CVE-2012-0884

openssl: CMS and PKCS#7 Bleichenbacher attack

Published Mar 13, 2012 CVSS 2.0 · 5.0 Medium EPSS 13.2% KEV · Not listed
Description
The implementation of Cryptographic Message Syntax (CMS) and PKCS #7 in OpenSSL before 0.9.8u and 1.x before 1.0.0h does not properly restrict certain oracle behavior, which makes it easier for context-dependent attackers to decrypt data via a Million Message Attack (MMA) adaptive chosen ciphertext attack.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DSA Debian DSA DSA-2454-1 openssl security update
EUVD EUVD EUVD-2012-0907 The implementation of Cryptographic Message Syntax (CMS) and PKCS #7 in OpenSSL before 0.9.8u and 1.x before 1.0.0h does not properly restrict certain oracle behavior, which makes it easier for context-dependent attackers to decrypt data via a Million Message Attack (MMA) adaptive chosen ciphertext attack.
Ubuntu USN Ubuntu USN USN-1451-1 OpenSSL vulnerabilities
History
Type Values Removed Values Added
Metrics epss

{'score': 0.02848}

epss

{'score': 0.02551}

Weaknesses

Sources

Status
PUBLISHED
Assigner
redhat
Published
Updated
Aug 6, 2024, 6:38 PM
Reserved
Jan 19, 2012, 12:00 AM
Status
Modified
Published
Mar 13, 2012, 3:12 AM
Modified
Jun 16, 2026, 11:38 PM
Severity
Low
Public date
Mar 12, 2012, 12:00 AM