CVE-2017-14176: Command Injection
First published: Wed Aug 30 2017(Updated: )
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.
Credit: security@ubuntu.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/breezy | 3.0.0~bzr7290-2 3.1.0-8 3.3.2-3 3.3.4-1 | |
| debian/bzr | 2.7.0+bzr6622-15 2.7.0+bzr6622+brz | |
| redhat/bzr | <3.0 | 3.0 |
| Debian Linux | =8.0 | |
| Debian Linux | =9.0 | |
| Ubuntu | =14.04 | |
| Ubuntu | =16.04 | |
| Ubuntu | =17.04 | |
| Bazaar | <=2.7.0 |
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Reference Links
- https://bugs.launchpad.net/bzr/+bug/1710979
- https://security-tracker.debian.org/tracker/CVE-2017-14176
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=874429
- http://people.canonical.com/~ubuntu-security/cve/2017/CVE-2017-14176.html
- http://www.ubuntu.com/usn/usn-3411-1
- https://bugs.debian.org/874429
- https://bugzilla.redhat.com/show_bug.cgi?id=1486685
- https://bugzilla.suse.com/show_bug.cgi?id=1058214
- https://www.debian.org/security/2017/dsa-4052
- http://bazaar.launchpad.net/~brz/brz/trunk/revision/6754
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=1486686
- https://access.redhat.com/security/updates/classification/
Frequently Asked Questions
What is the severity of CVE-2017-14176?
CVE-2017-14176 has been classified as a high severity vulnerability due to its capability of allowing remote command execution.
How do I fix CVE-2017-14176?
To address CVE-2017-14176, you should upgrade to affected software versions, such as bzr 2.7.0 or later.
Who is affected by CVE-2017-14176?
CVE-2017-14176 affects users of Bazaar versions up to 2.7.0 that utilize Subprocess SSH.
What type of vulnerability is CVE-2017-14176?
CVE-2017-14176 is a remote command execution vulnerability that can be exploited through specially crafted bzr+ssh URLs.
Can CVE-2017-14176 impact automated deployment systems?
Yes, CVE-2017-14176 could pose a risk to automated deployment systems using vulnerable versions of Bazaar with Subprocess SSH.
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