Security Bulletin: Open Source OpenSSL Vulnerabilities affect IBM Network Advisor

Security Bulletin

Summary

Open Source OpenSSL Vulnerabilities affect IBM Network Advisor (CVE-2016-7053, CVE-2016-7054, CVE-2016-7055

Vulnerability Details

CVEID: CVE-2016-7053
DESCRIPTION: OpenSSL is vulnerable to a denial of service, caused by a NULL pointer dereference when processing invalid encodings in the ASN.1 ''CHOICE'' type. By sending specially crafted cryptographic message syntax (CMS) structures, a remote attacker could exploit this vulnerability to cause the application to crash.
CVSS Base Score: 5.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/118746 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)

CVEID: CVE-2016-7054
DESCRIPTION: OpenSSL is vulnerable to a denial of service, caused by a heap-based buffer overflow. By sending specially crafted payloads via a TLS connection using *-CHACHA20-POLY1305 ciphersuites, a remote attacker could exploit this vulnerability to overflow a buffer and cause the application to crash.
CVSS Base Score: 5.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/118747 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)

CVEID: CVE-2016-7055
DESCRIPTION: OpenSSL is vulnerable to a denial of service, caused by an error in a Broadwell-specific Montgomery multiplication procedure. By sending specially crafted data, a remote attacker could exploit this vulnerability to trigger errors in public-key operations in configurations where multiple remote clients select an affected EC algorithm and cause a denial of service.
CVSS Base Score: 5.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/118748 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)

Affected Products and Versions

IBM Network Advisor prior to 14.0.2

Remediation/Fixes

Fixed in IBM Network Advisor 14.0.2

Workarounds and Mitigations

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References

Complete CVSS v2 Guide
On-line Calculator v2

Complete CVSS v3 Guide
On-line Calculator v3

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Change History

07-23-2017: Initial Publish

*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

Review the IBM security bulletin disclaimer and definitions regarding your responsibilities for assessing potential impact of security vulnerabilities to your environment.

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Tips

Security Bulletin: Open Source OpenSSL Vulnerabilities affect IBM Network Advisor