CVE-2007-1189
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…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.77%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a 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.
- CVSS 2.0
- 7.2 HIGHAV:L/AC:L/Au:N/C:C/I:C/A:C
- EPSS
- 0.77% probability · 53th percentile
- CISA KEV
- Not listed
- Affected
- bell labs/plan 9
- Source
- cve@mitre.org
References
- http://kernelspace.us/itheft.cExploit
- http://lists.immunitysec.com/pipermail/dailydave/2007-February/004118.htmlExploit
- http://osvdb.org/34956
- http://www.securityfocus.com/bid/22749Exploit
- https://www.exploit-db.com/exploits/3383
- http://kernelspace.us/itheft.cExploit
- http://lists.immunitysec.com/pipermail/dailydave/2007-February/004118.htmlExploit
- http://osvdb.org/34956
- http://www.securityfocus.com/bid/22749Exploit
- https://www.exploit-db.com/exploits/3383
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.