7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
0.001 Low
EPSS
Percentile
30.8%
Debian Security Advisory DSA-5439-1 [email protected]
https://www.debian.org/security/ Salvatore Bonaccorso
June 25, 2023 https://www.debian.org/security/faq
Package : bind9
CVE ID : CVE-2023-2828 CVE-2023-2911
Several vulnerabilities were discovered in BIND, a DNS server
implementation.
CVE-2023-2828
Shoham Danino, Anat Bremler-Barr, Yehuda Afek and Yuval Shavitt
discovered that a flaw in the cache-cleaning algorithm used in named
can cause that named's configured cache size limit can be
significantly exceeded, potentially resulting in denial of service.
CVE-2023-2911
It was discovered that a flaw in the handling of recursive-clients
quota may result in denial of service (named daemon crash).
For the oldstable distribution (bullseye), these problems have been fixed
in version 1:9.16.42-1~deb11u1.
For the stable distribution (bookworm), these problems have been fixed in
version 1:9.18.16-1~deb12u1.
We recommend that you upgrade your bind9 packages.
For the detailed security status of bind9 please refer to its security
tracker page at:
https://security-tracker.debian.org/tracker/bind9
Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/
Mailing list: [email protected]
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Debian | 11 | all | bind9-doc | < 1:9.16.42-1~deb11u1 | bind9-doc_1:9.16.42-1~deb11u1_all.deb |
Debian | bookworm | all | bind9-doc | < 1:9.18.16-1~deb12u1 | bind9-doc_1:9.18.16-1~deb12u1_all.deb |
Debian | bookworm | all | bind9-host | < 1:9.18.16-1~deb12u1 | bind9-host_1:9.18.16-1~deb12u1_all.deb |
Debian | 11 | all | dnsutils | < 1:9.16.42-1~deb11u1 | dnsutils_1:9.16.42-1~deb11u1_all.deb |
Debian | 11 | all | bind9-dev | < 1:9.16.42-1~deb11u1 | bind9-dev_1:9.16.42-1~deb11u1_all.deb |
Debian | 11 | all | bind9-utils | < 1:9.16.42-1~deb11u1 | bind9-utils_1:9.16.42-1~deb11u1_all.deb |
Debian | bookworm | all | bind9-dev | < 1:9.18.16-1~deb12u1 | bind9-dev_1:9.18.16-1~deb12u1_all.deb |
Debian | 11 | all | bind9-dnsutils | < 1:9.16.42-1~deb11u1 | bind9-dnsutils_1:9.16.42-1~deb11u1_all.deb |
Debian | 11 | all | bind9-libs | < 1:9.16.42-1~deb11u1 | bind9-libs_1:9.16.42-1~deb11u1_all.deb |
Debian | bookworm | all | dnsutils | < 1:9.18.16-1~deb12u1 | dnsutils_1:9.18.16-1~deb12u1_all.deb |
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
0.001 Low
EPSS
Percentile
30.8%