80039 : OpenSSL CMS / PKCS #7 Million Message Attack (MMA) Data Decryption Weakness
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Timeline

Disclosure Date
2012-03-13

Description

OpenSSL CMS and PKCS #7 contain a weakness that may allow a remote attacker to send a saturation of ciphertext to be decrypted, then uses the results of the decryption to select subsequent ciphertexts in a Million Message Attack (MMA). This may allow the attacker to decrypt certain operations.

Classification

Location: Context Dependent
Attack Type: Cryptographic
Impact: Loss of Confidentiality
Solution: Upgrade
Exploit: Exploit Unknown
Disclosure: Vendor Verified

Solution

Upgrade to version 1.0.0h or 0.9.8u or higher, as they have been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.

Products

The OpenSSL Project
OpenSSL
1.0.0g
0.9.8t
IBM Corporation
Hardware Management Console (HMC)
V7R7.6.0
V7R7.7.0 (not affected)
Smart Analytics System
1050 for Linux
2050 for Linux
5600 V1
5600 V2
5710
InfoSphere Balanced Warehouse
C3000
C4000
D5100
Tivoli Composite Application Manager for Transactions
7.1
7.2
7.3
7.3.0.1
Tivoli Workload Scheduler Distributed
8.6 FP02
8.5.1 FP04
8.5 FP03
8.4 FP07
Tivoli Workload Scheduler for Applications
8.6
8.5 FP01
8.4 FP02
Tivoli Network Manager IP Edition
3.8
3.9
3.8.0.7 (not affected)
3.9.0.3 (not affected)
Tivoli Netcool OMNIbus
7.2.1
7.3.0
7.3.1
7.4.0
7.2.1.14 (not affected)
7.3.0.12 (not affected)
7.3.17 (not affected)
7.4.0.2 (not affected)
Tivoli Network Manager
3.8 FP7
3.9 FP3
SONAS
1.1
1.3.2.2
1.3.2.3 (not affected)
DS8870
7.0
7.1
7.2 (not affected)
Tivoli Netcool System Service Monitors
4.0.0

References

Credit

CVSSv2 Score

CVSSv2 Base Score = 5.0
Source: nvd.nist.gov | Generated: 2012-03-13 | Disagree?

Access_vector_2 Access_complexity_2 Authentication_2 Confidentiality_impact_1 Integrity_impact_0 Availability_impact_0

Comments

No Comments.

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