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Vulnerability IntelligenceCVE-2021-3405

CVE-2021-3405

MEDIUM6.5

A flaw was found in libebml before 1

Published Feb 23, 2021

Modified 1 years ago

Details

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.

References

WEB

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

WEB

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

ADVISORY

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

ADVISORY

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

ADVISORY

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

ADVISORY

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

ADVISORY

https://www.cve.org/CVERecord?id=CVE-2021-3405

CVSS Analysis

CVSS v3.1

6.5

Exploitability

Attack Vector

NetworkAV:N

Attack Complexity

LowAC:L

Privileges Required

NonePR:N

User Interaction

RequiredUI:R

Scope

UnchangedS:U

Impact

Confidentiality

NoneC:N

Integrity

NoneI:N

Availability

HighA:H

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

Weakness Type (CWE)

Memory Safety

CWE-787

Out-of-bounds Write

Ecosystems

Timeline

PublishedFeb 23, 2021

ModifiedAug 3, 2024

CVE-2021-3405 | Mondoo Vulnerability Intelligence