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Debian DLA-2629-1 : libebml security update

medium Nessus Plugin ID 148762

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Synopsis

The remote Debian host is missing a security update.

Description

A heap overflow issue was detected in libebml, a library to read and write files in the EBML format, a binary pendant to XML. These issues appeared in several ReadData functions of various data type classes.
This update also fixes the issue in EbmlString::ReadData and EbmlUnicodeString::ReadData, which were mentioned in CVE-2021-3405.

For Debian 9 stretch, this problem has been fixed in version 1.3.4-1+deb9u2.

We recommend that you upgrade your libebml packages.

For the detailed security status of libebml please refer to its security tracker page at:
https://security-tracker.debian.org/tracker/libebml

NOTE: Tenable Network Security has extracted the preceding description block directly from the DLA security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Solution

Upgrade the affected libebml-dev, and libebml4v5 packages.

See Also

https://lists.debian.org/debian-lts-announce/2021/04/msg00016.html

https://packages.debian.org/source/stretch/libebml

https://security-tracker.debian.org/tracker/source-package/libebml

Plugin Details

Severity: Medium

ID: 148762

File Name: debian_DLA-2629.nasl

Version: 1.4

Type: local

Agent: unix

Published: 4/19/2021

Updated: 1/12/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.4

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

CVSS Score Source: CVE-2021-3405

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.9

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

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

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:libebml4v5, p-cpe:/a:debian:debian_linux:libebml-dev, cpe:/o:debian:debian_linux:9.0

Required KB Items: Host/local_checks_enabled, Host/Debian/release, Host/Debian/dpkg-l

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 4/18/2021

Vulnerability Publication Date: 2/23/2021

Reference Information

CVE: CVE-2021-3405