Home/CVE/The ssh_gssapi_parse_ename function in gss-serv.c in OpenSSH 5.8 and earlier, when gssapi-with-mic authentication is ena
CVE

CVE-2011-5000

The ssh_gssapi_parse_ename function in gss-serv.c in OpenSSH 5.8 and earlier, when gssapi-with-mic authentication is ena

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.

LOW · CVSS 3.5 EPSS 0.00222
Schedule remediation
  • Public exploit or PoC is available
Sigma rules2 YARA rules0
▤

Affected Products & Versions

2
openbsd openssh<= 5.8
openbsd opensshall versions
⚠

Public Exploits & PoCs

1
pocsite.pi3.com.pl · ssh_1.txtsite.pi3.com.pl
◈

Sigma Hunt Rules

2
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
productmediumSuspicious OpenSSH Daemon Error
productmediumOpenSSH Server Listening On Socket
▣

Scoring & Timeline

3.5
LOW · CVSS v2 (legacy) · cve@mitre.org
View on NVD
This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.
v2 Vector
AV:N/AC:M/Au:S/C:N/I:N/A:P
Published to NVD05 Apr 2012 · 02:55 PM
⚑

Vendor Advisories

1
rhsaRHSA-2012:0884Low
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://rhn.redhat.com/errata/RHSA-2012-0884.html
http://seclists.org/fulldisclosure/2011/Aug/2Exploit
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