Vulnerability Details : CVE-2013-4783
The Dell iDRAC6 with firmware 1.x before 1.92 and 2.x and 3.x before 3.42, and iDRAC7 with firmware before 1.23.23, allows remote attackers to bypass authentication and execute arbitrary IPMI commands by using cipher suite 0 (aka cipher zero) and an arbitrary password. NOTE: the vendor disputes the significance of this issue, stating "DRAC's are intended to be on a separate management network; they are not designed nor intended to be placed on or connected to the Internet."
Products affected by CVE-2013-4783
- cpe:2.3:h:dell:idrac6_bmc:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2013-4783
5.41%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 90 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2013-4783
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
10.0
|
HIGH | AV:N/AC:L/Au:N/C:C/I:C/A:C |
10.0
|
10.0
|
NIST |
CWE ids for CVE-2013-4783
-
When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.Assigned by: nvd@nist.gov (Primary)
References for CVE-2013-4783
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http://www.wired.com/threatlevel/2013/07/ipmi/
Hacker Holes in Server Management System Allow 'Almost-Physical' Access | WIRED
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http://www.metasploit.com/modules/auxiliary/scanner/ipmi/ipmi_cipher_zero
IPMI 2.0 Cipher Zero Authentication Bypass Scanner
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http://fish2.com/ipmi/cipherzero.html
The Infamous Cipher Zero
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ftp://ftp.dell.com/Manuals/Common/integrated-dell-remote-access-cntrllr-6-for-monolithic-srvr-v1.95_FAQ2_en-us.pdf
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https://lists.gnu.org/archive/html/freeipmi-devel/2013-02/msg00013.html
[Freeipmi-devel] The Infamous Cipher Zero, I presume?
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http://osvdb.org/show/osvdb/93039
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http://en.community.dell.com/techcenter/systems-management/w/wiki/4929.how-to-check-if-ipmi-cipher-0-is-off.aspx
Access Denied
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