SourceTree up to 2.4.7.0 on Windows URI Argument command injection

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.2$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in SourceTree up to 2.4.7.0 on Windows. Affected by this vulnerability is an unknown functionality of the component URI Handler. The manipulation as part of Argument leads to command injection. This vulnerability is referenced as CVE-2017-14593. Remote exploitation of the attack is possible. No exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in SourceTree up to 2.4.7.0 on Windows. This issue affects some unknown processing of the component URI Handler. The manipulation as part of a Argument leads to a command injection vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Sourcetree for Windows had several argument and command injection bugs in Mercurial and Git repository handling. An attacker with permission to commit to a repository linked in Sourcetree for Windows is able to exploit this issue to gain code execution on the system. From version 0.8.4b of Sourcetree for Windows, this vulnerability can be triggered from a webpage through the use of the Sourcetree URI handler. Versions of Sourcetree for Windows starting with 0.5.1.0 before version 2.4.7.0 are affected by this vulnerability

The bug was discovered 01/19/2018. The weakness was published 01/26/2018 (Website). It is possible to read the advisory at confluence.atlassian.com. The identification of this vulnerability is CVE-2017-14593 since 09/19/2017. The exploitation is known to be easy. The attack may be initiated remotely. Required for exploitation is a simple 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 was handled as a non-public zero-day exploit for at least 5 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 106870 (Atlassian SourceTree 0.5.1.0 < 2.4.7.0 Multiple Vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Windows and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 370783 (Sourcetree for Windows Multiple Argument and Command Injection Vulnerabilities).

Upgrading 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 (106870) and SecurityFocus (BID 102926†). Similar entries are available at VDB-110335, VDB-110972 and VDB-112474. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.4

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
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: 106870
Nessus Name: Atlassian SourceTree 0.5.1.0 < 2.4.7.0 Multiple Vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

09/19/2017 🔍
01/19/2018 +122 days 🔍
01/24/2018 +5 days 🔍
01/24/2018 +0 days 🔍
01/25/2018 +1 days 🔍
01/26/2018 +1 days 🔍
01/26/2018 +0 days 🔍
02/16/2018 +21 days 🔍
02/01/2021 +1081 days 🔍

Sourcesinfo

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

CVE: CVE-2017-14593 (🔍)
GCVE (CVE): GCVE-0-2017-14593
GCVE (VulDB): GCVE-100-112475
SecurityFocus: 102926 - Atlassian SourceTree Multiple Command Injection and Command Execution Vulnerabilities

See also: 🔍

Entryinfo

Created: 01/26/2018 10:32
Updated: 02/01/2021 17:18
Changes: 01/26/2018 10:32 (69), 12/28/2019 07:35 (6), 02/01/2021 17:18 (2)
Complete: 🔍
Cache ID: 216:431:103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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