DebianDEBIAN:DLA-2604-1:9EC79[SECURITY] [DLA 2604-1] dnsmasq security update
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
COMPLETE
AV:N/AC:M/Au:N/C:P/I:P/A:C
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
AI Score
Confidence
Low
EPSS
Percentile
96.7%
Debian LTS Advisory DLA-2604-1 [email protected]
https://www.debian.org/lts/security/
March 22, 2021 https://wiki.debian.org/LTS
Package : dnsmasq
Version : 2.76-5+deb9u3
CVE ID : CVE-2020-25681 CVE-2020-25682 CVE-2020-25683 CVE-2020-25684
CVE-2020-25687
Moshe Kol and Shlomi Oberman of JSOF discovered several
vulnerabilities in dnsmasq, a small caching DNS proxy and DHCP/TFTP
server. They could result in denial of service, cache poisoning or the
execution of arbitrary code.
For Debian 9 stretch, these problems have been fixed in version
2.76-5+deb9u3.
We recommend that you upgrade your dnsmasq packages.
For the detailed security status of dnsmasq please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/dnsmasq
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 | ppc64el | dnsmasq-base | < 2.80-1+deb10u1 | dnsmasq-base_2.80-1+deb10u1_ppc64el.deb |
| Debian | 9 | i386 | dnsmasq-utils | < 2.76-5+deb9u3 | dnsmasq-utils_2.76-5+deb9u3_i386.deb |
| Debian | 10 | mips | dnsmasq-utils | < 2.80-1+deb10u1 | dnsmasq-utils_2.80-1+deb10u1_mips.deb |
| Debian | 9 | armhf | dnsmasq-base | < 2.76-5+deb9u3 | dnsmasq-base_2.76-5+deb9u3_armhf.deb |
| Debian | 10 | s390x | dnsmasq-base-lua | < 2.80-1+deb10u1 | dnsmasq-base-lua_2.80-1+deb10u1_s390x.deb |
| Debian | 10 | mips64el | dnsmasq-base-lua | < 2.80-1+deb10u1 | dnsmasq-base-lua_2.80-1+deb10u1_mips64el.deb |
| Debian | 10 | arm64 | dnsmasq-base | < 2.80-1+deb10u1 | dnsmasq-base_2.80-1+deb10u1_arm64.deb |
| Debian | 10 | all | dnsmasq | < 2.80-1+deb10u1 | dnsmasq_2.80-1+deb10u1_all.deb |
| Debian | 9 | armel | dnsmasq-utils | < 2.76-5+deb9u3 | dnsmasq-utils_2.76-5+deb9u3_armel.deb |
| Debian | 10 | armel | dnsmasq-base | < 2.80-1+deb10u1 | dnsmasq-base_2.80-1+deb10u1_armel.deb |
Related
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
COMPLETE
AV:N/AC:M/Au:N/C:P/I:P/A:C
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
AI Score
Confidence
Low
EPSS
Percentile
96.7%