DNS: ISC BIND Regular Expression Handling Denial of Service
This signature detects attempts to exploit a known vulnerability against ISC BIND DNS Server. A successful attack can result in a denial-of-service condition.
Extended Description
libdns in ISC BIND 9.7.x and 9.8.x before 9.8.4-P2, 9.8.5 before 9.8.5b2, 9.9.x before 9.9.2-P2, and 9.9.3 before 9.9.3b2 on UNIX platforms allows remote attackers to cause a denial of service (memory consumption) via a crafted regular expression, as demonstrated by a memory-exhaustion attack against a machine running a named process.
Affected Products
Isc bind
References
CVE: CVE-2013-2266
Short Name
DNS:ISC-BIND-REGEX-DOS
Severity
Major
Recommended
False
Recommended Action
Drop
Category
DNS
Keywords
BIND CVE-2013-2266 Denial Expression Handling ISC Regular Service of
Release Date
04/22/2013
Supported Platforms
srx-branch-12.3
srx-19.3
srx-branch-19.3
vsrx3bsd-19.2
srx-branch-19.4
vsrx-19.4
mx-12.3
mx-19.4
vmx-19.4
mx-19.3
vsrx3bsd-19.4
srx-19.4
vsrx-12.3
vmx-19.3
vsrx-19.2
srx-12.3
Sigpack Version
3761
False Positive
Unknown
Vendors
Isc
CVSS Score
7.8