CVE-2021-31873 - Vulnerability Details - OpenCVE

An issue was discovered in klibc before 2.0.9. Additions in the malloc() function may result in an integer overflow and a subsequent heap buffer overflow.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

The EPSS score is 0.00889.

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:*:*:*:*:*:*:*:*

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-2021-18748	An issue was discovered in klibc before 2.0.9. Additions in the malloc() function may result in an integer overflow and a subsequent heap buffer overflow.
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=a31ae8c508fc8d1bca4f57e9f9f88127572d5202
https://github.com/huolinjue/klibc/commit/a31ae8c508fc8d1bca4f57e9f9f88127572d5202
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: 2021-04-30T00:00:00

Updated: 2024-08-03T23:10:30.261Z

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

Link: CVE-2021-31873

Vulnrichment

No data.

NVD

Status : Modified

Published: 2021-04-30T06:15:07.343

Modified: 2024-11-21T06:06:24.150

Link: CVE-2021-31873

Redhat

No data.

OpenCVE Enrichment

No data.

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