SB2009073002 - Slackware Linux update for bind
Published: July 30, 2009 Updated: May 7, 2023
Security Bulletin ID
SB2009073002
CSH Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Assertion failure (CVE-ID: CVE-2009-0696)
CWE-ID: CWE-617 - Reachable Assertion
CVSSv4: 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
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.
Remediation
Install update from vendor's website.