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Security Bulletin: IBM Sterling File Gateway is vulnerable to multiple issues due to Bouncy Castle

## Summary

IBM Sterliing File Gateway has addressed multiple security vulnerabilities in Bouncy Castle.

## Vulnerability Details

** CVEID: **[CVE-2016-1000343]()
** DESCRIPTION: **Bouncy Castle JCE Provider could provide weaker than expected security, caused by a flaw in the DSA key pair generator. A remote attacker could exploit this vulnerability to launch further attacks.
CVSS Base score: 7.3
CVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/151810]() for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)

** CVEID: **[CVE-2016-1000342]()
** DESCRIPTION: **Bouncy Castle JCE Provider could provide weaker than expected security, caused by improper validation of ASN.1 encoding of signature in the ECDSA. A remote attacker could exploit this vulnerability to launch further attacks.
CVSS Base score: 7.3
CVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/151811]() for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)

** CVEID: **[CVE-2018-1000180]()
** DESCRIPTION: **Bouncy Castle could provide weaker than expected security, caused by an error in the Low-level interface to RSA key pair generator. The RSA Key Pairs generated in low-level API with added certainty may have less M-R tests than expected. An attacker could exploit this vulnerability to launch further attacks on the system.
CVSS Base score: 5.3
CVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/144810]() for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N)

** CVEID: **[CVE-2016-1000340]()
** DESCRIPTION: **Bouncy Castle JCE Provider could provide weaker than expected security, caused by a carry propagation bug in the implementation of squaring for several raw math classes. A remote attacker could exploit this vulnerability to launch further attack.
CVSS Base score: 7.3
CVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/151813]() for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)

** CVEID: **[CVE-2016-1000338]()
** DESCRIPTION: **Bouncy Castle JCE Provider could provide weaker than expected security, caused by improper validation of ASN.1 encoding of signature in the DSA. A remote attacker could exploit this vulnerability to launch further attacks.
CVSS Base score: 7.3
CVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/151815]() for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)

** CVEID: **[CVE-2016-1000344]()
** DESCRIPTION: **Bouncy Castle JCE Provider could provide weaker than expected security, caused by a flaw in the DHIES implementation. A remote attacker could exploit this vulnerability to launch further attacks on the system.
CVSS Base score: 7.3
CVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/151809]() for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)

** CVEID: **[CVE-2016-1000352]()
** DESCRIPTION: **Bouncy Castle JCE Provider could provide weaker than expected security, caused by a flaw in the ECIES implementation. A remote attacker could exploit this vulnerability to launch further attacks on the system.
CVSS Base score: 7.3
CVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/151806]() for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)

** CVEID: **[CVE-2016-1000345]()
** DESCRIPTION: **Bouncy Castle JCE Provider could provide weaker than expected security, caused by an environment where timings can be easily observed. A remote attacker could exploit this vulnerability to conduct a padding oracle attack.
CVSS Base score: 5.3
CVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/151808]() for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N)

** CVEID: **[CVE-2020-15522]()
** DESCRIPTION: **Bouncy Castle BC Java, BC C# .NET, BC-FJA, BC-FNA could allow a remote attacker to obtain sensitive information, caused by a timing issue within the EC math library. By utilize cryptographic attack techniques, an attacker could exploit this vulnerability to obtain the private key information, and use this information to launch further attacks against the affected system.
CVSS Base score: 5.9
CVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/202188]() for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N)

** CVEID: **[CVE-2017-13098]()
** DESCRIPTION: **Bouncy Castle could allow a remote attacker to obtain sensitive information, caused by an RSA Adaptive Chosen Ciphertext (Bleichenbacher) attack. By utilizing discrepancies in TLS error messages, an attacker could exploit this vulnerability to obtain the data in the encrypted messages once the TLS session has completed. Note: This vulnerability is also known as the ROBOT attack.
CVSS Base score: 5.3
CVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/136241]() for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N)

** CVEID: **[CVE-2016-1000341]()
** DESCRIPTION: **Bouncy Castle JCE Provider could provide weaker than expected security, caused by a flaw in the DSA signature generation. A remote attacker could exploit this vulnerability to launch timing attacks.
CVSS Base score: 7.3
CVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/151812]() for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)

** CVEID: **[CVE-2020-26939]()
** DESCRIPTION: **Legion of the Bouncy Castle BC and Legion of the Bouncy Castle BC-FJA could allow a remote attacker to obtain sensitive information, caused by observable differences in behavior to rrror inputs in org.bouncycastle.crypto.encodings.OAEPEncoding. By using the OAEP Decoder to send invalid ciphertext that decrypts to a short payload, a remote attacker could exploit this vulnerability to obtain sensitive information and use this information to launch further attacks against the affected system.
CVSS Base score: 5.3
CVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/191108]() for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N)

