CVE-2021-3405

Published: Feb 23, 2021Modified: Nov 21, 2024

6.5

Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Exploitability: 2.8 / Impact: 3.6

Source: NVD

Description

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.

Affected (5)

Products: Matroska: Libebml · Fedoraproject: Fedora · Debian: Debian Linux

1 product

1 product

1 product

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Matroska Libebml	Before 1.4.2

Configuration B

3 vulnerable

Vulnerable Software	Affected Versions
Fedoraproject Fedora	Version 32
Fedoraproject Fedora	Version 33
Fedoraproject Fedora	Version 34

Configuration C

1 vulnerable

Vulnerable Software	Affected Versions
Debian Debian Linux	Version 9.0

Related CWEs

CWE-787

Out-of-bounds Write

The product writes data past the end, or before the beginning, of the intended buffer.

References (12)

https://github.com/Matroska-Org/libebml/issues/74

Source: secalert@redhat.com

ExploitIssue TrackingThird Party Advisory

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

Source: secalert@redhat.com

Third Party Advisory

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JNHQI6MDOECJ2HT5GCLEX2DMJFEOWPW7/

Source: secalert@redhat.com

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UHIIMWZKHHELFF4NRDMOOCS3HKK3K4DF/

Source: secalert@redhat.com

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YY7R2JZRO5I6WS62KTJFTZGKYELVFTVB/

Source: secalert@redhat.com

https://security.gentoo.org/glsa/202208-21

Source: secalert@redhat.com

Third Party Advisory

https://github.com/Matroska-Org/libebml/issues/74