Info

Disclosure

Jul 31, 1995

Discovery

Jul 31, 1995

Dates

Exploit

Unknown

Solution

Unknown

Description

Cisco IOS contains a flaw that may allow a malicious user to bypass access control lists. The issue is caused by incorrect parses of extended ACLs which use the "tacacs" and "tacacs-ds" keywords. It is possible that the flaw may allow unauthorized traffic to traverse the network.

Classification

Attack Type: Authentication Management, Input Manipulation
Impact: Loss of Integrity
Disclosure: Vendor Verified

Solution

Upgrade to version indicated by Cisco product matrixx, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.

Products

Cisco Systems, Inc.

IOS

10.3

References

ISS X-Force ID: 1247
CVE ID: 1999-0161 (see also: NVD)
Bugtraq ID: 703
Vendor Specific Advisory URL: http://www.cisco.com/warp/public/707/1.html
Other Advisory URL: http://www.securityfocus.com/advisories/1420

Credit

Unknown or Incomplete

Direct URL: http://osvdb.org/797