797 : Cisco IOS tacacs Keyword ACL Bypass
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Views This Week	Views All Time	Added to OSVDB	Last Modified	Modified (since 2008)	Percent Complete
13	781	over 9 years ago	over 2 years ago	1 times	85%

Timeline

Discovery Date	Disclosure Date
1995-07-31	1995-07-31

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

Tools & Filters

	10974
	2198 2199 2200

Credit

Unknown or Incomplete

CVSSv2 Score

CVSSv2 Base Score = 7.5
Source: nvd.nist.gov | Generated: 2003-12-31 | Disagree?

Blogs

This product uses the Daylife API but is not endorsed or certified by Daylife.

This section lists the latest news and blogs found via the daylife API (and for older items, the technorati API), which mention or otherwise discuss this vulnerability.

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