#VU6168 Assertion failure in ISC BIND - CVE-2009-0696
Published: March 24, 2017 / Updated: May 7, 2023
Vulnerability identifier: #VU6168
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:A/U:Amber
CVE-ID: CVE-2009-0696
CWE-ID: CWE-617
Exploitation vector: Remote access
Exploit availability:
The vulnerability is being exploited in the wild
Vulnerable software:
ISC BIND
ISC BIND
Software vendor:
ISC
ISC
Description
The vulnerability allows a remote attacker to perform denial of service attack.
The vulnerability exists due to assertion failure in dns_db_findrdataset() function within db.c when named is configured as a master server. A remote unauthenticated attacker can send an ANY record in the prerequisite section of a crafted dynamic update message and trigger assertion failure and daemon exit.
Successful exploitation of this vulnerability may allow an attacker to perform denial of service (DoS) attack.
Note: this vulnerability is being actively exploited.
The vulnerability exists due to assertion failure in dns_db_findrdataset() function within db.c when named is configured as a master server. A remote unauthenticated attacker can send an ANY record in the prerequisite section of a crafted dynamic update message and trigger assertion failure and daemon exit.
Successful exploitation of this vulnerability may allow an attacker to perform denial of service (DoS) attack.
Note: this vulnerability is being actively exploited.
Remediation
Update to version 9.4.3-P3, 9.5.1-P3 or 9.6.1-P1.