OracleVM 3.4 : Unbreakable / etc (OVMSA-2019-0026) (SACK Panic) (SACK Slowness)

high Nessus Plugin ID 126020
New! Plugin Severity Now Using CVSS v3

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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 :

- Add CVE numbers for CVE-2019-11477 CVE-2019-11478 CVE-2019-11479 (Chuck Anderson) [Orabug: 29890820] (CVE-2019-11477) (CVE-2019-11478) (CVE-2019-11479) (CVE-2019-11477) (CVE-2019-11478) (CVE-2019-11479)

- tcp: fix fack_count accounting on tcp_shift_skb_data (Joao Martins) [Orabug: 29890820]

- tcp: enforce tcp_min_snd_mss in tcp_mtu_probing (Eric Dumazet) [Orabug: 29886598]

- tcp: add tcp_min_snd_mss sysctl (Eric Dumazet) [Orabug:
29884306]

- tcp: tcp_fragment should apply sane memory limits (Eric Dumazet) [Orabug: 29884306]

- tcp: limit payload size of sacked skbs (Eric Dumazet) [Orabug: 29884306]

Solution

Update the affected kernel-uek / kernel-uek-firmware packages.

See Also

https://oss.oracle.com/pipermail/oraclevm-errata/2019-June/000945.html

Plugin Details

Severity: High

ID: 126020

File Name: oraclevm_OVMSA-2019-0026.nasl

Version: 1.5

Type: local

Published: 6/19/2019

Updated: 1/10/2020

Dependencies: ssh_get_info.nasl

Risk Information

VPR

Risk Factor: Medium

Score: 5.1

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 5.8

Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C

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

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Temporal Vector: E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:oracle:vm:kernel-uek, p-cpe:/a:oracle:vm:kernel-uek-firmware, cpe:/o:oracle:vm_server:3.4

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

Exploit Ease: No known exploits are available

Patch Publication Date: 6/18/2019

Vulnerability Publication Date: 6/19/2019

Reference Information

CVE: CVE-2019-11477, CVE-2019-11478, CVE-2019-11479