CVE-1999-1261: Buffer Overflow
Buffer overflow in Rainbow Six Multiplayer allows remote attackers to cause a denial of service, and possibly execute arbitrary commands, via a long nickname (nick) command.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Remove
Remove
Metamailfrom your environment.Uninstall Metamail if it is not required. If Metamail must remain, isolate or remove any network-exposed components until a fix is available.
- Configuration
Disable the game's multiplayer/networking option to prevent remote nickname (nick) commands from being processed until an official fix is available.
Rainbow Six Multiplayer multiplayer/networking = disabled - Compensating control
Block or restrict network access to the game's multiplayer service from untrusted networks using firewall rules or ACLs, and isolate hosts running the game from public networks until a patch is provided.
- Operational
Because the issue can allow execution of arbitrary commands, assume possible compromise: isolate affected hosts, perform forensic investigation, restore from known-good backups where appropriate, and rotate any credentials that may have been exposed.
Event History
Frequently Asked Questions
What is the severity of CVE-1999-1261?
CVE-1999-1261 has a high severity rating due to its potential to cause denial of service and execute arbitrary commands.
How do I fix CVE-1999-1261?
To fix CVE-1999-1261, upgrade to the latest version of the affected software that addresses this buffer overflow vulnerability.
What type of vulnerability is CVE-1999-1261?
CVE-1999-1261 is a buffer overflow vulnerability that allows remote attackers to exploit the application via long nickname commands.
What software is affected by CVE-1999-1261?
CVE-1999-1261 affects versions of Metamail up to and including 7.2.
Can CVE-1999-1261 be exploited remotely?
Yes, CVE-1999-1261 can be exploited remotely by sending specially crafted commands to the affected application.