CVE-2017-0898

Publication date 15 September 2017

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

9.1 · Critical

Score breakdown

Ruby before 2.4.2, 2.3.5, and 2.2.8 is vulnerable to a malicious format string which contains a precious specifier (*) with a huge minus value. Such situation can lead to a buffer overrun, resulting in a heap memory corruption or an information disclosure from the heap.

Read the notes from the security team

Status

Package Ubuntu Release Status
ruby1.9.1 18.04 LTS bionic Not in release
17.10 artful Not in release
17.04 zesty Not in release
16.04 LTS xenial Not in release
14.04 LTS trusty
Fixed 1.9.3.484-2ubuntu1.5
ruby2.0 18.04 LTS bionic Not in release
17.10 artful Not in release
17.04 zesty Not in release
16.04 LTS xenial Not in release
14.04 LTS trusty
Fixed 2.0.0.484-1ubuntu2.10
ruby2.3 18.04 LTS bionic Not in release
17.10 artful
Fixed 2.3.3-1ubuntu1.6
17.04 zesty Ignored end of life
16.04 LTS xenial
Fixed 2.3.1-2~16.04.10
14.04 LTS trusty Not in release

Notes

mdeslaur

backported patch in debian (2.3.3-1+deb9u2) package

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
ruby2.3

Severity score breakdown

Parameter Value
Base score 9.1 · Critical
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact None
Availability impact High
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H