source: https://www.securityfocus.com/bid/25825/info
Xen is prone to a local command-injection vulnerability that can lead to privilege escalation.
This issue occurs because the application fails to validate input in the 'tools/pygrub/src/GrubConf.py' script.
This vulnerability affects Xen 3.0.3; other versions may be affected as well.
An attacker can exploit this issue by including Python commands in a configuration file using filesystem utilities. The following proof of concept is available:
Change the 'default' statement in grub.conf to:
default "+str(0*os.system(" insert evil command here "))+"Data
Build on a solid foundation with Vulners data
We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data
Api
Power your application with Vulners API
The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access
App
Assess and manage vulnerabilities with Vulners tools
Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation