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ubuntucveUbuntu.comUB:CVE-2018-7225
HistoryFeb 19, 2018 - 12:00 a.m.

CVE-2018-7225

2018-02-1900:00:00
ubuntu.com
ubuntu.com
10

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.5 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

0.013 Low

EPSS

Percentile

85.4%

An issue was discovered in LibVNCServer through 0.9.11.
rfbProcessClientNormalMessage() in rfbserver.c does not sanitize
msg.cct.length, leading to access to uninitialized and potentially
sensitive data or possibly unspecified other impact (e.g., an integer
overflow) via specially crafted VNC packets.

Bugs

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchitalc< 1:3.0.3+dfsg1-3ubuntu0.1UNKNOWN
ubuntu16.04noarchitalc< 1:2.0.2+dfsg1-4ubuntu0.1UNKNOWN
ubuntu17.10noarchlibvncserver< 0.9.11+dfsg-1ubuntu0.1UNKNOWN
ubuntu18.04noarchlibvncserver< 0.9.11+dfsg-1ubuntu0.1UNKNOWN
ubuntu20.04noarchlibvncserver< 0.9.11+dfsg-1ubuntu0.1UNKNOWN
ubuntu20.10noarchlibvncserver< 0.9.11+dfsg-1ubuntu1UNKNOWN
ubuntu21.04noarchlibvncserver< 0.9.11+dfsg-1ubuntu1UNKNOWN
ubuntu21.10noarchlibvncserver< 0.9.11+dfsg-1ubuntu1UNKNOWN
ubuntu22.04noarchlibvncserver< 0.9.11+dfsg-1ubuntu1UNKNOWN
ubuntu22.10noarchlibvncserver< 0.9.11+dfsg-1ubuntu1UNKNOWN
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1-10 of 301

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.5 High

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

0.013 Low

EPSS

Percentile

85.4%