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Cisco » IOS : Security Vulnerabilities (Overflow)

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# CVE ID CWE ID # of Exploits Vulnerability Type(s) Publish Date Update Date Score Gained Access Level Access Complexity Authentication Conf. Integ. Avail.
1 CVE-2014-3361 119 DoS Overflow 2014-09-25 2014-09-25
7.1
None Remote Medium Not required None None Complete
The ALG module in Cisco IOS 15.0 through 15.4 does not properly implement SIP over NAT, which allows remote attackers to cause a denial of service (device reload) via multipart SDP IPv4 traffic, aka Bug ID CSCun54071.
2 CVE-2013-6693 119 DoS Overflow 2013-11-21 2013-11-22
5.4
None Remote High Not required None None Complete
The MLDP implementation in Cisco IOS 15.3(3)S and earlier on 7600 routers, when many VRFs are configured, allows remote attackers to cause a denial of service (chunk corruption and device reload) by establishing many multicast flows, aka Bug ID CSCue22345.
3 CVE-2013-5469 119 DoS Overflow 2013-08-30 2013-09-11
7.1
None Remote Medium Not required None None Complete
The TCP implementation in Cisco IOS does not properly implement the transitions from the ESTABLISHED state to the CLOSED state, which allows remote attackers to cause a denial of service (flood of ACK packets) via a crafted series of ACK and FIN packets, aka Bug ID CSCtz14399.
4 CVE-2013-1217 119 DoS Overflow 2013-04-24 2013-04-24
6.8
None Remote Low Single system None None Complete
The generic input/output control implementation in Cisco IOS does not properly manage buffers, which allows remote authenticated users to cause a denial of service (device reload) by sending many SNMP requests at the same time, aka Bug ID CSCub41105.
5 CVE-2013-1148 119 DoS Overflow 2013-03-28 2013-03-29
7.8
None Remote Low Not required None None Complete
The General Responder implementation in the IP Service Level Agreement (SLA) feature in Cisco IOS 15.2 and IOS XE 3.1.xS through 3.4.xS before 3.4.5S and 3.5.xS through 3.7.xS before 3.7.2S allows remote attackers to cause a denial of service (device reload) via crafted (1) IPv4 or (2) IPv6 IP SLA packets on UDP port 1167, aka Bug ID CSCuc72594.
6 CVE-2013-1147 119 DoS Overflow 2013-03-28 2013-04-02
7.8
None Remote Low Not required None None Complete
The Protocol Translation (PT) functionality in Cisco IOS 12.3 through 12.4 and 15.0 through 15.3, when one-step port-23 translation or a Telnet-to-PAD ruleset is configured, does not properly validate TCP connection information, which allows remote attackers to cause a denial of service (device reload) via an attempted connection to a PT resource, aka Bug ID CSCtz35999.
7 CVE-2013-1146 119 DoS Overflow 2013-03-28 2013-03-29
7.8
None Remote Low Not required None None Complete
The Smart Install client functionality in Cisco IOS 12.2 and 15.0 through 15.3 on Catalyst switches allows remote attackers to cause a denial of service (device reload) via crafted image list parameters in Smart Install packets, aka Bug ID CSCub55790.
8 CVE-2013-1143 119 DoS Overflow 2013-03-28 2013-03-29
7.1
None Remote Medium Not required None None Complete
The RSVP protocol implementation in Cisco IOS 12.2 and 15.0 through 15.2 and IOS XE 3.1.xS through 3.4.xS before 3.4.5S and 3.5.xS through 3.7.xS before 3.7.2S, when MPLS-TE is enabled, allows remote attackers to cause a denial of service (incorrect memory access and device reload) via a traffic engineering PATH message in an RSVP packet, aka Bug ID CSCtg39957.
9 CVE-2012-5044 119 DoS Overflow Mem. Corr. 2014-04-23 2014-04-23
5.4
None Remote High Not required None None Complete
Cisco IOS before 15.3(1)T, when media flow-around is not used, allows remote attackers to cause a denial of service (media loops and stack memory corruption) via VoIP traffic, aka Bug ID CSCub45809.
