CVE-2021-31871 - Vulnerability Details - OpenCVE

An issue was discovered in klibc before 2.0.9. An integer overflow in the cpio command may result in a NULL pointer dereference on 64-bit systems.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact None

Integrity Impact None

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.01589.

Key SSVC decision points have not yet been added.

Vendors	Products
Debian	Debian Linux
Klibc Project	Klibc

Configuration 1 [-]

cpe:2.3:a:klibc_project:klibc:*:*:*:*:*:*:x64:*

Configuration 2 [-]

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

No data.

No data.

Advisories

Source	ID	Title
Debian DLA	DLA-2695-1	klibc security update
EUVD	EUVD-2021-18746	An issue was discovered in klibc before 2.0.9. An integer overflow in the cpio command may result in a NULL pointer dereference on 64-bit systems.
Ubuntu USN	USN-5379-1	klibc vulnerabilities

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
http://www.openwall.com/lists/oss-security/2021/04/30/1
https://git.kernel.org/pub/scm/libs/klibc/klibc.git/commit/?id=2e48a12ab1e30d43498c2d53e878a11a1b5102d5
https://kernel.org/pub/linux/libs/klibc/2.0/
https://lists.debian.org/debian-lts-announce/2021/06/msg00025.html
https://lists.zytor.com/archives/klibc/2021-April/004593.html

History

No history.

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2021-04-30T05:18:52

Updated: 2024-08-03T23:10:30.764Z

Reserved: 2021-04-29T00:00:00

Link: CVE-2021-31871

Vulnrichment

No data.

NVD

Status : Modified

Published: 2021-04-30T06:15:07.287

Modified: 2024-11-21T06:06:23.850

Link: CVE-2021-31871

Redhat

No data.

OpenCVE Enrichment

No data.

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