CVE-2019-9169

glibc: regular-expression match via proceed_next_node in posix/regexec.c leads to heap-based buffer over-read

Severity Score

9.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

In the GNU C Library (aka glibc or libc6) through 2.29, proceed_next_node in posix/regexec.c has a heap-based buffer over-read via an attempted case-insensitive regular-expression match.

En la biblioteca GNU C (también conocida como glibc o libc6), hasta la versión 2.29, proceed_next_node en posix/regexec.c tiene una sobrelectura de búfer basada en memoria dinámica (heap) mediante un intento de coincidencia de expresiones regulares que no distinguen entre mayúsculas y minúsculas.

*Credits: N/A

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

Low

Attack Vector

Network

Attack Complexity

Low

Authentication

None

Confidentiality

Partial

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2019-02-25 CVE Reserved
2019-02-26 CVE Published
2024-08-04 CVE Updated
2024-08-04 First Exploit
2024-08-28 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-125: Out-of-bounds Read

CAPEC

References (13)

URL	Tag	Source
http://www.securityfocus.com/bid/107160	Broken Link
https://kc.mcafee.com/corporate/index?page=content&id=SB10278	Third Party Advisory
https://sourceware.org/git/gitweb.cgi?p=glibc.git%3Ba=commit%3Bh=583dd860d5b833037175247230a328f0050dbfe9	X_refsource_misc
https://support.f5.com/csp/article/K54823184	Third Party Advisory
https://www.oracle.com/security-alerts/cpuapr2022.html	Not Applicable

URL	Date	SRC
https://debbugs.gnu.org/cgi/bugreport.cgi?bug=34140	2024-08-04
https://debbugs.gnu.org/cgi/bugreport.cgi?bug=34142	2024-08-04

URL	Date	SRC
https://security.netapp.com/advisory/ntap-20190315-0002	2023-11-07
https://sourceware.org/bugzilla/show_bug.cgi?id=24114	2023-11-07

URL	Date	SRC
https://security.gentoo.org/glsa/202006-04	2023-11-07
https://usn.ubuntu.com/4416-1	2023-11-07
https://access.redhat.com/security/cve/CVE-2019-9169	2021-05-18
https://bugzilla.redhat.com/show_bug.cgi?id=1684057	2021-05-18

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"				<= 2.29 Search vendor "Gnu" for product "Glibc" and version " <= 2.29"		-		Affected
Netapp Search vendor "Netapp"		Cloud Backup Search vendor "Netapp" for product "Cloud Backup"				*		-		Affected
Netapp Search vendor "Netapp"		Ontap Select Deploy Administration Utility Search vendor "Netapp" for product "Ontap Select Deploy Administration Utility"				-		-		Affected
Netapp Search vendor "Netapp"		Steelstore Cloud Integrated Storage Search vendor "Netapp" for product "Steelstore Cloud Integrated Storage"				-		-		Affected
Mcafee Search vendor "Mcafee"		Web Gateway Search vendor "Mcafee" for product "Web Gateway"				>= 7.7.2.0 < 7.7.2.21 Search vendor "Mcafee" for product "Web Gateway" and version " >= 7.7.2.0 < 7.7.2.21"		-		Affected
Mcafee Search vendor "Mcafee"		Web Gateway Search vendor "Mcafee" for product "Web Gateway"				>= 7.8.2.0 < 7.8.2.8 Search vendor "Mcafee" for product "Web Gateway" and version " >= 7.8.2.0 < 7.8.2.8"		-		Affected
Mcafee Search vendor "Mcafee"		Web Gateway Search vendor "Mcafee" for product "Web Gateway"				>= 8.0.0 < 8.1.1 Search vendor "Mcafee" for product "Web Gateway" and version " >= 8.0.0 < 8.1.1"		-		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				16.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "16.04"		esm		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				18.04 Search vendor "Canonical" for product "Ubuntu Linux" and version "18.04"		lts		Affected
Canonical Search vendor "Canonical"		Ubuntu Linux Search vendor "Canonical" for product "Ubuntu Linux"				19.10 Search vendor "Canonical" for product "Ubuntu Linux" and version "19.10"		-		Affected