5.9 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
6.2 Medium
AI Score
Confidence
High
0.0004 Low
EPSS
Percentile
13.4%
Debian LTS Advisory DLA-3567-1 [email protected]
https://www.debian.org/lts/security/ Anton Gladky
September 15, 2023 https://wiki.debian.org/LTS
Package : c-ares
Version : 1.14.0-1+deb10u4
CVE ID : CVE-2020-22217
A vulnerability has been identified in c-ares, an asynchronous name
resolver library:
CVE-2020-22217:
A buffer overflow vulnerability has been found in c-ares before
via the function ares_parse_soa_reply in ares_parse_soa_reply.c.
This vulnerability was discovered through fuzzing. Exploitation
of this vulnerability may allow an attacker to execute arbitrary
code or cause a denial of service condition.
For Debian 10 buster, this problem has been fixed in version
1.14.0-1+deb10u4.
We recommend that you upgrade your c-ares packages.
For the detailed security status of c-ares please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/c-ares
Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Debian | 10 | armhf | libc-ares-dev | < 1.14.0-1+deb10u4 | libc-ares-dev_1.14.0-1+deb10u4_armhf.deb |
Debian | 10 | arm64 | libc-ares2 | < 1.14.0-1+deb10u4 | libc-ares2_1.14.0-1+deb10u4_arm64.deb |
Debian | 10 | i386 | libc-ares2 | < 1.14.0-1+deb10u4 | libc-ares2_1.14.0-1+deb10u4_i386.deb |
Debian | 10 | amd64 | libc-ares-dev | < 1.14.0-1+deb10u4 | libc-ares-dev_1.14.0-1+deb10u4_amd64.deb |
Debian | 10 | all | c-ares | < 1.14.0-1+deb10u4 | c-ares_1.14.0-1+deb10u4_all.deb |
Debian | 10 | i386 | libc-ares-dev | < 1.14.0-1+deb10u4 | libc-ares-dev_1.14.0-1+deb10u4_i386.deb |
Debian | 10 | arm64 | libc-ares-dev | < 1.14.0-1+deb10u4 | libc-ares-dev_1.14.0-1+deb10u4_arm64.deb |
Debian | 10 | armhf | libc-ares2 | < 1.14.0-1+deb10u4 | libc-ares2_1.14.0-1+deb10u4_armhf.deb |
Debian | 10 | amd64 | libc-ares2 | < 1.14.0-1+deb10u4 | libc-ares2_1.14.0-1+deb10u4_amd64.deb |
5.9 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
6.2 Medium
AI Score
Confidence
High
0.0004 Low
EPSS
Percentile
13.4%