OracleVM 3.1 : xen (OVMSA-2013-0087)

medium Nessus Plugin ID 79524
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Synopsis

The remote OracleVM host is missing one or more security updates.

Description

The remote OracleVM system is missing necessary patches to address critical security updates :

- x86/HVM: only allow ring 0 guest code to make hypercalls Anything else would allow for privilege escalation. This is CVE-2013-4554 / XSA-76. (CVE-2013-4554)

- x86: restrict XEN_DOMCTL_getmemlist Coverity ID 1055652 (See the code comment.) This is CVE-2013-4553 / XSA-74.
(CVE-2013-4553)

- gnttab: correct locking order reversal Coverity ID 1087189 Correct a lock order reversal between a domains page allocation and grant table locks. This is CVE-2013-4494 / XSA-73.

Consolidate error handling.

Backported to Xen-4.1 (CVE-2013-4494)

Solution

Update the affected xen / xen-devel / xen-tools packages.

See Also

http://www.nessus.org/u?b92b49e7

Plugin Details

Severity: Medium

ID: 79524

File Name: oraclevm_OVMSA-2013-0087.nasl

Version: 1.4

Type: local

Published: 11/26/2014

Updated: 1/4/2021

Dependencies: ssh_get_info.nasl

Risk Information

VPR

Risk Factor: Medium

Score: 5.9

CVSS v2

Risk Factor: Medium

Base Score: 5.2

Temporal Score: 4.5

Vector: AV:A/AC:M/Au:S/C:N/I:N/A:C

Temporal Vector: E:ND/RL:OF/RC:C

Vulnerability Information

CPE: p-cpe:/a:oracle:vm:xen, p-cpe:/a:oracle:vm:xen-devel, p-cpe:/a:oracle:vm:xen-tools, cpe:/o:oracle:vm_server:3.1

Required KB Items: Host/local_checks_enabled, Host/OracleVM/release, Host/OracleVM/rpm-list

Exploit Ease: No known exploits are available

Patch Publication Date: 12/6/2013

Vulnerability Publication Date: 11/2/2013

Reference Information

CVE: CVE-2013-4494, CVE-2013-4553, CVE-2013-4554

BID: 63494, 63931, 63933