Vulnerability Name:

CVE-2006-4655 (CCN-28820)

Assigned:2006-09-07
Published:2006-09-07
Updated:2018-10-17
Summary:Buffer overflow in the Strcmp function in the XKEYBOARD extension in X Window System X11R6.4 and earlier, as used in SCO UnixWare 7.1.3 and Sun Solaris 8 through 10, allows local users to gain privileges via a long _XKB_CHARSET environment variable value.
CVSS v3 Severity:9.3 Critical (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H)
Exploitability Metrics:Attack Vector (AV): Local
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:4.6 Medium (CVSS v2 Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P)
3.8 Low (Temporal CVSS v2 Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P/E:F/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
7.2 High (CCN CVSS v2 Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C)
5.9 Medium (CCN Temporal CVSS v2 Vector: AV:L/AC:L/Au:N/C:C/I:C/A:C/E:F/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Local
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 Privileges
References:Source: MITRE
Type: CNA
CVE-2006-4655

Source: CCN
Type: SA21815
Sun Solaris libX11 Buffer Overflow Vulnerability

Source: SECUNIA
Type: UNKNOWN
21815

Source: CCN
Type: SA21845
X11 "_XKB_CHARSET" Buffer Overflow Vulnerability

Source: SECUNIA
Type: UNKNOWN
21845

Source: CCN
Type: SA21856
Unixware libX11 Buffer Overflow Vulnerability

Source: SECUNIA
Type: UNKNOWN
21856

Source: CCN
Type: SA21993
Avaya CMS Sun Solaris libX11 Buffer Overflow

Source: SECUNIA
Type: UNKNOWN
21993

Source: SREASON
Type: UNKNOWN
1545

Source: CCN
Type: SECTRACK ID: 1016806
X11R6 XKEYBOARD Extension Buffer Overflow Lets Local Users Gain Elevated Privileges

Source: SECTRACK
Type: UNKNOWN
1016806

Source: CCN
Type: Sun Alert ID: 102570
Buffer Overflow Vulnerability in libX11

Source: SUNALERT
Type: UNKNOWN
102570

Source: CONFIRM
Type: UNKNOWN
http://support.avaya.com/elmodocs2/security/ASA-2006-195.htm

Source: CCN
Type: ASA-2006-195
Sun Alert Notifications from Sun Weekly Report dated September 09 2006

Source: CCN
Type: OSVDB ID: 28622
X.Org X Window System (X11) libX11 XKEYBOARD Extension Local Overflow

Source: CCN
Type: RISE-2006001
X11R6 XKEYBOARD extension Strcmp() buffer overflow vulnerability

Source: MISC
Type: Vendor Advisory
http://www.risesecurity.org/advisory/RISE-2006001.txt

Source: BUGTRAQ
Type: UNKNOWN
20060908 [RISE-2006001] X11R6 XKEYBOARD extension Strcmp() buffer overflow

Source: BID
Type: UNKNOWN
19905

Source: CCN
Type: BID-19905
X.Org X Window Server LibX11 XKEYBOARD Extension Local Buffer Overflow Vulnerability

Source: VUPEN
Type: UNKNOWN
ADV-2006-3525

Source: VUPEN
Type: UNKNOWN
ADV-2006-3529

Source: CCN
Type: X.Org Foundation Web site
X.Org Foundation

Source: XF
Type: UNKNOWN
xorg-libx11-xkeyboard-bo(28820)

Source: XF
Type: UNKNOWN
xorg-libx11-xkeyboard-bo(28820)

Source: OVAL
Type: UNKNOWN
oval:org.mitre.oval:def:1798

Vulnerable Configuration:Configuration 1:
  • cpe:/o:sco:unixware:7.1.3:*:*:*:*:*:*:*
  • OR cpe:/o:sun:solaris:8.0:*:sparc:*:*:*:*:*
  • OR cpe:/o:sun:solaris:8.0:*:x86:*:*:*:*:*
  • OR cpe:/o:sun:solaris:9.0:*:sparc:*:*:*:*:*
  • OR cpe:/o:sun:solaris:9.0:*:x86:*:*:*:*:*
  • OR cpe:/o:sun:solaris:10.0:*:sparc:*:*:*:*:*
  • OR cpe:/o:sun:solaris:10.0:*:x86:*:*:*:*:*

  • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.mitre.oval:def:1798
    V
    Buffer Overflow Vulnerability in libX11
    2007-09-27
    BACK
    sco unixware 7.1.3
    sun solaris 8.0
    sun solaris 8.0
    sun solaris 9.0
    sun solaris 9.0
    sun solaris 10.0
    sun solaris 10.0