10 CVE-2012-3915 119 DoS Overflow 2012-09-16 2013-03-25
5.0
None Remote Low Not required None None Partial
The DMVPN tunnel implementation in Cisco IOS 15.2 allows remote attackers to cause a denial of service (persistent IKE state) via a large volume of hub-to-spoke traffic, aka Bug ID CSCtq39602.
11 CVE-2012-1344 119 DoS Overflow 2012-08-06 2013-04-01
3.5
None Remote Medium Single system None None Partial
Cisco IOS 15.1 and 15.2, when a clientless SSL VPN is configured, allows remote authenticated users to cause a denial of service (device reload) by using a web browser to refresh the SSL VPN portal page, as demonstrated by the Android browser, aka Bug ID CSCtr86328.
12 CVE-2012-1317 119 DoS Overflow 2014-04-23 2014-04-23
5.4
None Remote High Not required None None Complete
The multicast implementation in Cisco IOS before 15.1(1)SY allows remote attackers to cause a denial of service (Route Processor crash) by sending packets at a high rate, aka Bug ID CSCts37717.
13 CVE-2009-2865 119 DoS Exec Code Overflow 2009-09-28 2009-12-17
7.6
None Remote High Not required Complete Complete Complete
Buffer overflow in the login implementation in the Extension Mobility feature in the Unified Communications Manager Express (CME) component in Cisco IOS 12.4XW, 12.4XY, 12.4XZ, and 12.4YA allows remote attackers to execute arbitrary code or cause a denial of service via crafted HTTP requests, aka Bug ID CSCsq58779.
14 CVE-2007-5552 189 Exec Code Overflow 2007-10-18 2008-09-05
9.3
Admin Remote Medium Not required Complete Complete Complete
Integer overflow in Cisco IOS allows remote attackers to execute arbitrary code via unspecified vectors. NOTE: as of 20071016, the only disclosure is a vague pre-advisory with no actionable information. However, since it is from a well-known researcher, it is being assigned a CVE identifier for tracking purposes.
15 CVE-2007-5551 Exec Code Overflow 2007-10-18 2008-09-05
7.1
None Remote Medium Not required None None Complete
Off-by-one error in Cisco IOS allows remote attackers to execute arbitrary code via unspecified vectors that trigger a heap-based buffer overflow. NOTE: as of 20071016, the only disclosure is a vague pre-advisory with no actionable information. However, since it is from a well-known researcher, it is being assigned a CVE identifier for tracking purposes.
16 CVE-2007-5548 119 Overflow +Priv 2007-10-18 2008-11-15
6.9
Admin Local Medium Not required Complete Complete Complete
Multiple stack-based buffer overflows in Command EXEC in Cisco IOS allow local users to gain privileges via unspecified vectors, aka (1) PSIRT-0474975756 and (2) PSIRT-0388256465. NOTE: as of 20071016, the only disclosure is a vague pre-advisory with no actionable information. However, since it is from a well-known researcher, it is being assigned a CVE identifier for tracking purposes.
17 CVE-2007-5381 119 Exec Code Overflow 2007-10-11 2008-11-15
9.3
None Remote Medium Not required Complete Complete Complete
Stack-based buffer overflow in the Line Printer Daemon (LPD) in Cisco IOS before 12.2(18)SXF11, 12.4(16a), and 12.4(2)T6 allow remote attackers to execute arbitrary code by setting a long hostname on the target system, then causing an error message to be printed, as demonstrated by a telnet session to the LPD from a source port other than 515.
18 CVE-2007-4286 119 DoS Exec Code Overflow 2007-08-09 2009-03-04
9.3
None Remote Medium Not required Complete Complete Complete
Buffer overflow in the Next Hop Resolution Protocol (NHRP) functionality in Cisco IOS 12.0 through 12.4 allows remote attackers to cause a denial of service (restart) and execute arbitrary code via a crafted NHRP packet.
19 CVE-2007-2586 264 2 Exec Code Overflow 2007-05-09 2012-10-29
9.3
None Remote Medium Not required Complete Complete Complete
The FTP Server in Cisco IOS 11.3 through 12.4 does not properly check user authorization, which allows remote attackers to execute arbitrary code, and have other impact including reading startup-config, as demonstrated by a crafted MKD command that involves access to a VTY device and overflows a buffer, aka bug ID CSCek55259.
