CVE-2018-8777

2018-04-0300:00:00

ubuntu.com

7.5 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

5 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

0.007 Low

EPSS

Percentile

79.5%

JSON

In Ruby before 2.2.10, 2.3.x before 2.3.7, 2.4.x before 2.4.4, 2.5.x before
2.5.1, and 2.6.0-preview1, an attacker can pass a large HTTP request with a
crafted header to WEBrick server or a crafted body to WEBrick
server/handler and cause a denial of service (memory consumption).

OSVersionArchitecturePackageVersionFilename
ubuntu14.04noarchruby1.9.1< 1.9.3.484-2ubuntu1.12UNKNOWN
ubuntu14.04noarchruby2.0< 2.0.0.484-1ubuntu2.10UNKNOWN
ubuntu17.10noarchruby2.3< 2.3.3-1ubuntu1.6UNKNOWN
ubuntu16.04noarchruby2.3< 2.3.1-2~16.04.10UNKNOWN
ubuntu18.04noarchruby2.5< 2.5.1-1UNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	14.04	noarch	ruby1.9.1	< 1.9.3.484-2ubuntu1.12	UNKNOWN
ubuntu	14.04	noarch	ruby2.0	< 2.0.0.484-1ubuntu2.10	UNKNOWN
ubuntu	17.10	noarch	ruby2.3	< 2.3.3-1ubuntu1.6	UNKNOWN
ubuntu	16.04	noarch	ruby2.3	< 2.3.1-2~16.04.10	UNKNOWN
ubuntu	18.04	noarch	ruby2.5	< 2.5.1-1	UNKNOWN