Vulnerability Name:

CVE-2012-6032 (CCN-80330)

Assigned:2012-09-05
Published:2012-09-05
Updated:2017-08-29
Summary:Multiple integer overflows in the (1) tmh_copy_from_client and (2) tmh_copy_to_client functions in the Transcendent Memory (TMEM) in Xen 4.0, 4.1, and 4.2 allow local guest OS users to cause a denial of service (memory corruption and host crash) via unspecified vectors.
Note: this issue was originally published as part of CVE-2012-3497, which was too general; CVE-2012-3497 has been SPLIT into this ID and others.
CVSS v3 Severity:6.2 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
CVSS v2 Severity:4.9 Medium (CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C)
4.0 Medium (Temporal CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C/E:U/RL:U/RC:UR)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
4.9 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C)
4.0 Medium (CCN Temporal CVSS v2 Vector: AV:L/AC:L/Au:N/C:N/I:N/A:C/E:U/RL:U/RC:UR)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
Vulnerability Type:CWE-189
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2012-6032

Source: MLIST
Type: Vendor Advisory
[Xen-announce] 20120905 Xen Security Advisory 15 (CVE-2012-3497) - multiple TMEM hypercall vulnerabilities

Source: OSVDB
Type: UNKNOWN
85199

Source: CCN
Type: SA50472
Xen Multiple Denial of Service and Privilege Escalation Vulnerabilities

Source: SECUNIA
Type: Vendor Advisory
50472

Source: SECUNIA
Type: UNKNOWN
55082

Source: GENTOO
Type: UNKNOWN
GLSA-201309-24

Source: CONFIRM
Type: Vendor Advisory
http://wiki.xen.org/wiki/Security_Announcements#XSA-15_multiple_TMEM_hypercall_vulnerabilities

Source: MLIST
Type: UNKNOWN
[oss-security] 20120905 Xen Security Advisory 15 (CVE-2012-3497) - multiple TMEM hypercall vulnerabilities

Source: CCN
Type: OSVDB ID: 85199
Xen Transcendent Memory (TMEM) Hypercall Multiple Sub-operation Validation Weakness Local Privilege Escalation

Source: BID
Type: UNKNOWN
55410

Source: CCN
Type: BID-55410
Xen 'TMEM hypercall' Multiple Security Vulnerabilities

Source: SECTRACK
Type: UNKNOWN
1027482

Source: CCN
Type: XenSource Web site
Xen

Source: XF
Type: UNKNOWN
xen-tmem-priv-esc(78268)

Source: XF
Type: UNKNOWN
xen-tmhcopyfromclient-dos(80330)

Source: GENTOO
Type: UNKNOWN
GLSA-201604-03

Vulnerable Configuration:Configuration 1:
  • cpe:/o:xen:xen:4.0.0:*:*:*:*:*:*:*
  • OR cpe:/o:xen:xen:4.1.0:*:*:*:*:*:*:*
  • OR cpe:/o:xen:xen:4.2.0:*:*:*:*:*:*:*

  • Configuration CCN 1:
  • cpe:/a:xensource:xen:4.0.0:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.precise:def:20126032000
    V
    CVE-2012-6032 on Ubuntu 12.04 LTS (precise) - low.
    2012-11-23
    BACK
    xen xen 4.0.0
    xen xen 4.1.0
    xen xen 4.2.0
    xensource xen 4.0.0