Atlassian Bamboo prior 2.7.0 Branch Name command injection

CVSS Meta Temp Score
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CTI Interest Score
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7.5$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in Atlassian Bamboo. The affected element is an unknown function of the component Branch Name Handler. Performing a manipulation results in command injection. This vulnerability is known as CVE-2017-14590. Remote exploitation of the attack is possible. No exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical has been found in Atlassian Bamboo. This affects some unknown processing of the component Branch Name Handler. The manipulation with an unknown input leads to a command injection vulnerability. CWE is classifying the issue as CWE-77. The product constructs all or part of a command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended command when it is sent to a downstream component. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

Bamboo did not check that the name of a branch in a Mercurial repository contained argument parameters. An attacker who has permission to create a repository in Bamboo, edit an existing plan that has a non-linked Mercurialrepository, create or edit a plan when there is at least one linked Mercurial repository that the attacker has permission to use, or commit to a Mercurial repository used by a Bamboo plan which has branch detection enabled can execute code of their choice on systems that run a vulnerable version of Bamboo Server. Versions of Bamboo starting with 2.7.0 before 6.1.6 (the fixed version for 6.1.x) and from 6.2.0 before 6.2.5 (the fixed version for 6.2.x) are affected by this vulnerability.

The bug was discovered 12/13/2017. The weakness was published 12/13/2017 (Website). It is possible to read the advisory at confluence.atlassian.com. This vulnerability is uniquely identified as CVE-2017-14590 since 09/19/2017. The exploitability is told to be easy. It is possible to initiate the attack remotely. Required for exploitation is a authentication. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1202 according to MITRE ATT&CK.

The vulnerability scanner Nessus provides a plugin with the ID 105371 (Atlassian Bamboo 6.1.x < 6.1.6 / 6.2.x < 6.2.5 Incorrect Permission Check RCE), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CGI abuses and running in the context r.

Upgrading to version 2.7.0 eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (105371) and SecurityFocus (BID 102193†). Similar entry is available at VDB-110654. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.8
VulDB Meta Temp Score: 7.7

VulDB Base Score: 6.6
VulDB Temp Score: 6.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.1
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Command injection
CWE: CWE-77 / CWE-74 / CWE-707
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 105371
Nessus Name: Atlassian Bamboo 6.1.x < 6.1.6 / 6.2.x < 6.2.5 Incorrect Permission Check RCE
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 867655
OpenVAS Name: Atlassian Bamboo Multiple Vulnerabilities
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Bamboo 2.7.0

Timelineinfo

06/14/2017 🔍
09/19/2017 +97 days 🔍
12/12/2017 +84 days 🔍
12/13/2017 +1 days 🔍
12/13/2017 +0 days 🔍
12/13/2017 +0 days 🔍
12/14/2017 +1 days 🔍
12/19/2017 +5 days 🔍
01/27/2021 +1135 days 🔍

Sourcesinfo

Vendor: atlassian.com

Advisory: confluence.atlassian.com
Researcher: Zhang Tianqi @ Tophant.
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-14590 (🔍)
GCVE (CVE): GCVE-0-2017-14590
GCVE (VulDB): GCVE-100-110655
SecurityFocus: 102193 - Atlassian Bamboo CVE-2017-14590 Remote Code Execution Vulnerability

See also: 🔍

Entryinfo

Created: 12/14/2017 07:52
Updated: 01/27/2021 10:44
Changes: 12/14/2017 07:52 (70), 12/15/2019 08:07 (5), 01/27/2021 10:44 (2)
Complete: 🔍
Cache ID: 216:719:103

Be aware that VulDB is the high quality source for vulnerability data.

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