#VU33826 Input validation error in ISC BIND - CVE-2015-4620

 

#VU33826 Input validation error in ISC BIND - CVE-2015-4620

Published: July 8, 2015 / Updated: August 4, 2020


Vulnerability identifier: #VU33826
Vulnerability risk: Medium
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:U/U:Green
CVE-ID: CVE-2015-4620
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
ISC BIND
Software vendor:
ISC

Description

The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

name.c in named in ISC BIND 9.7.x through 9.9.x before 9.9.7-P1 and 9.10.x before 9.10.2-P2, when configured as a recursive resolver with DNSSEC validation, allows remote attackers to cause a denial of service (REQUIRE assertion failure and daemon exit) by constructing crafted zone data and then making a query for a name in that zone.


Remediation

Install update from vendor's website.

External links