| Vulnerability Name: | CVE-2011-1922 (CCN-67645) | ||||||||
| Assigned: | 2011-05-25 | ||||||||
| Published: | 2011-05-25 | ||||||||
| Updated: | 2017-08-17 | ||||||||
| Summary: | daemon/worker.c in Unbound 1.x before 1.4.10, when debugging functionality and the interface-automatic option are enabled, allows remote attackers to cause a denial of service (assertion failure and daemon exit) via a crafted DNS request that triggers improper error handling. | ||||||||
| CVSS v3 Severity: | 5.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)
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| CVSS v2 Severity: | 4.3 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P) 3.2 Low (Temporal CVSS v2 Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P/E:U/RL:OF/RC:C)
3.7 Low (CCN Temporal CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P/E:U/RL:OF/RC:C)
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| Vulnerability Type: | CWE-399 | ||||||||
| Vulnerability Consequences: | Denial of Service | ||||||||
| References: | Source: MITRE Type: CNA CVE-2011-1922 Source: FEDORA Type: UNKNOWN FEDORA-2011-7555 Source: OSVDB Type: UNKNOWN 72750 Source: SECUNIA Type: UNKNOWN 44865 Source: CCN Type: Unbound Web Site Unbound DNS resolver denial of service vulnerability Source: CONFIRM Type: Patch, Vendor Advisory http://unbound.nlnetlabs.nl/downloads/CVE-2011-1922.txt Source: CCN Type: US-CERT VU#531342 Unbound DNS resolver denial of service vulnerability Source: CERT-VN Type: Patch, US Government Resource VU#531342 Source: CCN Type: OSVDB ID: 72750 Unbound daemon/worker.c DNS Request Error Handling Remote DoS Source: BID Type: UNKNOWN 47986 Source: CCN Type: BID-47986 Unbound DNS Resolver Remote Denial of Service Vulnerability Source: XF Type: UNKNOWN unbound-dns-dos(67645) Source: XF Type: UNKNOWN unbound-dns-dos(67645) | ||||||||
| Vulnerable Configuration: | Configuration 1: Configuration CCN 1:  Denotes that component is vulnerable | ||||||||
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