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7.1

Cisco ASA and Catalyst devices may reboot from crafted network packet

CVE-2012-4662 · published 14 years ago
Summary

The inspection component in Cisco ASA 5500 firewalls and the ASA Services Module in Catalyst 6500 switches and routers can be triggered by a specially formed DCERPC network packet, causing the device to restart and become unavailable. This affects software versions before the listed updates for ASA 8.3, 8.4, 8.5 and the related modules on Catalyst 6500/7600 platforms. Update the firmware to the latest released version to stop the issue and avoid unexpected downtime.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
VendorProductAffected versions
cisco adaptive_security_appliance_software 8.3\(1\)
8.3\(2\)
8.4
8.4\(1\)
8.4\(1.11\)
8.4\(2\)
8.4\(2.11\)
8.5
8.5\(1\)
8.5\(1.4\)
cpe:2.3:o:cisco:adaptive_security_appliance_software:8.3\(1\):*:*:*:*:*:*:*
cisco 5500_series_adaptive_security_appliance All versions
cpe:2.3:h:cisco:5500_series_adaptive_security_appliance:*:*:*:*:*:*:*:*
cisco 7600_router All versions
cpe:2.3:h:cisco:7600_router:*:*:*:*:*:*:*:*
cisco catalyst_6500 All versions
cpe:2.3:h:cisco:catalyst_6500:*:*:*:*:*:*:*:*
cisco catalyst_6503-e All versions
cpe:2.3:h:cisco:catalyst_6503-e:-:*:*:*:*:*:*:*
cisco catalyst_6504-e All versions
cpe:2.3:h:cisco:catalyst_6504-e:-:*:*:*:*:*:*:*
cisco catalyst_6506-e All versions
cpe:2.3:h:cisco:catalyst_6506-e:-:*:*:*:*:*:*:*
cisco catalyst_6509-e All versions
cpe:2.3:h:cisco:catalyst_6509-e:-:*:*:*:*:*:*:*
cisco catalyst_6509-neb-a All versions
cpe:2.3:h:cisco:catalyst_6509-neb-a:-:*:*:*:*:*:*:*
cisco catalyst_6509-v-e All versions
cpe:2.3:h:cisco:catalyst_6509-v-e:-:*:*:*:*:*:*:*
cisco catalyst_6513 All versions
cpe:2.3:h:cisco:catalyst_6513:-:*:*:*:*:*:*:*
cisco catalyst_6513-e All versions
cpe:2.3:h:cisco:catalyst_6513-e:-:*:*:*:*:*:*:*
Original advisory text
The DCERPC inspection engine on Cisco Adaptive Security Appliances (ASA) 5500 series devices, and the ASA Services Module (ASASM) in Cisco Catalyst 6500 series devices, with software 8.3 before 8.3...
The DCERPC inspection engine on Cisco Adaptive Security Appliances (ASA) 5500 series devices, and the ASA Services Module (ASASM) in Cisco Catalyst 6500 series devices, with software 8.3 before 8.3(2.25), 8.4 before 8.4(2.5), and 8.5 before 8.5(1.13) and the Firewall Services Module (FWSM) 4.1 before 4.1(7) in Cisco Catalyst 6500 series switches and 7600 series routers allows remote attackers to cause a denial of service (device reload) via a crafted DCERPC packet, aka Bug IDs CSCtr21376 and CSCtr27524.
References
Fix within
Internet-facing 60 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit (estimated)
  • Gives an attacker partial control (estimated)
Severity
7.1 High
Exploitation
2% chance of attack within 30 days
Type
CWE-119Buffer Overflow
Timeline
Published29 Oct 2012
Updated3 Nov 2026
First seen29 Sep 2026
Sources
CVE-2012-4662 · NVD
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