Detections
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Oracle Linux 7 : kernel (ELSA-2016-1847)

high Nessus Plugin ID 93501

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Synopsis

The remote Oracle Linux host is missing one or more security updates.

Description

The remote Oracle Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2016-1847 advisory.

 - [net] tcp: enable per-socket rate limiting of all 'challenge acks' (Florian Westphal) [1355603 1355605] {CVE-2016-5696}
 - [net] tcp: uninline tcp_oow_rate_limited() (Florian Westphal) [1355603 1355605] {CVE-2016-5696}
 - [net] tcp: make challenge acks less predictable (Florian Westphal) [1355603 1355605] {CVE-2016-5696}
 - [net] netfilter: x_tables: speed up jump target validation (Florian Westphal) [1364809 1318693] {CVE-2016-3134}
 - [net] netfilter: x_tables: don't reject valid target size on some architectures (Florian Westphal) [1364809 1318693] {CVE-2016-3134}
 - [net] netfilter: x_tables: enforce nul-terminated table name from getsockopt GET_ENTRIES (Florian Westphal) [1364809 1318693] {CVE-2016-3134}
 - [net] netfilter: x_tables: make sure e->next_offset covers remaining blob size (Florian Westphal) [1364809 1318693] {CVE-2016-3134}
 - [net] netfilter: x_tables: introduce and use xt_copy_counters_from_user (Florian Westphal) [1364809 1318693] {CVE-2016-3134}
 - [net] netfilter: x_tables: do compat validation via translate_table (Florian Westphal) [1364809 1318693] {CVE-2016-3134}
 - [net] netfilter: x_tables: xt_compat_match_from_user doesn't need a retval (Florian Westphal) [1364809 1318693] {CVE-2016-3134}
 - [net] netfilter: arp_tables: simplify translate_compat_table args (Florian Westphal) [1364809 1318693] {CVE-2016-3134}
 - [net] netfilter: ip6_tables: simplify translate_compat_table args (Florian Westphal) [1364809 1318693] {CVE-2016-3134}
 - [net] netfilter: ip_tables: simplify translate_compat_table args (Florian Westphal) [1364809 1318693] {CVE-2016-3134}
 - [net] netfilter: remove unused comefrom hookmask argument (Florian Westphal) [1364809 1318693] {CVE-2016-3134}
 - [net] netfilter: x_tables: validate all offsets and sizes in a rule (Florian Westphal) [1364809 1318693] {CVE-2016-3134}
 - [net] netfilter: x_tables: check for bogus target offset (Florian Westphal) [1364809 1318693] {CVE-2016-3134}
 - [net] netfilter: x_tables: check standard target size too (Florian Westphal) [1364809 1318693] {CVE-2016-3134}
 - [net] netfilter: x_tables: add compat version of xt_check_entry_offsets (Florian Westphal) [1364809 1318693] {CVE-2016-3134}
 - [net] netfilter: x_tables: assert minimum target size (Florian Westphal) [1364809 1318693] {CVE-2016-3134}
 - [net] netfilter: x_tables: kill check_entry helper (Florian Westphal) [1364809 1318693] {CVE-2016-3134}
 - [net] netfilter: x_tables: add and use xt_check_entry_offsets (Florian Westphal) [1364809 1318693] {CVE-2016-3134}
 - [net] netfilter: x_tables: validate targets of jumps (Florian Westphal) [1364809 1318693] {CVE-2016-3134}
 - [net] netfilter: x_tables: don't move to non-existent next rule (Florian Westphal) [1364809 1318693] {CVE-2016-3134}
 - [net] netfilter: x_tables: fix unconditional helper (Florian Westphal) [1364809 1318693] {CVE-2016-3134}
 - [net] netfilter: x_tables: validate e->target_offset early (Florian Westphal) [1364809 1318693] {CVE-2016-3134}
 - [net] netfilter: x_tables: check for size overflow (Florian Westphal) [1364809 1318693] {CVE-2016-3134}

Tenable has extracted the preceding description block directly from the Oracle Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Update the affected packages.

See Also

https://linux.oracle.com/errata/ELSA-2016-1847.html

Plugin Details

Severity: High

ID: 93501

File Name: oraclelinux_ELSA-2016-1847.nasl

Version: 2.19

Type: local

Agent: unix

Published: 9/15/2016

Updated: 10/22/2024

Supported Sensors: Continuous Assessment, Frictionless Assessment Agent, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: High

Score: 8.9

CVSS v2

Risk Factor: High

Base Score: 7.2

Temporal Score: 6.3

Vector: CVSS2#AV:L/AC:L/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2016-4997

CVSS v3

Risk Factor: High

Base Score: 8.4

Temporal Score: 8

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

Temporal Vector: CVSS:3.0/E:H/RL:O/RC:C

CVSS Score Source: CVE-2016-3134

Vulnerability Information

CPE: p-cpe:/a:oracle:linux:kernel-abi-whitelists, p-cpe:/a:oracle:linux:kernel-tools-libs-devel, p-cpe:/a:oracle:linux:kernel-devel, p-cpe:/a:oracle:linux:kernel-tools-libs, p-cpe:/a:oracle:linux:perf, cpe:/o:oracle:linux:7, p-cpe:/a:oracle:linux:kernel-tools, p-cpe:/a:oracle:linux:python-perf, p-cpe:/a:oracle:linux:kernel-debug-devel, p-cpe:/a:oracle:linux:kernel-debug, p-cpe:/a:oracle:linux:kernel-headers, p-cpe:/a:oracle:linux:kernel

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 9/14/2016

Vulnerability Publication Date: 3/10/2016

Reference Information

CVE: CVE-2016-3134, CVE-2016-4997, CVE-2016-4998

RHSA: 2016:1847