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CVE-2015-7551

Publication date 23 March 2016

Last updated 24 July 2024

Ubuntu priority

Low

Why this priority?

Cvss 3 Severity Score

8.4 · High

Score breakdown

The Fiddle::Handle implementation in ext/fiddle/handle.c in Ruby before 2.0.0-p648, 2.1 before 2.1.8, and 2.2 before 2.2.4, as distributed in Apple OS X before 10.11.4 and other products, mishandles tainting, which allows context-dependent attackers to execute arbitrary code or cause a denial of service (application crash) via a crafted string, related to the DL module and the libffi library. NOTE: this vulnerability exists because of a CVE-2009-5147 regression.

Read the notes from the security team

Status

Package Ubuntu Release Status
ruby1.9.1 17.04 zesty Not in release
16.10 yakkety Not in release
16.04 LTS xenial Not in release
15.10 wily Not in release
15.04 vivid Ignored
14.04 LTS trusty Not in release
12.04 LTS precise Ignored
ruby2.0 17.04 zesty Not in release
16.10 yakkety Not in release
16.04 LTS xenial Not in release
15.10 wily Not in release
15.04 vivid Not in release
14.04 LTS trusty
Fixed 2.0.0.484-1ubuntu2.4
12.04 LTS precise Not in release
ruby2.1 17.04 zesty Not in release
16.10 yakkety Not in release
16.04 LTS xenial Not in release
15.10 wily Ignored
15.04 vivid Ignored
14.04 LTS trusty Not in release
12.04 LTS precise Not in release
ruby2.2 17.04 zesty Not in release
16.10 yakkety Not in release
16.04 LTS xenial Not in release
15.10 wily Ignored
15.04 vivid Not in release
14.04 LTS trusty Not in release
12.04 LTS precise Not in release
ruby2.3 17.04 zesty
Not affected
16.10 yakkety
Not affected
16.04 LTS xenial
Not affected
15.10 wily Not in release
15.04 vivid Not in release
14.04 LTS trusty Not in release
12.04 LTS precise Not in release

Notes

mdeslaur

This is the same issue as CVE-2009-5147, except for other releases than 1.9.1

Patch details

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

Package Patch details
ruby2.1

Severity score breakdown

Parameter Value
Base score 8.4 · High
Attack vector Local
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H