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CVE-2017-14176

Bazaar allows remote attackers to execute arbitrary commands via a bzr+ssh URL with initial dash character in hostname

8.8 HighFix available

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.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
Required

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

6.27%Up 2.7 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 8.8

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.

Record
CVE-2017-14176
CVSS 3.0
8.8 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS 2.0
9.3 HighAV:N/AC:M/Au:N/C:C/I:C/A:C
Updated
2026-11-02
CVE List No score

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.

Record
CVE-2017-14176
Updated
2026-11-02
EUVDEUVD-2017-5686 No score

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.

Record
EUVD-2017-5686
Updated
2026-11-03
GitHub AdvisoriesGHSA-jjxg-hpm7-g95f 8.8

Bazaar allows remote attackers to execute arbitrary commands via a bzr+ssh URL with initial dash character in hostname

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.

Record
GHSA-jjxg-hpm7-g95f
CVSS 3.0
8.8 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSV 8.8

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.

Record
CVE-2017-14176
CVSS 3.0
8.8 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVDEBIAN-CVE-2017-14176 8.8

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.

Record
DEBIAN-CVE-2017-14176
CVSS 3.0
8.8 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
Show 4 moreShow less
OSVGHSA-jjxg-hpm7-g95f 8.8

Bazaar allows remote attackers to execute arbitrary commands via a bzr+ssh URL with initial dash character in hostname

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.

Record
GHSA-jjxg-hpm7-g95f
CVSS 3.0
8.8 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVPYSEC-2017-149 8.8

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.

Record
PYSEC-2017-149
CVSS 3.0
8.8 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVUBUNTU-CVE-2017-14176 8.8

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.

Record
UBUNTU-CVE-2017-14176
CVSS 3.0
8.8 HighCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Updated
2026-11-02
OSVSUSE-SU-2018:1489-1 No score

Security update for bzr

Bzr was updated to fix a security issue:

  • CVE-2017-14176: Avoid code execution using ssh:// url injection (boo#1058214)
Record
SUSE-SU-2018:1489-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
bzr
PyPI
 through 2.7.0 None known
breezy
Debian:12
 before 3.0.0~bzr6772-1
3.0.0~bzr6772-1
breezy
Debian:13
 before 3.0.0~bzr6772-1
3.0.0~bzr6772-1
breezy
Debian:14
 before 3.0.0~bzr6772-1
3.0.0~bzr6772-1
bzr
Debian:12
 before 2.7.0+bzr6622-7
2.7.0+bzr6622-7
bzr
Debian:13
 before 2.7.0+bzr6622-7
2.7.0+bzr6622-7
bzr
Debian:7
From an advisory covering 2 CVEs
 before 2.6.0~bzr6526-1+deb7u1, plus listed versions
2.6.0~bzr6526-1
2.6.0~bzr6526-1+deb7u1
bzr
Debian:8
 before 2.6.0+bzr6595-6+deb8u1, plus listed versions
2.6.0+bzr6595-6
2.6.0+bzr6595-6+deb8u1
bzr
Debian:9
 before 2.7.0+bzr6619-7+deb9u1, plus listed versions
2.7.0+bzr6619-7
2.7.0+bzr6619-7+deb9u1
bzr
PyPI
 through 2.7.0, plus listed versions
2.6.0
 None known
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Affected packages
PackageAffectedFixed
bzr
PyPI
 Not stated
Not evaluated
bzr
SUSE:Linux Enterprise Software Development Kit 11 SP4
 before 1.8-3.5.1
1.8-3.5.1
bzr
Ubuntu:14.04:LTS
 before 2.6.0+bzr6593-1ubuntu1.6, plus listed versions
2.6.0-3ubuntu12.6.0-3ubuntu22.6.0+bzr6591-1ubuntu12.6.0+bzr6593-1ubuntu12.6.0+bzr6593-1ubuntu1.12.6.0+bzr6593-1ubuntu1.5
2.6.0+bzr6593-1ubuntu1.6
bzr
Ubuntu:16.04:LTS
 before 2.7.0-2ubuntu3.1, plus listed versions
2.6.0+bzr6602-2ubuntu42.6.0+bzr6606-2ubuntu12.7.0-2ubuntu12.7.0-2ubuntu22.7.0-2ubuntu3
2.7.0-2ubuntu3.1

Not evaluated means the source gave git commits or a range we can't read, so we can't tell which releases are affected. A fixed version beside it is the source’s own claim.

History

History
RecordedChangedSources
affected, facts
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2017-14176 is a high vulnerability (CVSS 8.8) in Canonical Bazaar, published September 5, 2017. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 6.27%, the 93rd percentile. Fixed in breezy 3.0.0~bzr6772-1.

References

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