CVE-2017-8768 : Security Advisory and Response
Learn about CVE-2017-8768 affecting Atlassian SourceTree versions prior to v2.5c, allowing command injection through specially crafted URLs. Take immediate steps to update and secure your system.
Atlassian SourceTree prior to v2.5c is vulnerable to command injection in the sourcetree:// scheme handling, allowing the execution of arbitrary OS commands. This vulnerability is identified as SRCTREE-4632.
Understanding CVE-2017-8768
This CVE involves a security flaw in Atlassian SourceTree that enables the execution of unauthorized commands through specially crafted URLs.
What is CVE-2017-8768?
The vulnerability in Atlassian SourceTree versions prior to v2.5c allows attackers to run arbitrary OS commands by manipulating specific URL substrings.
The Impact of CVE-2017-8768
Exploiting this vulnerability can lead to unauthorized command execution on the affected system, potentially compromising its security and integrity.
Technical Details of CVE-2017-8768
Atlassian SourceTree v2.5c and earlier versions are susceptible to command injection through the sourcetree:// scheme handling.
Vulnerability Description
The flaw permits the execution of arbitrary OS commands by inserting specific URL substrings in the sourcetree:// scheme.
Affected Systems and Versions
- Atlassian SourceTree versions prior to v2.5c
Exploitation Mechanism
Attackers can exploit the vulnerability by including URL substrings of sourcetree://cloneRepo/ext:: or sourcetree://checkoutRef/ext:: followed by the desired command.
Mitigation and Prevention
It is crucial to take immediate action to mitigate the risks associated with CVE-2017-8768.
Immediate Steps to Take
- Update Atlassian SourceTree to version 2.5c or newer to eliminate the vulnerability.
- Avoid clicking on suspicious or untrusted URLs that may trigger the exploit.
Long-Term Security Practices
- Regularly monitor security advisories and updates from Atlassian to stay informed about potential vulnerabilities.
- Implement URL filtering mechanisms to block malicious URLs that could trigger command injections.
Patching and Updates
- Apply patches and updates provided by Atlassian promptly to address security vulnerabilities and enhance system protection.