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Security Bulletin: Vulnerability in MD5 Signature and Hash Algorithm affects IBM Security Network Intrusion Prevention System (CVE-2015-7575)

Description

## Summary The MD5 “SLOTH” vulnerability on TLS 1.2 affects IBM Security Network Intrusion Prevention System. ## Vulnerability Details **CVEID:** [_CVE-2015-7575_](<https://vulners.com/cve/CVE-2015-7575>)** DESCRIPTION:** The TLS protocol could allow weaker than expected security caused by a collision attack when using the MD5 hash function for signing a ServerKeyExchange message during a TLS handshake. An attacker could exploit this vulnerability using man-in-the-middle techniques to impersonate a TLS server and obtain credentials. CVSS Base Score: 7.1 CVSS Temporal Score: See [_https://exchange.xforce.ibmcloud.com/vulnerabilities/109415_](<https://exchange.xforce.ibmcloud.com/vulnerabilities/109415>) for the current score CVSS Environmental Score*: Undefined CVSS Vector: (AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N) ## Affected Products and Versions Products: GX3002, GX4002, GX4004, GX4004-v2, GX5008, GX5008-v2, GX5108, GX5108-v2, GX5208, GX5208-v2, GX6116, GX7412, GX7412-10, GX7412-05, GX7800, GV200, GV1000 Firmware versions 4.6.2, and 4.6.1 ## Remediation/Fixes _Product_ | _VRMF_| _Remediation/First Fix_ ---|---|--- IBM Security Network Intrusion Prevention System | Firmware version 4.6.2| [_4.6.2.0-ISS-ProvG-AllModels-System-FP0012_](<http://www-933.ibm.com/support/fixcentral/swg/selectFixes?parent=Security+Systems&product=ibm/Tivoli/Proventia+Network+Intrusion+Prevention+System&release=All&platform=All&function=all>) IBM Security Network Intrusion Prevention System | Firmware version 4.6.1| [_4.6.1.0-ISS-ProvG-AllModels-System-FP0016_](<http://www-933.ibm.com/support/fixcentral/swg/selectFixes?parent=Security+Systems&product=ibm/Tivoli/Proventia+Network+Intrusion+Prevention+System&release=All&platform=All&function=all>) You should verify applying this fix does not cause any compatibility issues. The fix disables MD5 signature hash by default. If you change the default setting after applying the fix, you will expose yourself to the attack described above. IBM recommends that you review your entire environment to identify other areas where you have enabled the MD5 signature hash and take appropriate mitigation and remediation actions. ## Workarounds and Mitigations None ##


Affected Software


CPE Name Name Version
proventia network intrusion prevention system 4.6.1
proventia network intrusion prevention system 4.6.2

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