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CVE-2011-4121
DEB
Critical

The OpenSSL extension of Ruby (Git trunk) versions after 2011-09-01 up to 2011-11-03 always generated an exponent value of '1' to be used f…

CVSS
9.8
Critical
EPSS
0.03
p82
Published
2011-01-01
Updated
2011-01-01
Description

The OpenSSL extension of Ruby (Git trunk) versions after 2011-09-01 up to 2011-11-03 always generated an exponent value of '1' to be used for private RSA key generation. A remote attacker could use this flaw to bypass or corrupt integrity of services, depending on strong private RSA keys generation mechanism.

Tags · CWE
Pre-auth
CWE-326
CWE-330
CAPEC-20
CAPEC-59
CAPEC-112
CAPEC-192
CAPEC-485
Affected products
Ruby 1.8.7.334–1.9.3
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Timeline
2011-01-01
Published
2011-01-01
Updated
CVSS 3.1 breakdown
Attack Vector
AV: N
Network (N)
Attack Complexity
AC: L
Low (L)
Privileges Required
PR: N
None (N)
User Interaction
UI: N
None (N)
Scope
S: U
Unchanged (U)
Confidentiality Impact
C: H
High (H)
Integrity Impact
I: H
High (H)
Availability Impact
A: H
High (H)
Exploit indicators
EPSS
0.025 · p82
Known exploited (KEV)
No
MITRE ATT&CK
Inferred via CAPEC
└ via CAPEC-112 · CWE-326
└ via CAPEC-485 · CWE-330
Known exploits — Сканер-ВС
No Сканер-ВС checks registered for this vulnerability yet.
Affected products
ProductVendorStatus
ruby1.9.1Tracked
ruby*Tracked
Source databases
DEB
CVE