CVE-ID

CVE-2000-0491

• Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings
Description
Buffer overflow in the XDMCP parsing code of GNOME gdm, KDE kdm, and wdm allows remote attackers to execute arbitrary commands or cause a denial of service via a long FORWARD_QUERY request.
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
20000711 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 (20000712)
Votes (Legacy)
MODIFY(2) Frech, Levy
NOOP(2) LeBlanc, Wall
REVIEWING(2) Christey, Ozancin
Comments (Legacy)
 Levy> The BID 1233 vulns is different from the other ones. BID 1233 uses
   a FORWARD_QUERY request to overflow an in_addr structure via a memmove
   in daemon/xdmcp.c, gdm_xdmcp_handle_forward_query(). In BID 1370
   a buffer is overflowed by a sprintf in xdmcp.c, send_failed().
 Frech> XF:gnome-gdm-bo(4530)
 Christey> MANDRAKE:MDKSA-2001:070
   URL:http://www.linux-mandrake.com/en/security/2001/MDKSA-2001-070.php3
 Christey> BUGTRAQ:20000527 gdm exploit
   URL:http://marc.theaimsgroup.com/?l=bugtraq&m=96017189021021&w=2
   
   Consider REDHAT:RHSA-2000:027
 Christey> RHSA-2000:027 confirmed via Mark Cox

Proposed (Legacy)
20000712
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