Detections
Analytics

AlmaLinux 8 : virt:rhel (ALSA-2020:1358)

medium Nessus Plugin ID 157617

Synopsis

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

Description

The remote AlmaLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2020:1358 advisory.

 - An out-of-bounds heap buffer access flaw was found in the way the iSCSI Block driver in QEMU versions 2.12.0 before 4.2.1 handled a response coming from an iSCSI server while checking the status of a Logical Address Block (LBA) in an iscsi_co_block_status() routine. A remote user could use this flaw to crash the QEMU process, resulting in a denial of service or potential execution of arbitrary code with privileges of the QEMU process on the host. (CVE-2020-1711)

 - tcp_emu in tcp_subr.c in libslirp 4.1.0, as used in QEMU 4.2.0, mismanages memory, as demonstrated by IRC DCC commands in EMU_IRC. This can cause a heap-based buffer overflow or other out-of-bounds access which can lead to a DoS or potential execute arbitrary code. (CVE-2020-7039)

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

Solution

Update the affected packages.

See Also

https://errata.almalinux.org/8/ALSA-2020-1358.html

Plugin Details

Severity: Medium

ID: 157617

File Name: alma_linux_ALSA-2020-1358.nasl

Version: 1.4

Type: local

Published: 2/9/2022

Updated: 5/6/2022

Supported Sensors: Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.0

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

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

CVSS Score Source: CVE-2020-7039

CVSS v3

Risk Factor: Medium

Base Score: 6

Temporal Score: 5.2

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

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

CVSS Score Source: CVE-2020-1711

Vulnerability Information

CPE: p-cpe:/a:alma:linux:netcf-devel, p-cpe:/a:alma:linux:sgabios, cpe:/o:alma:linux:8, p-cpe:/a:alma:linux:libiscsi-utils, p-cpe:/a:alma:linux:libiscsi-devel, p-cpe:/a:alma:linux:netcf, p-cpe:/a:alma:linux:libiscsi, p-cpe:/a:alma:linux:netcf-libs

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

Exploit Ease: No known exploits are available

Patch Publication Date: 4/7/2020

Vulnerability Publication Date: 1/16/2020

Reference Information

CVE: CVE-2020-1711, CVE-2020-7039