20 CVE-2006-4776 119 Exec Code Overflow 2006-09-13 2011-10-17
7.5
User Remote Low Not required Partial Partial Partial
Heap-based buffer overflow in the VLAN Trunking Protocol (VTP) feature in Cisco IOS 12.1(19) allows remote attackers to execute arbitrary code via a long VLAN name in a VTP type 2 summary advertisement.
21 CVE-2006-4650 Overflow Bypass 2006-09-08 2009-03-04
2.6
None Remote High Not required Partial None None
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.
22 CVE-2005-3481 Exec Code Overflow 2005-11-02 2009-03-04
9.3
Admin Remote Medium Not required Complete Complete Complete
Cisco IOS 12.0 to 12.4 might allow remote attackers to execute arbitrary code via a heap-based buffer overflow in system timers. NOTE: this issue does not correspond to a specific vulnerability, rather a general weakness that only increases the feasibility of exploitation of any vulnerabilities that might exist. Such design-level weaknesses normally are not included in CVE, so perhaps this issue should be REJECTed.
23 CVE-2005-2841 DoS Exec Code Overflow 2005-09-08 2009-03-04
7.5
User Remote Low Not required Partial Partial Partial
Buffer overflow in Firewall Authentication Proxy for FTP and/or Telnet Sessions for Cisco IOS 12.2ZH and 12.2ZL, 12.3 and 12.3T, and 12.4 and 12.4T allows remote attackers to cause a denial of service and possibly execute arbitrary code via crafted user authentication credentials.
24 CVE-2003-0647 Exec Code Overflow 2003-08-27 2008-09-10
7.5
User Remote Low Not required Partial Partial Partial
Buffer overflow in the HTTP server for Cisco IOS 12.2 and earlier allows remote attackers to execute arbitrary code via an extremely long (2GB) HTTP GET request.
25 CVE-2003-0100 DoS Exec Code Overflow 2003-03-03 2008-09-10
7.5
User Remote Low Not required Partial Partial Partial
Buffer overflow in Cisco IOS 11.2.x to 12.0.x allows remote attackers to cause a denial of service and possibly execute commands via a large number of OSPF neighbor announcements.
26 CVE-2002-1359 20 DoS Exec Code Overflow 2002-12-23 2009-03-04
10.0
Admin Remote Low Not required Complete Complete Complete
Multiple SSH2 servers and clients do not properly handle large packets or large fields, which may allow remote attackers to cause a denial of service or possibly execute arbitrary code via buffer overflow attacks, as demonstrated by the SSHredder SSH protocol test suite.
27 CVE-2002-1357 119 DoS Exec Code Overflow 2002-12-23 2009-03-04
10.0
Admin Remote Low Not required Complete Complete Complete
Multiple SSH2 servers and clients do not properly handle packets or data elements with incorrect length specifiers, which may allow remote attackers to cause a denial of service or possibly execute arbitrary code, as demonstrated by the SSHredder SSH protocol test suite.
28 CVE-2002-1024 399 DoS Overflow 2002-10-04 2008-09-05
7.1
None Remote Medium Not required None None Complete
Cisco IOS 12.0 through 12.2, when supporting SSH, allows remote attackers to cause a denial of service (CPU consumption) via a large packet that was designed to exploit the SSH CRC32 attack detection overflow (CVE-2001-0144).
29 CVE-2002-0813 119 DoS Overflow 2002-08-12 2008-09-05
7.1
None Remote Medium Not required None None Complete
Heap-based buffer overflow in the TFTP server capability in Cisco IOS 11.1, 11.2, and 11.3 allows remote attackers to cause a denial of service (reset) or modify configuration via a long filename.
30 CVE-2000-0486 DoS Overflow 2000-05-30 2008-09-10
5.0
None Remote Low Not required None None Partial
Buffer overflow in Cisco TACACS+ tac_plus server allows remote attackers to cause a denial of service via a malformed packet with a long length field.
31 CVE-1999-0230 Overflow 1997-12-15 2008-09-09
5.0
None Remote Low Not required None None Partial
Buffer overflow in Cisco 7xx routers through the telnet service.
Total number of vulnerabilities : 31   Page : 1 (This Page)
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