CVE-2023-4527

CVE Details

Release Date:

2023-09-12

Description

A flaw was found in glibc. When the getaddrinfo function is called with the AF_UNSPEC address family and the system is configured with no-aaaa mode via /etc/resolv.conf, a DNS response via TCP larger than 2048 bytes can potentially disclose stack contents through the function returned address data, and may cause a crash.

See more information about CVE-2023-4527 from MITRE CVE dictionary and NIST NVD

CVSS v3.0 metrics

NOTE: The following CVSS v3.0 metrics and score provided are preliminary and subject to review.

Base Score:	6.5	Base Metrics:	AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:H
Access Vector:	Network	Attack Complexity:	High
Privileges Required:	None	User Interaction:	None
Scope:	Unchanged	Confidentiality Impact:	Low
Integrity Impact:	None	Availability Impact:	High

Errata information

Platform	Errata	Release Date
Oracle Linux version 8 (glibc)	ELSA-2023-12872	2023-10-12
Oracle Linux version 8 (glibc)	ELSA-2023-5455	2023-10-10
Oracle Linux version 9 (glibc)	ELSA-2023-12873	2023-10-12
Oracle Linux version 9 (glibc)	ELSA-2023-5453	2023-10-10

This page is generated automatically and has not been checked for errors or omissions. For clarification or corrections please contact the Oracle Linux ULN team