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
AI Score
Confidence
Low
EPSS
Percentile
92.9%
Shoham Danino, Anat Bremler-Barr, Yehuda Afek, and Yuval Shavitt discovered
that Bind incorrectly handled parsing large DNS messages. A remote attacker
could possibly use this issue to cause Bind to consume resources, leading
to a denial of service. (CVE-2023-4408)
Elias Heftrig, Haya Schulmann, Niklas Vogel, and Michael Waidner discovered
that Bind icorrectly handled validating DNSSEC messages. A remote attacker
could possibly use this issue to cause Bind to consume resources, leading
to a denial of service. (CVE-2023-50387)
It was discovered that Bind incorrectly handled preparing an NSEC3 closest
encloser proof. A remote attacker could possibly use this issue to cause
Bind to consume resources, leading to a denial of service. (CVE-2023-50868)
It was discovered that Bind incorrectly handled reverse zone queries when
nxdomain-redirect is enabled. A remote attacker could possibly use this
issue to cause Bind to crash, leading to a denial of service.
(CVE-2023-5517)
It was discovered that Bind incorrectly handled certain specific recursive
query patterns. A remote attacker could possibly use this issue to cause
Bind to consume memory, leading to a denial of service. (CVE-2023-6516)
Bind has been updated to 9.6.48. In addition to security fixes, the updated
packages contain bug fixes, new features, and possibly incompatible
changes.
Please see the following for more information:
<https://downloads.isc.org/isc/bind9/9.16.48/doc/arm/html/notes.html>
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Ubuntu | 20.04 | noarch | bind9 | < 1:9.16.48-0ubuntu0.20.04.1 | UNKNOWN |
Ubuntu | 20.04 | noarch | bind9-dbgsym | < 1:9.16.48-0ubuntu0.20.04.1 | UNKNOWN |
Ubuntu | 20.04 | noarch | bind9-dnsutils | < 1:9.16.48-0ubuntu0.20.04.1 | UNKNOWN |
Ubuntu | 20.04 | noarch | bind9-dnsutils-dbgsym | < 1:9.16.48-0ubuntu0.20.04.1 | UNKNOWN |
Ubuntu | 20.04 | noarch | bind9-doc | < 1:9.16.48-0ubuntu0.20.04.1 | UNKNOWN |
Ubuntu | 20.04 | noarch | bind9-host | < 1:9.16.48-0ubuntu0.20.04.1 | UNKNOWN |
Ubuntu | 20.04 | noarch | bind9-host-dbgsym | < 1:9.16.48-0ubuntu0.20.04.1 | UNKNOWN |
Ubuntu | 20.04 | noarch | bind9-libs | < 1:9.16.48-0ubuntu0.20.04.1 | UNKNOWN |
Ubuntu | 20.04 | noarch | bind9-libs-dbgsym | < 1:9.16.48-0ubuntu0.20.04.1 | UNKNOWN |
Ubuntu | 20.04 | noarch | bind9-utils | < 1:9.16.48-0ubuntu0.20.04.1 | UNKNOWN |