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gentooGentoo FoundationGLSA-202401-02
HistoryJan 05, 2024 - 12:00 a.m.

c-ares: Multiple Vulnerabilities

2024-01-0500:00:00
Gentoo Foundation
security.gentoo.org
19
c-ares
c library
dns requests
vulnerabilities
cve identifiers
upgrade.

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

AI Score

7.6

Confidence

Low

EPSS

0.015

Percentile

87.2%

Background

c-ares is a C library for asynchronous DNS requests (including name resolves).

Description

Multiple vulnerabilities have been discovered in c-ares. Please review the CVE identifiers referenced below for details.

Impact

Please review the referenced CVE identifiers for details.

Workaround

There is no known workaround at this time.

Resolution

All c-ares users should upgrade to the latest version:

 # emerge --sync
 # emerge --ask --oneshot --verbose ">=net-dns/c-ares-1.19.0"
OSVersionArchitecturePackageVersionFilename
Gentooanyallnet-dns/c-ares< 1.19.0UNKNOWN

CVSS2

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

AI Score

7.6

Confidence

Low

EPSS

0.015

Percentile

87.2%