Vulnerability Monitor

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CVE-2023-4527

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.

Published

2023-09-18T17:15:55.067

Last Modified

2025-06-24T17:31:20.860

Status

Analyzed

Source

[email protected]

Severity

CVSSv3.1: 6.5 (MEDIUM)

Weaknesses

Type: Secondary
CWE-121
Type: Primary
CWE-125

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	gnu	glibc	< 2.36.113	Yes
Application	gnu	glibc	< 2.37.38	Yes
Application	gnu	glibc	< 2.38.19	Yes
Application	redhat	codeready_linux_builder_eus	9.2	Yes
Application	redhat	codeready_linux_builder_eus_for_power_little_endian	9.0_ppc64le	Yes
Application	redhat	codeready_linux_builder_eus_for_power_little_endian_eus	9.2_ppc64le	Yes
Application	redhat	codeready_linux_builder_for_arm64	9.0_aarch64	Yes
Application	redhat	codeready_linux_builder_for_arm64_eus	9.2_aarch64	Yes
Application	redhat	codeready_linux_builder_for_ibm_z_systems	9.0_s390x	Yes
Application	redhat	codeready_linux_builder_for_ibm_z_systems_eus	9.2_s390x	Yes
Operating System	redhat	enterprise_linux	8.0	Yes
Operating System	redhat	enterprise_linux	9.0	Yes
Operating System	redhat	enterprise_linux_eus	8.8	Yes
Operating System	redhat	enterprise_linux_eus	9.2	Yes
Operating System	redhat	enterprise_linux_for_arm_64	9.0_aarch64	Yes
Operating System	redhat	enterprise_linux_for_arm_64_eus	9.2_aarch64	Yes
Operating System	redhat	enterprise_linux_for_ibm_z_systems	8.0_s390x	Yes
Operating System	redhat	enterprise_linux_for_ibm_z_systems_eus	8.8_s390x	Yes
Operating System	redhat	enterprise_linux_for_ibm_z_systems_eus_s390x	9.2	Yes
Operating System	redhat	enterprise_linux_for_ibm_z_systems_s390x	9.2	Yes
Operating System	redhat	enterprise_linux_for_power_little_endian	8.0_ppc64le	Yes
Operating System	redhat	enterprise_linux_for_power_little_endian	9.2_ppc64le	Yes
Operating System	redhat	enterprise_linux_for_power_little_endian_eus	8.8_ppc64le	Yes
Operating System	redhat	enterprise_linux_for_power_little_endian_eus	9.2_ppc64le	Yes
Operating System	redhat	enterprise_linux_server_aus	9.2	Yes
Operating System	redhat	enterprise_linux_server_for_power_little_endian_update_services_for_sap_solutions	9.2_ppc64le	Yes
Operating System	redhat	enterprise_linux_tus	8.8	Yes
Operating System	fedoraproject	fedora	37	Yes
Operating System	fedoraproject	fedora	38	Yes
Operating System	fedoraproject	fedora	39	Yes
Operating System	netapp	h300s_firmware	-	Yes
Hardware	netapp	h300s	-	No
Operating System	netapp	h500s_firmware	-	Yes
Hardware	netapp	h500s	-	No
Operating System	netapp	h700s_firmware	-	Yes
Hardware	netapp	h700s	-	No
Operating System	netapp	h410s_firmware	-	Yes
Hardware	netapp	h410s	-	No
Operating System	netapp	h410c_firmware	-	Yes
Hardware	netapp	h410c	-	No

References

https://access.redhat.com/errata/RHSA-2023:5453 Third Party Advisory ([email protected])
https://access.redhat.com/errata/RHSA-2023:5455 Third Party Advisory ([email protected])
https://access.redhat.com/security/cve/CVE-2023-4527 Third Party Advisory ([email protected])
https://bugzilla.redhat.com/show_bug.cgi?id=2234712 Exploit, Issue Tracking, Third Party Advisory ([email protected])
http://www.openwall.com/lists/oss-security/2023/09/25/1 Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://access.redhat.com/errata/RHSA-2023:5453 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://access.redhat.com/errata/RHSA-2023:5455 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://access.redhat.com/security/cve/CVE-2023-4527 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://bugzilla.redhat.com/show_bug.cgi?id=2234712 Exploit, Issue Tracking, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.fedoraproject.org/archives/list/[email protected]/message/4DBUQRRPB47TC3NJOUIBVWUGFHBJAFDL/ Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.fedoraproject.org/archives/list/[email protected]/message/DFG4P76UHHZEWQ26FWBXG76N2QLKKPZA/ Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.fedoraproject.org/archives/list/[email protected]/message/NDAQWHTSVOCOZ5K6KPIWKRT3JX4RTZUR/ Mailing List, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://security.gentoo.org/glsa/202310-03 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://security.netapp.com/advisory/ntap-20231116-0012/ Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)