SB2012091601 - Multiple vulnerabilities in Nextcloud ios

Description

This security bulletin contains information about 2 secuirty vulnerabilities.

1) Buffer overflow (CVE-ID: CVE-2013-1147)

The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

The Protocol Translation (PT) functionality in Cisco IOS 12.3 through 12.4 and 15.0 through 15.3, when one-step port-23 translation or a Telnet-to-PAD ruleset is configured, does not properly validate TCP connection information, which allows remote attackers to cause a denial of service (device reload) via an attempted connection to a PT resource, aka Bug ID CSCtz35999.

2) Input validation error (CVE-ID: CVE-2012-3893)

The vulnerability allows a remote #AU# to perform a denial of service (DoS) attack.

The FlexVPN implementation in Cisco IOS 15.2 and 15.3 allows remote authenticated users to cause a denial of service (spoke crash) via spoke-to-spoke traffic, aka Bug ID CSCtz02622.

Remediation

Install update from vendor's website.

References

• http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20130327-pt
• http://www.cisco.com/en/US/docs/ios/15_2s/release/notes/15_2s_caveats_15_2_4s.html