Your submission was sent successfully! Close

Thank you for contacting us. A member of our team will be in touch shortly. Close

You have successfully unsubscribed! Close

Thank you for signing up for our newsletter!
In these regular emails you will find the latest updates about Ubuntu and upcoming events where you can meet our team.Close

CVE-2017-14176

Publication date 5 September 2017

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

Cvss 3 Severity Score

8.8 · High

Score breakdown

Bazaar through 2.7.0, when Subprocess SSH is used, allows remote attackers to execute arbitrary commands via a bzr+ssh URL with an initial dash character in the hostname, a related issue to CVE-2017-9800, CVE-2017-12836, CVE-2017-12976, CVE-2017-16228, CVE-2017-1000116, and CVE-2017-1000117.

From the Ubuntu Security Team

Adam Collard discovered that Bazaar did not properly handle host names in 'bzr+ssh://' URLs. A remote attacker could use this to construct a bazaar repository URL that when accessed could run arbitrary code with the privileges of the user.

Status

Package Ubuntu Release Status
bzr 17.10 artful
Fixed 2.7.0+bzr6622-6ubuntu1
17.04 zesty
Fixed 2.7.0+bzr6619-7ubuntu0.1
16.04 LTS xenial
Fixed 2.7.0-2ubuntu3.1
14.04 LTS trusty
Fixed 2.6.0+bzr6593-1ubuntu1.6

Severity score breakdown

Parameter Value
Base score 8.8 · High
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References

Related Ubuntu Security Notices (USN)

Other references