Fedora 32 : libebml (2021-9a0fff8455)

medium Nessus Plugin ID 147515
New! Plugin Severity Now Using CVSS v3

The calculated severity for Plugins has been updated to use CVSS v3 by default. Plugins that do not have a CVSS v3 score will fall back to CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

Synopsis

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

Description

The remote Fedora 32 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2021-9a0fff8455 advisory.

- A flaw was found in libebml before 1.4.2. A heap overflow bug exists in the implementation of EbmlString::ReadData and EbmlUnicodeString::ReadData in libebml. (CVE-2021-3405)

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 libebml package.

See Also

https://bodhi.fedoraproject.org/updates/FEDORA-2021-9a0fff8455

Plugin Details

Severity: Medium

ID: 147515

File Name: fedora_2021-9a0fff8455.nasl

Version: 1.3

Type: local

Agent: unix

Published: 3/10/2021

Updated: 4/12/2021

Dependencies: ssh_get_info.nasl

Risk Information

CVSS Score Source: CVE-2021-3405

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.2

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

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

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.7

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

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

Vulnerability Information

CPE: cpe:/o:fedoraproject:fedora:32, p-cpe:/a:fedoraproject:fedora:libebml

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

Exploit Ease: No known exploits are available

Patch Publication Date: 3/1/2021

Vulnerability Publication Date: 2/23/2021

Reference Information

CVE: CVE-2021-3405