Vulnerability Details : CVE-2012-6034
The (1) tmemc_save_get_next_page and (2) tmemc_save_get_next_inv functions and the (3) TMEMC_SAVE_GET_POOL_UUID sub-operation in the Transcendent Memory (TMEM) in Xen 4.0, 4.1, and 4.2 "do not check incoming guest output buffer pointers," which allows local guest OS users to cause a denial of service (memory corruption and host crash) or execute arbitrary code 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.
Vulnerability category: Memory CorruptionInput validationExecute codeDenial of service
Products affected by CVE-2012-6034
- cpe:2.3:o:xen:xen:4.0.0:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:4.1.0:*:*:*:*:*:*:*
- cpe:2.3:o:xen:xen:4.2.0:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2012-6034
0.07%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 33 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2012-6034
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.4
|
MEDIUM | AV:L/AC:M/Au:N/C:P/I:P/A:P |
3.4
|
6.4
|
NIST |
CWE ids for CVE-2012-6034
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The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.Assigned by: nvd@nist.gov (Primary)
References for CVE-2012-6034
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http://security.gentoo.org/glsa/glsa-201309-24.xml
Xen: Multiple vulnerabilities (GLSA 201309-24) — Gentoo security
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http://www.securityfocus.com/bid/55410
Xen 'TMEM hypercall' Multiple Security Vulnerabilities
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https://exchange.xforce.ibmcloud.com/vulnerabilities/78268
Xen TMEM privilege escalation CVE-2012-6036 Vulnerability Report
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http://www.openwall.com/lists/oss-security/2012/09/05/8
oss-security - Xen Security Advisory 15 (CVE-2012-3497) - multiple TMEM hypercall vulnerabilities
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http://www.securitytracker.com/id?1027482
Xen Transcendent Memory (TMEM) Multiple Flaws Lets Local Users on the Guest Operating System Gain Elevated Privileges on the Host - SecurityTracker
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https://security.gentoo.org/glsa/201604-03
Xen: Multiple vulnerabilities (GLSA 201604-03) — Gentoo security
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http://wiki.xen.org/wiki/Security_Announcements#XSA-15_multiple_TMEM_hypercall_vulnerabilities
Security Announcements (Historical) - Xen
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http://lists.xen.org/archives/html/xen-announce/2012-09/msg00006.html
Xen project Mailing List
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