Multiple SSH2 servers and clients do not properly handle strings with null characters in them when the string length is specified by a length field, which could allow remote attackers to cause a denial of service or possibly execute arbitrary code due to interactions with the use of null-terminated strings as implemented using languages such as C, as demonstrated by the SSHredder SSH protocol test suite.
Publish Date : 2002-12-23 Last Update Date : 2009-03-04
| Cvss Score |
10.0 |
| Confidentiality Impact |
Complete
(There is total information disclosure, resulting in all system files being revealed.) |
| Integrity Impact |
Complete
(There is a total compromise of system integrity. There is a complete loss of system protection, resulting in the entire system being compromised.) |
| Availability Impact |
Complete
(There is a total shutdown of the affected resource. The attacker can render the resource completely unavailable.) |
| Access Complexity |
Low
(Specialized access conditions or extenuating circumstances do not exist. Very little knowledge or skill is required to exploit. ) |
| Authentication |
Not required
(Authentication is not required to exploit the vulnerability.) |
| Gained Access |
Admin |
| Vulnerability Type(s) |
Denial Of ServiceExecute Code |
| CWE ID |
20 |
OVAL (Open Vulnerability and Assessment Language) definitions define exactly what should be done to verify
a vulnerability or a missing patch. Check out the OVAL definitions
if you want to learn what you should do to verify a vulnerability.
