CVE-2023-5156

Glibc: dos due to memory leak in getaddrinfo.c

Severity Score

7.5

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

A flaw was found in the GNU C Library. A recent fix for CVE-2023-4806 introduced the potential for a memory leak, which may result in an application crash.

Se encontró una falla en la librería GNU C. Una solución reciente para CVE-2023-4806 introdujo la posibilidad de una pérdida de memoria, lo que puede provocar un bloqueo de la aplicación.

*Credits: Red Hat would like to thank Romain Geissler for reporting this issue.

CVSS Scores

NISTv3.1 7.5

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2023-09-25 CVE Reserved
2023-09-25 CVE Published
2024-09-14 CVE Updated
2024-10-27 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date
---------- First Exploit

CWE

CWE-401: Missing Release of Memory after Effective Lifetime

CAPEC

References (9)

URL	Tag	Source
http://www.openwall.com/lists/oss-security/2023/10/03/5	Mailing List
http://www.openwall.com/lists/oss-security/2023/10/03/6	Mailing List
https://access.redhat.com/security/cve/CVE-2023-5156	Third Party Advisory
https://security.gentoo.org/glsa/202402-01	Third Party Advisory

URL	Date	SRC

URL	Date	SRC
http://www.openwall.com/lists/oss-security/2023/10/03/4	2024-02-23
http://www.openwall.com/lists/oss-security/2023/10/03/8	2024-02-23
https://bugzilla.redhat.com/show_bug.cgi?id=2240541	2024-02-23
https://sourceware.org/bugzilla/show_bug.cgi?id=30884	2024-02-23
https://sourceware.org/git/?p=glibc.git;a=commitdiff;h=ec6b95c3303c700eb89eebeda2d7264cc184a796	2024-02-23

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Gnu Search vendor "Gnu"		Glibc Search vendor "Gnu" for product "Glibc"				>= 2.34 < 2.39 Search vendor "Gnu" for product "Glibc" and version " >= 2.34 < 2.39"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux"				8.0 Search vendor "Redhat" for product "Enterprise Linux" and version "8.0"		-		Affected
Redhat Search vendor "Redhat"		Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux"				9.0 Search vendor "Redhat" for product "Enterprise Linux" and version "9.0"		-		Affected