5.0
MEDIUM
CVE-2012-0884
OpenSSL CMS PKCS #7 Crytpographic Message Signature Downgrade
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.

INFO

Published Date :

March 13, 2012, 3:12 a.m.

Last Modified :

April 11, 2025, 12:51 a.m.

Remotely Exploitable :

Yes !

Impact Score :

2.9

Exploitability Score :

10.0
Public PoC/Exploit Available at Github

CVE-2012-0884 has a 3 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

Affected Products

The following products are affected by CVE-2012-0884 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Openssl openssl
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2012-0884.

URL Resource
http://lists.fedoraproject.org/pipermail/package-announce/2012-April/077086.html
http://lists.fedoraproject.org/pipermail/package-announce/2012-April/077221.html
http://lists.fedoraproject.org/pipermail/package-announce/2012-April/077666.html
http://lists.fedoraproject.org/pipermail/package-announce/2012-November/092905.html
http://marc.info/?l=bugtraq&m=133728068926468&w=2
http://marc.info/?l=bugtraq&m=133728068926468&w=2
http://marc.info/?l=bugtraq&m=133951357207000&w=2
http://marc.info/?l=bugtraq&m=133951357207000&w=2
http://marc.info/?l=bugtraq&m=134039053214295&w=2
http://marc.info/?l=bugtraq&m=134039053214295&w=2
http://rhn.redhat.com/errata/RHSA-2012-0426.html
http://rhn.redhat.com/errata/RHSA-2012-0488.html
http://rhn.redhat.com/errata/RHSA-2012-0531.html
http://rhn.redhat.com/errata/RHSA-2012-1306.html
http://rhn.redhat.com/errata/RHSA-2012-1307.html
http://rhn.redhat.com/errata/RHSA-2012-1308.html
http://secunia.com/advisories/48580
http://secunia.com/advisories/48895
http://secunia.com/advisories/48916
http://secunia.com/advisories/57353
http://www-01.ibm.com/support/docview.wss?uid=ssg1S1004564
http://www.debian.org/security/2012/dsa-2454
http://www.kb.cert.org/vuls/id/737740 US Government Resource
http://www.openssl.org/news/secadv_20120312.txt Vendor Advisory
https://downloads.avaya.com/css/P8/documents/100162507
https://hermes.opensuse.org/messages/14330767
http://lists.fedoraproject.org/pipermail/package-announce/2012-April/077086.html
http://lists.fedoraproject.org/pipermail/package-announce/2012-April/077221.html
http://lists.fedoraproject.org/pipermail/package-announce/2012-April/077666.html
http://lists.fedoraproject.org/pipermail/package-announce/2012-November/092905.html
http://marc.info/?l=bugtraq&m=133728068926468&w=2
http://marc.info/?l=bugtraq&m=133728068926468&w=2
http://marc.info/?l=bugtraq&m=133951357207000&w=2
http://marc.info/?l=bugtraq&m=133951357207000&w=2
http://marc.info/?l=bugtraq&m=134039053214295&w=2
http://marc.info/?l=bugtraq&m=134039053214295&w=2
http://rhn.redhat.com/errata/RHSA-2012-0426.html
http://rhn.redhat.com/errata/RHSA-2012-0488.html
http://rhn.redhat.com/errata/RHSA-2012-0531.html
http://rhn.redhat.com/errata/RHSA-2012-1306.html
http://rhn.redhat.com/errata/RHSA-2012-1307.html
http://rhn.redhat.com/errata/RHSA-2012-1308.html
http://secunia.com/advisories/48580
http://secunia.com/advisories/48895
http://secunia.com/advisories/48916
http://secunia.com/advisories/57353
http://www-01.ibm.com/support/docview.wss?uid=ssg1S1004564
http://www.debian.org/security/2012/dsa-2454
http://www.kb.cert.org/vuls/id/737740 US Government Resource
http://www.openssl.org/news/secadv_20120312.txt Vendor Advisory
https://downloads.avaya.com/css/P8/documents/100162507
https://hermes.opensuse.org/messages/14330767

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Threat-TLS monitors and detects vulnerable or malicious TLS connections from servers, identifying weak configurations and attack patterns to mitigate risks.

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Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2012-0884 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2012-0884 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference http://lists.fedoraproject.org/pipermail/package-announce/2012-April/077086.html
    Added Reference http://lists.fedoraproject.org/pipermail/package-announce/2012-April/077221.html
    Added Reference http://lists.fedoraproject.org/pipermail/package-announce/2012-April/077666.html
    Added Reference http://lists.fedoraproject.org/pipermail/package-announce/2012-November/092905.html
    Added Reference http://marc.info/?l=bugtraq&m=133728068926468&w=2
    Added Reference http://marc.info/?l=bugtraq&m=133728068926468&w=2
    Added Reference http://marc.info/?l=bugtraq&m=133951357207000&w=2
    Added Reference http://marc.info/?l=bugtraq&m=133951357207000&w=2
    Added Reference http://marc.info/?l=bugtraq&m=134039053214295&w=2
    Added Reference http://marc.info/?l=bugtraq&m=134039053214295&w=2
    Added Reference http://rhn.redhat.com/errata/RHSA-2012-0426.html
    Added Reference http://rhn.redhat.com/errata/RHSA-2012-0488.html
    Added Reference http://rhn.redhat.com/errata/RHSA-2012-0531.html
    Added Reference http://rhn.redhat.com/errata/RHSA-2012-1306.html
    Added Reference http://rhn.redhat.com/errata/RHSA-2012-1307.html
    Added Reference http://rhn.redhat.com/errata/RHSA-2012-1308.html
    Added Reference http://secunia.com/advisories/48580
    Added Reference http://secunia.com/advisories/48895
    Added Reference http://secunia.com/advisories/48916
    Added Reference http://secunia.com/advisories/57353
    Added Reference http://www.debian.org/security/2012/dsa-2454
    Added Reference http://www.kb.cert.org/vuls/id/737740
    Added Reference http://www.openssl.org/news/secadv_20120312.txt
    Added Reference http://www-01.ibm.com/support/docview.wss?uid=ssg1S1004564
    Added Reference https://downloads.avaya.com/css/P8/documents/100162507
    Added Reference https://hermes.opensuse.org/messages/14330767
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Jan. 10, 2018

    Action Type Old Value New Value
    Added Reference http://rhn.redhat.com/errata/RHSA-2012-0426.html [No Types Assigned]
  • CVE Modified by [email protected]

    Dec. 06, 2017

    Action Type Old Value New Value
    Added Reference http://secunia.com/advisories/48580 [No Types Assigned]
    Added Reference http://lists.fedoraproject.org/pipermail/package-announce/2012-April/077221.html [No Types Assigned]
  • CVE Modified by [email protected]

    Aug. 23, 2016

    Action Type Old Value New Value
    Added Reference http://marc.info/?l=bugtraq&m=133951357207000&w=2
    Added Reference http://marc.info/?l=bugtraq&m=133728068926468&w=2
  • Initial Analysis by [email protected]

    Mar. 13, 2012

    Action Type Old Value New Value
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2012-0884 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2012-0884 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

3.35 }} 1.95%

score

0.86611

percentile

CVSS2 - Vulnerability Scoring System
Access Vector
Access Complexity
Authentication
Confidentiality
Integrity
Availability