CVE-2011-5000

Public Exploit

Description

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.

Category

3.5
CVSS
Severity: Low
CVSS 2.0 •
EPSS 0.86% Top 30%
Vendor Advisory redhat.com
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://seclists.org/fulldisclosure/2011/Aug/2 mailing list exploit
http://rhn.redhat.com/errata/RHSA-2012-0884.html vendor advisory
http://site.pi3.com.pl/adv/ssh_1.txt exploit

Frequently Asked Questions

What is the severity of CVE-2011-5000?
CVE-2011-5000 has been scored as a low severity vulnerability.
How to fix CVE-2011-5000?
To fix CVE-2011-5000, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2011-5000 being actively exploited in the wild?
It is possible that CVE-2011-5000 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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