CVE-2007-3149 Privilege escalation in n/a
Local users can gain privileges via KRB5 environment variables when sudo is linked with MIT Kerberos 5.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2007-3149?
CVE-2007-3149 is a high-severity vulnerability in Mit Kerberos 5, published on 11 Jun 2007. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
sudo, when linked with MIT Kerberos 5 (krb5), does not properly check whether a user can currently authenticate to Kerberos, which allows local users to gain privileges, in a manner unintended by the sudo security model, via certain KRB5_ environment variable settings. NOTE: another researcher disputes this vulnerability, stating that the attacker must be "a user, who can already log into your system, and can already use sudo."
Which versions are affected by CVE-2007-3149?
It affects 2 products.
Products include Mit Kerberos 5, Todd Miller Sudo.
How do I fix CVE-2007-3149?
No fix has been published for CVE-2007-3149 yet. Limit exposure of the affected software until one is available.
Is CVE-2007-3149 being exploited?
There is no known exploitation of CVE-2007-3149 in the wild and no public exploit code.
Other vulnerabilities in Mit Kerberos 5
Sources
Also known as GHSA-76wc-mqwv-wjv2.