** CVEID: **[CVE-2016-1000339]()
** DESCRIPTION: **Bouncy Castle JCE Provider could allow a remote attacker to obtain sensitive information, caused by a flaw in the AESEngine. An attacker could exploit this vulnerability to obtain sensitive information.
CVSS Base score: 5.3
CVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/151814]() for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N)

** CVEID: **[CVE-2016-1000346]()
** DESCRIPTION: **Bouncy Castle JCE Provider could allow a remote attacker to obtain sensitive information, caused by a flaw in the other party DH public key. A remote attacker could exploit this vulnerability to reveal details via invalid keys.
CVSS Base score: 5.3
CVSS Temporal Score: See: [ https://exchange.xforce.ibmcloud.com/vulnerabilities/151807]() for the current score.
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N)

## Affected Products and Versions

**Affected Product(s)**| **Version(s)**
—|—
IBM Sterling File Gateway| 6.0.0.0 – 6.0.3.6
IBM Sterling File Gateway| 6.1.0.0 – 6.1.0.4
IBM Sterling File Gateway| 6.1.1.0 – 6.1.1.1

## Remediation/Fixes

**Product
**| **Version**| **APAR**| **Remediation & Fix**
—|—|—|—
IBM Sterling File Gateway| 6.0.0.0 – 6.0.3.6| IT40669| Apply 6.0.3.7, 6.1.0.5, 6.1.1.2 or 6.1.2.0
IBM Sterling File Gateway| 6.1.0.0 – 6.1.0.4| IT40669| Apply 6.1.0.5, 6.1.1.2 or 6.1.2.0
IBM Sterling File Gateway| 6.1.1.0 – 6.1.1.1| IT40669| Apply 6.1.1.2 or 6.1.2.0

The version 6.0.3.7, 6.1.0.5 and 6.1.1.2 are available on [Fix Central](). The IIM version of 6.1.2.0 is available in IBM Passport Advantage. The container version of 6.1.2.0 is available in IBM Entitled Registry with the tag cp.icr.io/cp/ibm-sfg/sfg:6.1.2.0.

## Workarounds and Mitigations

None

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### References

[Complete CVSS v3 Guide]( “Link resides outside of ibm.com” )
[On-line Calculator v3]( “Link resides outside of ibm.com” )

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## Related Information

[IBM Secure Engineering Web Portal]()
[IBM Product Security Incident Response Blog]()

## Change History

06 Oct 2022: Initial Publication

*The CVSS Environment Score is customer environment specific and will ultimately impact the Overall CVSS Score. Customers can evaluate the impact of this vulnerability in their environments by accessing the links in the Reference section of this Security Bulletin.

## Disclaimer

According to the Forum of Incident Response and Security Teams (FIRST), the Common Vulnerability Scoring System (CVSS) is an “industry open standard designed to convey vulnerability severity and help to determine urgency and priority of response.” IBM PROVIDES THE CVSS SCORES “”AS IS”” WITHOUT WARRANTY OF ANY KIND, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. CUSTOMERS ARE RESPONSIBLE FOR ASSESSING THE IMPACT OF ANY ACTUAL OR POTENTIAL SECURITY VULNERABILITY. In addition to other efforts to address potential vulnerabilities, IBM periodically updates the record of components contained in our product offerings. As part of that effort, if IBM identifies previously unidentified packages in a product/service inventory, we address relevant vulnerabilities regardless of CVE date. Inclusion of an older CVEID does not demonstrate that the referenced product has been used by IBM since that date, nor that IBM was aware of a vulnerability as of that date. We are making clients aware of relevant vulnerabilities as we become aware of them. “Affected Products and Versions” referenced in IBM Security Bulletins are intended to be only products and versions that are supported by IBM and have not passed their end-of-support or warranty date. Thus, failure to reference unsupported or extended-support products and versions in this Security Bulletin does not constitute a determination by IBM that they are unaffected by the vulnerability. Reference to one or more unsupported versions in this Security Bulletin shall not create an obligation for IBM to provide fixes for any unsupported or extended-support products or versions.

## Document Location

Worldwide

[{“Business Unit”:{“code”:”BU059″,”label”:”IBM Software w/o TPS”},”Product”:{“code”:”SSMJDR”,”label”:”IBM Sterling File Gateway”},”Component”:””,”Platform”:[{“code”:”PF016″,”label”:”Linux”},{“code”:”PF033″,”label”:”Windows”},{“code”:”PF002″,”label”:”AIX”},{“code”:”PF027″,”label”:”Solaris”},{“code”:”PF010″,”label”:”HP-UX”}],”Version”:”6.0.0.0 – 6.1.2.0″,”Edition”:””,”Line of Business”:{“code”:”LOB59″,”label”:”Sustainability Software”}}]Read More

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