CVE-2012-4643
The DHCP server on Cisco Adaptive Security Appliances (ASA) 5500 series devices, and the ASA Services Module (ASASM) in Cisco Catalyst 6500 series devices, with software 7.0 before 7.2(5.8), 7.1 before 7.2(5.8), 7.2 before 7.2(5.8), 8.0 before…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.53%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
The DHCP server on Cisco Adaptive Security Appliances (ASA) 5500 series devices, and the ASA Services Module (ASASM) in Cisco Catalyst 6500 series devices, with software 7.0 before 7.2(5.8), 7.1 before 7.2(5.8), 7.2 before 7.2(5.8), 8.0 before 8.0(5.28), 8.1 before 8.1(2.56), 8.2 before 8.2(5.27), 8.3 before 8.3(2.31), 8.4 before 8.4(3.10), 8.5 before 8.5(1.9), and 8.6 before 8.6(1.5) does not properly allocate memory for DHCP packets, which allows remote attackers to cause a denial of service (device reload) via a series of crafted IPv4 packets, aka Bug ID CSCtw84068.
- CVSS 2.0
- 7.1 HIGHAV:N/AC:M/Au:N/C:N/I:N/A:C
- EPSS
- 1.53% probability · 73th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-399
- Affected
- cisco/adaptive security appliance software · cisco/5500 series adaptive security appliance · cisco/catalyst 6500 · cisco/catalyst 6503-e · cisco/catalyst 6504-e · cisco/catalyst 6506-e · cisco/catalyst 6509-e · cisco/catalyst 6509-neb-a · cisco/catalyst 6509-v-e · cisco/catalyst 6513 · cisco/catalyst 6513-e
- Source
- psirt@cisco.com
References
- http://osvdb.org/86145
- http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20121010-asaVendor Advisory
- http://www.securityfocus.com/bid/55861
- http://osvdb.org/86145
- http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20121010-asaVendor Advisory
- http://www.securityfocus.com/bid/55861
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.