Executive Summary
| Informations | |||
|---|---|---|---|
| Name | CVE-2019-19580 | First vendor Publication | 2019-12-11 |
| Vendor | Cve | Last vendor Modification | 2024-11-21 |
Security-Database Scoring CVSS v3
| Cvss vector : CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H | |||
|---|---|---|---|
| Overall CVSS Score | 6.6 | ||
| Base Score | 6.6 | Environmental Score | 6.6 |
| impact SubScore | 5.9 | Temporal Score | 6.6 |
| Exploitabality Sub Score | 0.7 | ||
| Attack Vector | Network | Attack Complexity | High |
| Privileges Required | High | User Interaction | None |
| Scope | Unchanged | Confidentiality Impact | High |
| Integrity Impact | High | Availability Impact | High |
| Calculate full CVSS 3.0 Vectors scores | |||
Security-Database Scoring CVSS v2
| Cvss vector : (AV:N/AC:M/Au:S/C:P/I:P/A:P) | |||
|---|---|---|---|
| Cvss Base Score | 6 | Attack Range | Network |
| Cvss Impact Score | 6.4 | Attack Complexity | Medium |
| Cvss Expoit Score | 6.8 | Authentication | Requires single instance |
| Calculate full CVSS 2.0 Vectors scores | |||
Detail
| An issue was discovered in Xen through 4.12.x allowing x86 PV guest OS users to gain host OS privileges by leveraging race conditions in pagetable promotion and demotion operations, because of an incomplete fix for CVE-2019-18421. XSA-299 addressed several critical issues in restartable PV type change operations. Despite extensive testing and auditing, some corner cases were missed. A malicious PV guest administrator may be able to escalate their privilege to that of the host. All security-supported versions of Xen are vulnerable. Only x86 systems are affected. Arm systems are not affected. Only x86 PV guests can leverage the vulnerability. x86 HVM and PVH guests cannot leverage the vulnerability. Note that these attacks require very precise timing, which may be difficult to exploit in practice. |
Original Source
| Url : http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-19580 |
CWE : Common Weakness Enumeration
| % | Id | Name |
|---|---|---|
| 100 % | CWE-362 | Race Condition |
CPE : Common Platform Enumeration
Sources (Detail)
Alert History
| Date | Informations |
|---|---|
| 2024-11-28 13:30:08 |
|
| 2023-11-07 21:38:19 |
|
| 2021-09-02 01:34:59 |
|
| 2021-05-04 13:33:45 |
|
| 2021-04-22 02:47:28 |
|
| 2021-03-27 01:30:03 |
|
| 2020-05-23 02:28:41 |
|
