contains CWE-665: Improper Initialization vulnerability in VNC Repeater client code, which could allow an attacker to read stack memory and can be abused for information disclosure. Combined with another vulnerability, it can be used to leak stack memory layout and bypass ASLR.
CVSS v3
Exploitability
Remotely exploitable, network access is required
Attack complexity
Low
Privilege required
No privileges are required
User interaction
Required
Impact
Successful exploitation of this vulnerability could allow an attacker to cause information disclosure and expand attack vectors.
Existence of exploit
PoC
Affected products
LibVNCServer before 0.9.12 release
Mitigation
Update LibVNCServer to 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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