CVE-2022-4904

c-ares: buffer overflow in config_sortlist() due to missing string length check

Severity Score

8.6

*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 c-ares package. The ares_set_sortlist is missing checks about the validity of the input string, which allows a possible arbitrary length stack overflow. This issue may cause a denial of service or a limited impact on confidentiality and integrity.

*Credits: N/A

CVSS Scores

NISTv3.1 8.6

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

High

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2023-02-09 CVE Reserved
2023-03-02 CVE Published
2024-08-03 CVE Updated
2024-08-03 First Exploit
2024-10-25 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-20: Improper Input Validation
CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE-1284: Improper Validation of Specified Quantity in Input

CAPEC

References (5)

URL	Tag	Source

URL	Date	SRC
https://github.com/c-ares/c-ares/issues/496	2024-08-03

URL	Date	SRC

URL	Date	SRC
https://bugzilla.redhat.com/show_bug.cgi?id=2168631	2023-11-28
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/33LDNS6RPOPP36Z4MPWXALUQZXJCWJS2	2024-01-05
https://security.gentoo.org/glsa/202401-02	2024-01-05
https://access.redhat.com/security/cve/CVE-2022-4904	2023-11-28

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
C-ares Project Search vendor "C-ares Project"		C-ares Search vendor "C-ares Project" for product "C-ares"				< 1.19.0 Search vendor "C-ares Project" for product "C-ares" and version " < 1.19.0"		-		Affected
Redhat Search vendor "Redhat"		Software Collections Search vendor "Redhat" for product "Software Collections"				-		-		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
Fedoraproject Search vendor "Fedoraproject"		Fedora Search vendor "Fedoraproject" for product "Fedora"				36 Search vendor "Fedoraproject" for product "Fedora" and version "36"		-		Affected