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almalinuxAlmaLinuxALSA-2023:7207
HistoryNov 14, 2023 - 12:00 a.m.

Moderate: c-ares security update

2023-11-1400:00:00
errata.almalinux.org
5
c-ares
security update
dns resolution
buffer overread
buffer underwrite
cve-2020-22217
cve-2023-31130
unix

6.4 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.4 High

AI Score

Confidence

Low

0.0004 Low

EPSS

Percentile

13.4%

The c-ares C library defines asynchronous DNS (Domain Name System) requests and provides name resolving API.

Security Fix(es):

  • c-ares: Heap buffer over read in ares_parse_soa_reply (CVE-2020-22217)
  • c-ares: Buffer Underwrite in ares_inet_net_pton() (CVE-2023-31130)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

6.4 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

HIGH

Privileges Required

HIGH

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

7.4 High

AI Score

Confidence

Low

0.0004 Low

EPSS

Percentile

13.4%