PT-2010-4326 · Cisco · Cisco Ios

Published 2010-09-22 · Updated 2010-09-24 · CVE-2010-2831

Positive Technologies (AI Summary)

CVSS v2.0

7.8

High

Base vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

Name of the Vulnerable Software and Affected Versions Cisco IOS versions 12.1 through 12.4 Cisco IOS versions 15.0 through 15.1

Description The issue affects the NAT for SIP implementation, allowing remote attackers to cause a denial of service (device reload) via transit traffic on UDP port 5060. There are also vulnerabilities in the translation of H.323 packets and H.225.0 call signaling for H.323 packets.

Recommendations For Cisco IOS versions 12.1 through 12.4, update to a version that addresses these vulnerabilities. For Cisco IOS versions 15.0 through 15.1, update to a version that addresses these vulnerabilities. As a temporary workaround, consider restricting the use of the NAT for SIP implementation until a patch is available.

Fix

Related Identifiers

CVE-2010-2831

Affected Products

Cisco Ios

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2010-2831 · Security Note
• http://cisco.com/en/US/products/products_security_advisory09186a0080b4a311.shtml · Vendor Advisory
• https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20100922-nat · Vendor Advisory