CVE-2007-1189

Summary

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.

Affected Software

Weaknesses

• n/a

ADP Enrichment

CVE Program Container

Additional References

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

References

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

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