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CVSS: 2.6EPSS: 12%CPEs: 3EXPL: 0

Cisco IOS 12.0, 12.1, and 12.2, when GRE IP tunneling is used and the RFC2784 compliance fixes are missing, does not verify the offset field of a GRE packet during decapsulation, which leads to an integer overflow that references data from incorrect memory locations, which allows remote attackers to inject crafted packets into the routing queue, possibly bypassing intended router ACLs. Cisco IOS 12.0, 12.1, y 12.2, cuando la tunelación GRE IP esta siendo usada y falta la conformidad RFC2784, no verifica el campo offset de un paquete GRE durante su encapsulación, lo cauls lleva a un desbordamiento de enteros que referencia datos desde localizaciones de memoria incorrectas, lo cual permite a un atacante remoto inyectar paquetes artesanales dentro de la cola de enrutamiento, posiblemente evitando la ACLs del router previsto. • http://secunia.com/advisories/21783 http://securityreason.com/securityalert/1526 http://securitytracker.com/id?1016799 http://www.cisco.com/en/US/tech/tk827/tk369/tsd_technology_security_response09186a008072cd7b.html http://www.osvdb.org/28590 http://www.phenoelit.de/stuff/CiscoGRE.txt http://www.securityfocus.com/archive/1/445322/100/0/threaded http://www.securityfocus.com/bid/19878 http://www.vupen.com/english/advisories/2006/3502 https://exchange.xforce.ibmcloud.com/vulnerabilities •

CVSS: 4.6EPSS: 0%CPEs: 130EXPL: 0

The TCL shell in Cisco IOS 12.2(14)S before 12.2(14)S16, 12.2(18)S before 12.2(18)S11, and certain other releases before 25 January 2006 does not perform Authentication, Authorization, and Accounting (AAA) command authorization checks, which may allow local users to execute IOS EXEC commands that were prohibited via the AAA configuration, aka Bug ID CSCeh73049. • http://secunia.com/advisories/18613 http://securitytracker.com/id?1015543 http://www.cisco.com/warp/public/707/cisco-response-20060125-aaatcl.shtml http://www.osvdb.org/34892 http://www.securityfocus.com/bid/16383 http://www.vupen.com/english/advisories/2006/0337 https://exchange.xforce.ibmcloud.com/vulnerabilities/24308 https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5836 •

CVSS: 4.6EPSS: 0%CPEs: 3EXPL: 0

Certain Cisco IOS releases in 12.2S based trains with maintenance release number 25 and later, 12.3T based trains, and 12.4 based trains reuse a Tcl Shell process across login sessions of different local users on the same terminal if the first user does not use tclquit before exiting, which may cause subsequent local users to execute unintended commands or bypass AAA command authorization checks, aka Bug ID CSCef77770. • http://secunia.com/advisories/18613 http://securitytracker.com/id?1015543 http://www.cisco.com/warp/public/707/cisco-response-20060125-aaatcl.shtml http://www.osvdb.org/22723 https://exchange.xforce.ibmcloud.com/vulnerabilities/24308 https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A4905 •

CVSS: 7.1EPSS: 3%CPEs: 108EXPL: 0

Unspecified vulnerability in Stack Group Bidding Protocol (SGBP) support in Cisco IOS 12.0 through 12.4 running on various Cisco products, when SGBP is enabled, allows remote attackers on the local network to cause a denial of service (device hang and network traffic loss) via a crafted UDP packet to port 9900. • http://secunia.com/advisories/18490 http://securityreason.com/securityalert/358 http://securitytracker.com/id?1015501 http://www.cisco.com/warp/public/707/cisco-sa-20060118-sgbp.shtml http://www.osvdb.org/22624 http://www.securityfocus.com/bid/16303 http://www.vupen.com/english/advisories/2006/0248 https://exchange.xforce.ibmcloud.com/vulnerabilities/24182 • CWE-20: Improper Input Validation •

CVSS: 2.6EPSS: 5%CPEs: 225EXPL: 2

Cross-site scripting (XSS) vulnerability in Cisco IOS Web Server for IOS 12.0(2a) allows remote attackers to inject arbitrary web script or HTML by (1) packets containing HTML that an administrator views via an HTTP interface to the contents of memory buffers, as demonstrated by the URI /level/15/exec/-/buffers/assigned/dump; or (2) sending the router Cisco Discovery Protocol (CDP) packets with HTML payload that an administrator views via the CDP status pages. NOTE: these vectors were originally reported as being associated with the dump and packet options in /level/15/exec/-/show/buffers. • http://secunia.com/advisories/17780 http://secunia.com/advisories/18528 http://securityreason.com/securityalert/227 http://securitytracker.com/id?1015275 http://www.cisco.com/warp/public/707/cisco-sa-20051201-http.shtml http://www.idefense.com/intelligence/vulnerabilities/display.php?id=372 http://www.infohacking.com/INFOHACKING_RESEARCH/Our_Advisories/cisco/index.html http://www.securityfocus.com/archive/1/417916/100/0/threaded http://www.securityfocus.com/bid/15602 http://www.securit •