CVE-2007-1189

Public Exploit

Description

Integer overflow in the envwrite function in the Alcatel-Lucent Bell Labs Plan 9 kernel allows local users to overwrite certain memory addresses with kernel memory via a large n argument, as demonstrated by (1) modifying the iseve function to gain privileges and (2) making the devpermcheck function grant unrestricted device permissions.

7.2

CVSS

Severity: High

CVSS 2.0 •

EPSS 0.11%

Affected: n/a n/a

References

Link	Tags
http://www.securityfocus.com/bid/22749	vdb entry exploit
https://www.exploit-db.com/exploits/3383	exploit
http://kernelspace.us/itheft.c	exploit
http://osvdb.org/34956	vdb entry
http://lists.immunitysec.com/pipermail/dailydave/2007-February/004118.html	exploit mailing list

Frequently Asked Questions

What is the severity of CVE-2007-1189?: CVE-2007-1189 has been scored as a high severity vulnerability.
How to fix CVE-2007-1189?: To fix CVE-2007-1189, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2007-1189 being actively exploited in the wild?: It is possible that CVE-2007-1189 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.

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