ISC BIND ACL security bypass
| isc-bind-acl-security-bypass (35571) |  Medium Risk |
Description:
ISC BIND could allow a remote attacker to bypass security restrictions. The default ACL is improperly set and allows an attacker to query cache contents or to send recursive queries. A remote attacker could exploit this vulnerability to bypass security restrictions and obtain sensitive information.
Platforms Affected:
- Gentoo, Linux
- ISC, BIND 9.4.0
- ISC, BIND 9.4.1
- ISC, BIND 9.5.0a1
- ISC, BIND 9.5.0a2
- ISC, BIND 9.5.0a3
- ISC, BIND 9.5.0a4
- ISC, BIND 9.5.0a5
- MandrakeSoft, Mandrake Linux 2007
- MandrakeSoft, Mandrake Linux 2007 X86_64
- MandrakeSoft, Mandrake Linux 2007.1
- MandrakeSoft, Mandrake Linux 2007.1 X86_64
- MandrakeSoft, Mandrake Linux Corporate Server 3.0
- MandrakeSoft, Mandrake Linux Corporate Server 3.0 X86_64
- MandrakeSoft, Mandrake Linux Corporate Server 4.0
- MandrakeSoft, Mandrake Linux Corporate Server 4.0 X86_64
- MandrakeSoft, Mandrake Multi Network Firewall 2.0
- OpenPKG, OpenPKG CURRENT
- RedHat, Enterprise Linux 2.1 AS
- RedHat, Enterprise Linux 2.1 WS
- RedHat, Enterprise Linux 2.1 ES
- RedHat, Enterprise Linux 3 WS
- RedHat, Enterprise Linux 3 ES
- RedHat, Enterprise Linux 3 AS
- RedHat, Enterprise Linux 3 Desktop
- RedHat, Enterprise Linux 4 WS
- RedHat, Enterprise Linux 4 ES
- RedHat, Enterprise Linux 4 Desktop
- RedHat, Enterprise Linux 4 AS
- RedHat, Enterprise Linux 5 Client Workstation
- RedHat, Enterprise Linux 5 Server
- RedHat, Enterprise Linux Desktop 5.0
- RedHat, Linux Advanced Workstation 2.1 Itanium
Remedy:
Upgrade to the latest version of BIND (9.5.0a6 or later), available from the Internet Software Consortium (ISC) Web site. See References.
For Red Hat (bind):
Refer to RHSA-2007:0740-2 for patch, upgrade, or suggested workaround information. See References.
For OpenPKG (bind):
Refer to OpenPKG-SA-2007.022 for patch, upgrade, or suggested workaround information. See References.
For Gentoo Linux (BIND):
Refer to GLSA 200708-13 for patch, upgrade, or suggested workaround information. See References.
For other distributions:
Contact your vendor for upgrade or patch information.
Consequences:
Bypass Security
References:
- Internet Software Consortium (ISC) Web site, BIND (Berkeley Internet Name Domain) page at http://www.isc.org/products/BIND/.
- Nortel Response to ISC:DNS, BIND 9 Vulnerabilities in Default ACL and Weak Query IDs at http://support.nortel.com/go/main.jsp?cscat=BLTNDETAIL&id=623903#PRODUCTS.
- BID-25076: ISC BIND 9 Default ACL Settings Recursive Queries And Cached Content Security Bypass Vulnerability
- CVE-2007-2925: The default access control lists (ACL) in ISC BIND 9.4.0, 9.4.1, and 9.5.0a1 through 9.5.0a5 do not set the allow-recursion and allow-query-cache ACLs, which allows remote attackers to make recursive queries and query the cache.
- GLSA-200708-13: BIND: Weak random number generation
- MDKSA-2007:149: Updated BIND9 packages fix vulnerabilities
- OpenPKG-SA-2007.022: bind
- SA26515: Nortel Products BIND Predictable DNS Query IDs Vulnerability
- SECTRACK ID: 1018441: BIND Weak Default Access Control Lists Let Remote Users Make Recursive Queries or Query the Cache
- US-CERT VU#187297: ISC BIND does not correctly set default access controls
- VUPEN/ADV-2007-2628: ISC BIND Insecure allow-query-cache and allow-recursion ACLs Vulnerability
- VUPEN/ADV-2007-2914: Nortel Products Bind Cache Poisoning and Security Bypass Vulnerabilities
Reported:
Jul 24, 2007
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