Slackware Linux update for bind

1) Assertion failure

EUVDB-ID: #VU6168

Risk: High

CVSSv4.0: 8.7 [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 - Reachable Assertion

Exploit availability: Yes

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.

Mitigation

Update the affected package bind.

Vulnerable software versions

:

CPE2.3

• cpe:2.3:::::*:*:*:*:*:*:*

External links

https://www.slackware.com/security/viewer.php?l=slackware-security&y=2009&m=slackware-security.561499

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?

Yes. This vulnerability is being exploited in the wild.