Vulnerability Name:

CVE-2000-0491 (CCN-4530)

Assigned:2000-05-23
Published:2000-05-23
Updated:2008-09-10
Summary: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.
CVSS v3 Severity:10.0 Critical (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Changed
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
CVSS v2 Severity:10.0 High (CVSS v2 Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
10.0 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:C/I:C/A:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Complete
Integrity (I): Complete
Availibility (A): Complete
Vulnerability Type:CWE-Other
Vulnerability Consequences:Gain Access
References:Source: CALDERA
Type: Patch, Vendor Advisory
CSSA-2000-013.0

Source: CCN
Type: Caldera International, Inc. Security Advisory CSSA-2000-013.0
buffer overflow in kdm

Source: BUGTRAQ
Type: UNKNOWN
20000521 "gdm" remote hole

Source: CCN
Type: BugTraq Mailing List, Sun May 21 2000 - 17:13:09 CDT
"gdm" remote hole

Source: BUGTRAQ
Type: UNKNOWN
20000607 Conectiva Linux Security Announcement - gdm

Source: MITRE
Type: CNA
CVE-2000-0491

Source: CCN
Type: Conectiva Linux Announcement CLSA-2000:224
gdm

Source: SUSE
Type: UNKNOWN
20000524 Security hole in gdm <= 2.0beta4-25

Source: CCN
Type: OSVDB ID: 11754
GDM XDMCP FORWARD_QUERY Request Overflow

Source: CCN
Type: OSVDB ID: 11755
KDE kdm Unspecified Overflow

Source: CCN
Type: OSVDB ID: 11756
XFree86 xdm send_failed() Function Overflow

Source: BID
Type: UNKNOWN
1233

Source: CCN
Type: BID-1233
GNOME gdm XDMCP Buffer Overflow Vulnerability

Source: BID
Type: UNKNOWN
1279

Source: CCN
Type: BID-1279
KDE kdm Buffer Overflow Vulnerability

Source: BID
Type: UNKNOWN
1370

Source: CCN
Type: BID-1370
XFree86 xdm Buffer Overflow Vulnerability

Source: CCN
Type: SuSE Security Announcement #49
gdm <= 2.0beta4-25

Source: XF
Type: UNKNOWN
gnome-gdm-bo(4530)

Vulnerable Configuration:Configuration 1:
  • cpe:/a:gnome:gdm:1.0:*:*:*:*:*:*:*

    • Configuration 2:
  • cpe:/o:caldera:openlinux:*:*:*:*:*:*:*:*
  • OR cpe:/o:suse:suse_linux:6.2:*:*:*:*:*:*:*
  • OR cpe:/o:suse:suse_linux:6.4:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/o:suse:suse_linux:6.2:*:*:*:*:*:*:*
  • OR cpe:/o:caldera:openlinux:2.3:*:*:*:*:*:*:*
  • OR cpe:/o:suse:suse_linux:6.3:*:*:*:*:*:*:*
  • OR cpe:/o:suse:suse_linux:6.4:*:*:*:*:*:*:*
  • OR cpe:/o:caldera:openlinux_edesktop:2.4:*:*:*:*:*:*:*
  • OR cpe:/o:mandrakesoft:mandrake_linux:8.0:*:*:*:*:*:*:*
  • OR cpe:/o:conectiva:linux:4.1:*:*:*:*:*:*:*
  • OR cpe:/o:conectiva:linux:4.2:*:*:*:*:*:*:*
  • OR cpe:/o:conectiva:linux:5.0:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    BACK
    gnome gdm 1.0
    caldera openlinux *
    suse suse linux 6.2
    suse suse linux 6.4
    suse suse linux 6.2
    caldera openlinux 2.3
    suse suse linux 6.3
    suse suse linux 6.4
    caldera openlinux edesktop 2.4
    mandrakesoft mandrake linux 8.0
    conectiva linux 4.1
    conectiva linux 4.2
    conectiva linux 5.0