Oracle Linux 7 : kernel (ELSA-2017-2930)

high Nessus Plugin ID 104001

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-2017-2930 advisory.

- [net] tcp: initialize rcv_mss to TCP_MIN_MSS instead of 0 (Davide Caratti) [1488341 1487061] {CVE-2017-14106}
- [net] tcp: fix 0 divide in __tcp_select_window() (Davide Caratti) [1488341 1487061] {CVE-2017-14106}
- [net] sctp: Avoid out-of-bounds reads from address storage (Stefano Brivio) [1484356 1484355] {CVE-2017-7558}
- [net] udp: consistently apply ufo or fragmentation (Davide Caratti) [1481530 1481535] {CVE-2017-1000112}
- [net] udp: account for current skb length when deciding about UFO (Davide Caratti) [1481530 1481535] {CVE-2017-1000112}
- [net] ipv4: Should use consistent conditional judgement for ip fragment in __ip_append_data and ip_finish_output (Davide Caratti) [1481530 1481535] {CVE-2017-1000112}
- [net] ipv6: accept 64k - 1 packet length in ip6_find_1stfragopt() (Stefano Brivio) [1477007 1477010] {CVE-2017-7542}
- [net] ipv6: avoid overflow of offset in ip6_find_1stfragopt (Sabrina Dubroca) [1477007 1477010] {CVE-2017-7542}
- [net] xfrm_user: validate XFRM_MSG_NEWAE incoming ESN size harder (Hannes Frederic Sowa) [1435672 1435670] {CVE-2017-7184}
- [net] xfrm_user: validate XFRM_MSG_NEWAE XFRMA_REPLAY_ESN_VAL replay_window (Hannes Frederic Sowa) [1435672 1435670] {CVE-2017-7184}
- [net] l2cap: prevent stack overflow on incoming bluetooth packet (Neil Horman) [1489788 1489789] {CVE-2017-1000251}
- [net] packet: fix tp_reserve race in packet_set_ring (Stefano Brivio) [1481938 1481940] {CVE-2017-1000111}
- [net] ping: check minimum size on ICMP header length (Matteo Croce) [1481578 1481573] {CVE-2016-8399}
- [ipc] mqueue: fix a use-after-free in sys_mq_notify() (Davide Caratti) [1476128 1476126] {CVE-2017-11176}
- [netdrv] brcmfmac: fix possible buffer overflow in brcmf_cfg80211_mgmt_tx() (Stanislaw Gruszka) [1474778 1474784] {CVE-2017-7541}

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-2017-2930.html

Plugin Details

Severity: High

ID: 104001

File Name: oraclelinux_ELSA-2017-2930.nasl

Version: 3.16

Type: local

Agent: unix

Published: 10/20/2017

Updated: 10/22/2024

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

Risk Information

VPR

Risk Factor: Critical

Score: 9.7

CVSS v2

Risk Factor: High

Base Score: 7.6

Temporal Score: 6.6

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

CVSS Score Source: CVE-2016-8399

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 7.5

Vector: CVSS:3.0/AV:L/AC:L/PR:L/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-2017-7541

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: 10/19/2017

Vulnerability Publication Date: 12/5/2016

Exploitable With

Core Impact

Metasploit (Linux Kernel UDP Fragmentation Offset (UFO) Privilege Escalation)

Reference Information

CVE: CVE-2016-8399, CVE-2017-1000111, CVE-2017-1000112, CVE-2017-11176, CVE-2017-14106, CVE-2017-7184, CVE-2017-7541, CVE-2017-7542, CVE-2017-7558

RHSA: 2017:2930