Fedora 38 update for bind-9.18.11-1.fc38 bind-dyndb-ldap
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 3 |
| CVE-ID | CVE-2022-3094 CVE-2022-3736 CVE-2022-3924 |
| CWE-ID | CWE-400 CWE-20 CWE-617 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
Fedora Operating systems & Components / Operating system bind-9.18.11-1.fc38 bind-dyndb-ldap Operating systems & Components / Operating system package or component |
| Vendor | Fedoraproject |
Security Bulletin
This security bulletin contains information about 3 vulnerabilities.
1) Resource exhaustion
EUVDB-ID: #VU71529
Risk: Medium
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2022-3094
CWE-ID:
CWE-400 - Resource exhaustion
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to application does not properly control consumption of internal resources when handling DNS updates. A remote attacker can trigger resource exhaustion by sending a flood of dynamic DNS updates.
MitigationUpgrade bind-9.18.11-1.fc38 bind-dyndb-ldap to version 11.10-11.fc38.
Vulnerable software versionsFedora: 38
bind-9.18.11-1.fc38 bind-dyndb-ldap: before 11.10-11.fc38
External linkshttp://bodhi.fedoraproject.org/updates/FEDORA-2023-f1accd4b37
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
2) Input validation error
EUVDB-ID: #VU71530
Risk: Medium
CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2022-3736
CWE-ID:
CWE-20 - Improper input validation
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can send specially crafted RRSIG query to the DNS server and perform a denial of service (DoS) attack.
Successful exploitation of the vulnerability requires that stale cache and stale answers are enabled, option stale-answer-client-timeout is set to a positive integer, and the resolver receives an RRSIG query.
Upgrade bind-9.18.11-1.fc38 bind-dyndb-ldap to version 11.10-11.fc38.
Vulnerable software versionsFedora: 38
bind-9.18.11-1.fc38 bind-dyndb-ldap: before 11.10-11.fc38
External linkshttp://bodhi.fedoraproject.org/updates/FEDORA-2023-f1accd4b37
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
3) Reachable Assertion
EUVDB-ID: #VU71531
Risk: Medium
CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2022-3924
CWE-ID:
CWE-617 - Reachable Assertion
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a reachable assertion. A remote attacker can send specially crafted queries to the resolver and perform a denial of service (DoS) attack.
Upgrade bind-9.18.11-1.fc38 bind-dyndb-ldap to version 11.10-11.fc38.
Vulnerable software versionsFedora: 38
bind-9.18.11-1.fc38 bind-dyndb-ldap: before 11.10-11.fc38
External linkshttp://bodhi.fedoraproject.org/updates/FEDORA-2023-f1accd4b37
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
