PT-2019-6690 · Openssl · Openssl

Jan Lieskovsky · Published 2019-11-26 · Updated 2020-04-30 · CVE-2011-4121

Positive Technologies (AI Summary)

CVSS v2.0

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions OpenSSL extension of Ruby (Git trunk) versions after 2011-09-01 up to 2011-11-03

Description The issue allows a remote attacker to bypass or corrupt the integrity of services that rely on strong private RSA key generation mechanisms, due to the generation of an exponent value of '1' for private RSA key generation.

Recommendations For versions after 2011-09-01 up to 2011-11-03, at the moment, there is no information about a newer version that contains a fix for this vulnerability.

Inadequate Encryption Strength

Weakness Enumeration

CWE-326

Related Identifiers

CVE-2011-4121

Affected Products

Openssl

References · 6

• https://nvd.nist.gov/vuln/detail/CVE-2011-4121 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2011-4121 · Vendor Advisory
• https://access.redhat.com/security/cve/cve-2011-4121 · Note
• http://openwall.com/lists/oss-security/2013/07/01/1 · Note
• https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2011-4121 · Note
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-4121 · Note