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Vulnerability Analysis Result (Revision No : 1) [ Download XML ] 
VRDA-100125-004
Cisco IOS XR Software SSH Denial of Service Vulnerability
http://www.cisco.com/warp/public/707/cisco-sa-20100120-xr-ssh.shtml

The SSH server implementation in Cisco IOS XR Software contains a vulnerability that an unauthenticated, remote user could exploit to cause a denial of service condition.




About This Analysis Information
Analysis Information Provider:
 		JPCERT/CC
 		First Published:
 		2010-01-25
Source Information Category:
 		Advisory, Alert
 		Last Updated:
 		2010-01-25




Affected Product Tags
cpe:/o:cisco:ios_xr     (Cisco IOS_XR)
 


Vulnerability Analysis Results
[Information Source Reliability] [?]
Low [?]

Medium [?]
X High [?]
[Impact Level] [?]
Low [?]

X Low-Medium [?]
Medium-High [?]
High [?]
[Access Required] [?]
Physical [?]

Local [?]
Non-routed [?]
X Routed [?]
[Authentication] [?]
Privileged [?]

Standard [?]
Limited [?]
X None or Unnecessary [?]
[User Interaction Required] [?]
Complex [?]

Simple [?]
X None [?]
[Technical Difficulty] [?]
High [?]

Medium-High [?]
Low-Medium [?]
Low [?]
[Availability of Remediation] [?]
X Official Patch [?]

Official Workaround [?]
Unofficial Patch [?]
None [?]
[Incident Activity] [?]
None [?]

X Exploit or PoC [?]
Activity Observed [?]
Alternatives




References
Common Vulnerabilities and Exposures (CVE) CVE-2010-0137
Unspecified vulnerability in the sshd_child_handler process in the SSHserver in Cisco IOS XR 3.4.1 through 3.7.0 allows remote attackers tocause a denial of service (process crash and memory consumption) via acrafted SSH2 packet, aka Bug ID CSCsu10574.




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