CVE-2010-2831

Unspecified vulnerability in the NAT for SIP implementation in Cisco IOS 12.1 through 12.4 and 15.0 through 15.1 allows remote attackers to cause a denial of service device reload via transit traffic on UDP port 5060, aka Bug ID CSCtf17624...

CVE-2010-2833

Unspecified vulnerability in the NAT for H.225.0 implementation in Cisco IOS 12.1 through 12.4 and 15.0 through 15.1 allows remote attackers to cause a denial of service device reload via transit traffic, aka Bug ID CSCtd86472...

Memory corruption

Memory leak in the SSL VPN feature in Cisco IOS 12.4, 15.0, and 15.1, when HTTP port redirection is enabled, allows remote attackers to cause a denial of service memory consumption by improperly disconnecting SSL sessions, leading to connections that remain in the CLOSE-WAIT state, aka Bug ID...

Design/Logic Flaw

The IGMPv3 implementation in Cisco IOS 12.2, 12.3, 12.4, and 15.0 and IOS XE 2.5.x before 2.5.2, when PIM is enabled, allows remote attackers to cause a denial of service device reload via a malformed IGMP packet, aka Bug ID CSCte14603...

Code injection

Cisco IOS 12.2 through 12.4 and 15.0 through 15.1, Cisco IOS XE 2.5.x and 2.6.x before 2.6.1, and Cisco Unified Communications Manager aka CUCM, formerly CallManager 6.x before 6.15SU1, 7.x before 7.15, and 8.0 before 8.02 allow remote attackers to cause a denial of service device reload or...

Code injection

Unspecified vulnerability in the NAT for SIP implementation in Cisco IOS 12.1 through 12.4 and 15.0 through 15.1 allows remote attackers to cause a denial of service device reload via transit traffic on UDP port 5060, aka Bug ID CSCtf17624...

Code injection

Unspecified vulnerability in the NAT for H.225.0 implementation in Cisco IOS 12.1 through 12.4 and 15.0 through 15.1 allows remote attackers to cause a denial of service device reload via transit traffic, aka Bug ID CSCtd86472...

CVE-2010-2830

The IGMPv3 implementation in Cisco IOS 12.2, 12.3, 12.4, and 15.0 and IOS XE 2.5.x before 2.5.2, when PIM is enabled, allows remote attackers to cause a denial of service device reload via a malformed IGMP packet, aka Bug ID CSCte14603...

CVE-2010-2836

Memory leak in the SSL VPN feature in Cisco IOS 12.4, 15.0, and 15.1, when HTTP port redirection is enabled, allows remote attackers to cause a denial of service memory consumption by improperly disconnecting SSL sessions, leading to connections that remain in the CLOSE-WAIT state, aka Bug ID...

CVE-2010-2836

CVE-2010-2836 describes a memory leak in Cisco IOS SSL VPN when HTTP port redirection is enabled. A remote attacker can exploit this by disconnecting SSL sessions, causing sessions to linger in CLOSE_WAIT and eventual memory exhaustion, potentially denying service to new connections. Affected sof...

CVE-2010-2832

Cisco IOS NAT for H.323 DoS (CVE-2010-2832) affects IOS releases 12.1–12.4 and 15.0–15.1. The vulnerability allows remote attackers to trigger a device reload via transit traffic, as part of the NAT processing for H.323. The Cisco advisory CSCtf91428 assigns this CVE and notes the impact is a den...

Code injection

Unspecified vulnerability in Cisco Wireless LAN Controller WLC software 3.2 before 3.2.215.0; 4.1 and 4.2 before 4.2.205.0; 4.1M and 4.2M before 4.2.207.54M; 5.0, 5.1, and 6.0 before 6.0.188.0; and 5.2 before 5.2.193.11 allows remote attackers to cause a denial of service device reload via a...

CVE-2010-2841

Cisco WLCs are affected by an HTTP DoS vulnerability (CVE-2010-2841) where remote authenticated users can cause a device reload by sending crafted HTTP packets that trigger invalid arguments in the emweb component. Affected software includes 4.2 (before 4.2.209.0) and 4.2M (before 4.2.207.54M), 5...

Cisco IOS HTTP Server Vulnerability - Cisco Systems

A defect in multiple releases of Cisco IOS software will cause a Cisco router or switch to halt and reload if the IOS HTTP service is enabled and browsing to "http:///%%" is attempted. This defect can be exploited to produce a denial of service DoS attack. This defect has been discussed on public...

Cisco IOS BGP Attribute Corruption Vulnerability - Cisco Systems

A Border Gateway Protocol BGP UPDATE contains Network Layer Reachability Information NLRI and attributes that describe the path to the destination. An unrecognized transitive attribute can cause failures in Cisco IOS routers, ranging from a crash upon receipt of the unrecognized transitive...

Cisco IOS DHCP Blocked Interface Denial-of-Service - Cisco Systems

Cisco IOS devices running branches of Cisco IOS version 12.2S that have Dynamic Host Configuration Protocol DHCP server or relay agent enabled, even if not configured, are vulnerable to a denial of service where the input queue becomes blocked when receiving specifically crafted DHCP packets. Cis...

RADIUS Authentication Bypass (cisco-sa-20050629-aaa)

Remote Authentication Dial In User Service RADIUS authentication on a device that is running certain versions of Cisco Internetworking Operating System IOS and configured with a fallback method to none can be bypassed. Systems that are configured for other authentication methods or that are not...

ICMP Unreachable Vulnerability in Cisco 12000 Series Internet Router - Cisco Systems

The performance of Cisco 12000 series routers can be degraded when they have to send a large number of ICMP unreachable packets. This situation usually can occur during heavy network scanning. This vulnerability is tracked by three different bug IDs: CSCdr46528 registered customers only ,...

Cisco IOS Software TELNET Option Handling Vulnerability - Cisco Systems

A defect in multiple Cisco IOS software versions will cause a Cisco router to reload unexpectedly when the router is tested for security vulnerabilities by security scanning software programs. The defect can be exploited repeatedly to produce a consistent denial of service DoS attack. Customers...

Cisco Security Advisory: Cisco Unified Presence Denial of Service Vulnerabilities

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Cisco Security Advisory: Cisco Unified Presence Denial of Service Vulnerabilities Advisory ID: cisco-sa-20100825-cup Revision 1.0 For Public Release 2010 August 25 1600 UTC GMT +---------------------------------------------------------------------...