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CVE-2015-1855

Publication date 9 April 2015

Last updated 24 July 2024

Ubuntu priority

Low

Why this priority?

Cvss 3 Severity Score

5.9 · Medium

Score breakdown

verify_certificate_identity in the OpenSSL extension in Ruby before 2.0.0 patchlevel 645, 2.1.x before 2.1.6, and 2.2.x before 2.2.2 does not properly validate hostnames, which allows remote attackers to spoof servers via vectors related to (1) multiple wildcards, (1) wildcards in IDNA names, (3) case sensitivity, and (4) non-ASCII characters.

Read the notes from the security team

Status

Package Ubuntu Release Status
ruby1.8 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
14.10 utopic Not in release
14.04 LTS trusty Not in release
12.04 LTS precise Ignored
10.04 LTS lucid Ignored
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
14.10 utopic Ignored
14.04 LTS trusty
Fixed 1.9.3.484-2ubuntu1.3
12.04 LTS precise Ignored
10.04 LTS lucid 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
14.10 utopic Ignored
14.04 LTS trusty
Fixed 2.0.0.484-1ubuntu2.4
12.04 LTS precise Not in release
10.04 LTS lucid 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
Not affected
15.04 vivid Ignored
14.10 utopic Ignored
14.04 LTS trusty Not in release
12.04 LTS precise Not in release
10.04 LTS lucid 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
Not affected
15.04 vivid Not in release
14.10 utopic Not in release
14.04 LTS trusty Not in release
12.04 LTS precise Not in release
10.04 LTS lucid 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
14.10 utopic Not in release
14.04 LTS trusty Not in release
12.04 LTS precise Not in release
10.04 LTS lucid Not in release

Notes

mdeslaur

needs a cert with multiple wildcards

Patch details

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

Package Patch details
ruby1.8
ruby1.9.1
ruby2.0
ruby2.1
ruby2.2
ruby2.3

Severity score breakdown

Parameter Value
Base score 5.9 · Medium
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact High
Availability impact None
Vector CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

References

Related Ubuntu Security Notices (USN)

Other references