CVE-2011-0766

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Summary

CVECVE-2011-0766
StatePUBLISHED
Assignercertcc
Source PriorityCVE Program / NVD first with legacy fallback
Published2011-05-31 20:55:01 UTC
Updated2026-04-29 01:13:23 UTC
DescriptionThe random number generator in the Crypto application before 2.0.2.2, and SSH before 2.0.5, as used in the Erlang/OTP ssh library before R14B03, uses predictable seeds based on the current time, which makes it easier for remote attackers to guess DSA host and SSH session keys.

Risk And Classification

Primary CVSS: v2.0 7.8 from [email protected]

AV:N/AC:L/Au:N/C:C/I:N/A:N

Problem Types: CWE-310 | n/a

CVSS v2.0 Breakdown

Access Vector
Network
Access Complexity
Low
Authentication
None
Confidentiality
Complete
Integrity
None
Availability
None

AV:N/AC:L/Au:N/C:C/I:N/A:N

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Erlang Crypto All All All All
Application Erlang Erlang/otp r11b-5 All All All
Application Erlang Erlang/otp r12b-5 All All All
Application Erlang Erlang/otp r13b All All All
Application Erlang Erlang/otp r13b02-1 All All All
Application Erlang Erlang/otp r13b03 All All All
Application Erlang Erlang/otp r13b04 All All All
Application Erlang Erlang/otp r14a All All All
Application Erlang Erlang/otp r14b All All All
Application Erlang Erlang/otp r14b01 All All All
Application Erlang Erlang/otp r14b02 All All All
Application Ssh Ssh All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na N/a affected n/a Not specified

References

ReferenceSourceLinkTags
Erlang/OTP SSH Insecure Random Number Generator Security Issue - Secunia.com af854a3a-2127-422b-91ae-364da2661108 secunia.com Vendor Advisory
Erlang/OTP SSH Library Random Number Generator Weakness af854a3a-2127-422b-91ae-364da2661108 www.securityfocus.com Third Party Advisory, VDB Entry
US-CERT Vulnerability Note VU#178990 - Erlang/OTP SSH library uses a weak random number generator af854a3a-2127-422b-91ae-364da2661108 www.kb.cert.org Patch, Third Party Advisory, US Government Resource
Merge branch 'maint-r14' into dev · erlang/otp@f228601 · GitHub af854a3a-2127-422b-91ae-364da2661108 github.com Patch
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
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