The ssh_gssapi_parse_ename function in gss-serv.c in OpenSSH 5.8 and earlier, when gssapi-with-mic authentication is enabled, allows remote authenticated users to cause a denial of service (memory consumption) via a large value in a certain length field. NOTE: there may be limited scenarios in which this issue is relevant.
CVSS Severity (version 2.0):
Impact Subscore: 2.9
Exploitability Subscore: 6.8
CVSS Version 2 Metrics:
Access Vector: Network exploitable
Access Complexity: Medium
Authentication: Required to exploit
Impact Type: Allows disruption of service
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20110801 Useless OpenSSH resources exhausion bug via GSSAPI