CVE-2007-4993 Command injection in n/a
Local attackers with guest privileges can execute arbitrary commands in the host domain via a crafted grub configuration file.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2007-4993?
CVE-2007-4993 is a medium-severity command injection vulnerability in n/a, published on 27 Sep 2007. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
pygrub (tools/pygrub/src/GrubConf.py) in Xen 3.0.3, when booting a guest domain, allows local users with elevated privileges in the guest domain to execute arbitrary commands in domain 0 via a crafted grub.conf file whose contents are used in exec statements.
Weakness: CWE-20
Which versions are affected by CVE-2007-4993?
It affects 1 product.
Products include Xensource Inc Xen.
How do I fix CVE-2007-4993?
Apply the vendor's patch.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2007-4993 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2007-4993 exists.
Public exploit code: 1 Exploit-DB entry.
Other vulnerabilities in n/a
- CVE-2007-3919 Path traversal in n/a
- CVE-2007-5906 Denial of service in n/a
- CVE-2007-5907 Privilege escalation in n/a
- CVE-2008-1619 The ssm_i emulation in Xen 5.1 on IA64 architectures allows attackers to cause a denial of service (dom0 panic) via certain traffic, as demo
- CVE-2007-6207 Information disclosure in n/a
Sources
Also known as GHSA-43w7-6v4p-jxc3.