K2617 : Reverse name resolution vulnerability in SSH - CVE-2003-0386

Security Advisory Description

Note: Versions that are not listed in this article have not been evaluated for vulnerability to this security advisory. For information about the F5 security policy regarding evaluating older and unsupported versions of F5 products, refer to K4602: Overview of F5 security vulnerability response policy.

F5 products and versions that have been evaluated for_ _this Security Advisory

OpenSSH 3.6.1 and earlier, when restricting host access by numeric IP addresses and with VerifyReverseMapping disabled, allows remote attackers to bypass “from=” and “user@host” address restrictions by connecting to a host from a system whose reverse DNS hostname contains the numeric IP address.

Information about this advisory is available at the following location:

Note: This link takes you to a resource outside of AskF5, and it is possible that the information may be removed without our knowledge.

<https://vulners.com/cve/CVE-2003-0386&gt;