CVE-2021-3405

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2021-3405
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.

6.5 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

4.3 /10

CVSS v2.0 : MEDIUM

V2 Legend

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

Exploitability : 8.6 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References
Link Resource
https://github.com/Matroska-Org/libebml/issues/74 Exploit Issue Tracking Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/04/msg00016.html Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JNHQI6MDOECJ2HT5GCLEX2DMJFEOWPW7/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UHIIMWZKHHELFF4NRDMOOCS3HKK3K4DF/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YY7R2JZRO5I6WS62KTJFTZGKYELVFTVB/
https://security.gentoo.org/glsa/202208-21 Third Party Advisory
https://github.com/Matroska-Org/libebml/issues/74 Exploit Issue Tracking Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/04/msg00016.html Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JNHQI6MDOECJ2HT5GCLEX2DMJFEOWPW7/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UHIIMWZKHHELFF4NRDMOOCS3HKK3K4DF/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YY7R2JZRO5I6WS62KTJFTZGKYELVFTVB/
https://security.gentoo.org/glsa/202208-21 Third Party Advisory
Configurations

Configuration 1 (hide)

cpe:2.3:a:matroska:libebml:*:*:*:*:*:*:*:*

Configuration 2 (hide)

OR cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*

Configuration 3 (hide)

cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
History

21 Nov 2024, 06:21

Type Values Removed Values Added
References () https://github.com/Matroska-Org/libebml/issues/74 - Exploit, Issue Tracking, Third Party Advisory () https://github.com/Matroska-Org/libebml/issues/74 - Exploit, Issue Tracking, Third Party Advisory
References () https://lists.debian.org/debian-lts-announce/2021/04/msg00016.html - Third Party Advisory () https://lists.debian.org/debian-lts-announce/2021/04/msg00016.html - Third Party Advisory
References () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JNHQI6MDOECJ2HT5GCLEX2DMJFEOWPW7/ - () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JNHQI6MDOECJ2HT5GCLEX2DMJFEOWPW7/ -
References () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UHIIMWZKHHELFF4NRDMOOCS3HKK3K4DF/ - () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UHIIMWZKHHELFF4NRDMOOCS3HKK3K4DF/ -
References () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YY7R2JZRO5I6WS62KTJFTZGKYELVFTVB/ - () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YY7R2JZRO5I6WS62KTJFTZGKYELVFTVB/ -
References () https://security.gentoo.org/glsa/202208-21 - Third Party Advisory () https://security.gentoo.org/glsa/202208-21 - Third Party Advisory

15 Aug 2022, 11:15

Type Values Removed Values Added
References
  • (GENTOO) https://security.gentoo.org/glsa/202208-21 -

26 Apr 2022, 16:17

Type Values Removed Values Added
CPE cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
References (MLIST) https://lists.debian.org/debian-lts-announce/2021/04/msg00016.html - (MLIST) https://lists.debian.org/debian-lts-announce/2021/04/msg00016.html - Third Party Advisory
Information

Published : 2021-02-23 20:15

Updated : 2024-11-21 06:21

NVD link : CVE-2021-3405

Mitre link : CVE-2021-3405

CVE.ORG link : CVE-2021-3405

JSON object : View

Products Affected

debian

  • debian_linux

fedoraproject

  • fedora

matroska

  • libebml
CWE
CWE-787

Out-of-bounds Write