CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:L/Au:N/C:P/I:N/A:N
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS
Percentile
77.2%
LibVNC before 2f5b2ad1c6c99b1ac6482c95844a84d66bb52838 contains multiple
weaknesses CWE-665: Improper Initialization vulnerability in VNC client
code that allows attacker to read stack memory and can be abuse for
information disclosure. Combined with another vulnerability, it can be used
to leak stack memory layout and in bypassing ASLR
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
ubuntu | 18.04 | noarch | italc | < 1:3.0.3+dfsg1-3ubuntu0.1 | UNKNOWN |
ubuntu | 16.04 | noarch | italc | < 1:2.0.2+dfsg1-4ubuntu0.1 | UNKNOWN |
ubuntu | 18.04 | noarch | libvncserver | < 0.9.11+dfsg-1ubuntu1.1 | UNKNOWN |
ubuntu | 18.10 | noarch | libvncserver | < 0.9.11+dfsg-1.1ubuntu0.1 | UNKNOWN |
ubuntu | 14.04 | noarch | libvncserver | < 0.9.9+dfsg-1ubuntu1.4 | UNKNOWN |
ubuntu | 16.04 | noarch | libvncserver | < 0.9.10+dfsg-3ubuntu0.16.04.3 | UNKNOWN |
ubuntu | 18.04 | noarch | ssvnc | < any | UNKNOWN |
ubuntu | 16.04 | noarch | ssvnc | < 1.9.29-2+deb8u1build0.16.04.1 | UNKNOWN |
ubuntu | 18.04 | noarch | tightvnc | < any | UNKNOWN |
ubuntu | 20.04 | noarch | tightvnc | < any | UNKNOWN |
ics-cert.kaspersky.com/advisories/klcert-advisories/2018/12/19/klcert-18-032-libvnc-multiple-memory-leaks/
launchpad.net/bugs/cve/CVE-2018-20022
nvd.nist.gov/vuln/detail/CVE-2018-20022
security-tracker.debian.org/tracker/CVE-2018-20022
ubuntu.com/security/notices/USN-3877-1
ubuntu.com/security/notices/USN-4547-1
ubuntu.com/security/notices/USN-4547-2
ubuntu.com/security/notices/USN-4587-1
www.cve.org/CVERecord?id=CVE-2018-20022
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
AV:N/AC:L/Au:N/C:P/I:N/A:N
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS
Percentile
77.2%