DebianDEBIAN:DLA-2738-1:F3B74[SECURITY] [DLA 2738-1] c-ares security update
5.6 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
LOW
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
6.8 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
0.002 Low
EPSS
Percentile
52.1%
Debian LTS Advisory DLA-2738-1 [email protected]
https://www.debian.org/lts/security/ Thorsten Alteholz
August 10, 2021 https://wiki.debian.org/LTS
Package : c-ares
Version : 1.12.0-1+deb9u2
CVE ID : CVE-2021-3672
An issue has been found in c-ares, an asynchronous name resolver.
Missing input validation of host names returned by Domain Name Servers can
lead to output of wrong hostnames.
For Debian 9 stretch, this problem has been fixed in version
1.12.0-1+deb9u2.
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 | amd64 | libc-ares2-dbgsym | < 1.14.0-1+deb10u1 | libc-ares2-dbgsym_1.14.0-1+deb10u1_amd64.deb |
| Debian | 11 | mipsel | libc-ares2 | < 1.17.1-1+deb11u1 | libc-ares2_1.17.1-1+deb11u1_mipsel.deb |
| Debian | 10 | armel | libc-ares2-dbgsym | < 1.14.0-1+deb10u1 | libc-ares2-dbgsym_1.14.0-1+deb10u1_armel.deb |
| Debian | 10 | mips | libc-ares2 | < 1.14.0-1+deb10u1 | libc-ares2_1.14.0-1+deb10u1_mips.deb |
| Debian | 9 | armel | libc-ares-dev | < 1.12.0-1+deb9u2 | libc-ares-dev_1.12.0-1+deb9u2_armel.deb |
| Debian | 11 | mips64el | libc-ares-dev | < 1.17.1-1+deb11u1 | libc-ares-dev_1.17.1-1+deb11u1_mips64el.deb |
| Debian | 11 | mips64el | libc-ares2 | < 1.17.1-1+deb11u1 | libc-ares2_1.17.1-1+deb11u1_mips64el.deb |
| Debian | 10 | s390x | libc-ares-dev | < 1.14.0-1+deb10u1 | libc-ares-dev_1.14.0-1+deb10u1_s390x.deb |
| Debian | 10 | ppc64el | libc-ares2 | < 1.14.0-1+deb10u1 | libc-ares2_1.14.0-1+deb10u1_ppc64el.deb |
| Debian | 11 | arm64 | libc-ares-dev | < 1.17.1-1+deb11u1 | libc-ares-dev_1.17.1-1+deb11u1_arm64.deb |
Related
5.6 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
LOW
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
6.8 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:P/I:P/A:P
0.002 Low
EPSS
Percentile
52.1%