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

Moderate: c-ares security update

2023-11-1400:00:00
Google
osv.dev
8
c-ares
c library
security
update
dns requests
cve-2020-22217
cve-2023-31130
buffer underwrite
heap buffer over read
cvss score

CVSS3

6.4

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

AI Score

6.7

Confidence

High

EPSS

0.001

Percentile

30.9%

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.

CVSS3

6.4

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

AI Score

6.7

Confidence

High

EPSS

0.001

Percentile

30.9%