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cve[email protected]CVE-2014-2734
HistoryApr 24, 2014 - 11:55 p.m.

CVE-2014-2734

2014-04-2423:55:05
CWE-399
web.nvd.nist.gov
30
openssl
ruby
remote attackers
spoofing
signatures
nvd
cve-2014-2734

5.8 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:M/Au:N/C:P/I:P/A:N

6.9 Medium

AI Score

Confidence

Low

0.032 Low

EPSS

Percentile

91.2%

The openssl extension in Ruby 2.x does not properly maintain the state of process memory after a file is reopened, which allows remote attackers to spoof signatures within the context of a Ruby script that attempts signature verification after performing a certain sequence of filesystem operations. NOTE: this issue has been disputed by the Ruby OpenSSL team and third parties, who state that the original demonstration PoC contains errors and redundant or unnecessarily-complex code that does not appear to be related to a demonstration of the issue. As of 20140502, CVE is not aware of any public comment by the original researcher

Affected configurations

NVD
Node
ruby-langrubyMatch2.0
OR
ruby-langrubyMatch2.0.0
OR
ruby-langrubyMatch2.0.0p0
OR
ruby-langrubyMatch2.0.0p195
OR
ruby-langrubyMatch2.0.0p247
OR
ruby-langrubyMatch2.0.0preview1
OR
ruby-langrubyMatch2.0.0preview2
OR
ruby-langrubyMatch2.0.0rc1
OR
ruby-langrubyMatch2.0.0rc2
OR
ruby-langrubyMatch2.1-
OR
ruby-langrubyMatch2.1preview1
OR
ruby-langrubyMatch2.1.1

5.8 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:M/Au:N/C:P/I:P/A:N

6.9 Medium

AI Score

Confidence

Low

0.032 Low

EPSS

Percentile

91.2%

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