CVE-ID

CVE-2002-0820

• Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings
Description
FreeBSD kernel 4.6 and earlier closes the file descriptors 0, 1, and 2 after they have already been assigned to /dev/null when the descriptors reference procfs or linprocfs, which could allow local users to reuse the file descriptors in a setuid or setgid program to modify critical data and gain privileges.
References
Note: References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
Date Entry Created
20020801 Disclaimer: The entry creation date may reflect when the CVE-ID was allocated or reserved, and does not necessarily indicate when this vulnerability was discovered, shared with the affected vendor, publicly disclosed, or updated in CVE.
Phase (Legacy)
Proposed (20020830)
Votes (Legacy)
ACCEPT(2) Baker, Cole
NOOP(4) Christey, Cox, Foat, Wall
Comments (Legacy)
 Christey> MISC:http://www.guninski.com/freebsd2.html
 Christey> Other OSes besides FreeBSD are affected.
   
   HP:SSRT0845U
   URL:http://marc.theaimsgroup.com/?l=bugtraq&m=104800750626108&w=2
   
   CERT-VN:VU#809347
   Need to more closely examine the relationship between
   CVE-2002-0820 and CVE-2002-0572, especially with respect to
   references.

Proposed (Legacy)
20020830
This is an entry on the CVE list, which standardizes names for security problems.