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Security Bulletin: Multiple vulnerabilities in apache2 affect IBM Flex System Manager (FSM)

Description

## Summary Multiple vulnerabilities have been identified in apache2 that is embedded in the FSM. This bulletin addresses these vulnerabilities. ## Vulnerability Details **CVEID:** [_CVE-2017-3167_](<https://vulners.com/cve/CVE-2017-3167>)** DESCRIPTION:** Apache HTTPD could allow a remote attacker to bypass security restrictions, caused by the use of the ap_get_basic_auth_pw() function by third-party modules outside of the authentication phase. A remote attacker could exploit this vulnerability to bypass authentication requirements. CVSS Base Score: 5.3 CVSS Temporal Score: See [_https://exchange.xforce.ibmcloud.com/vulnerabilities/127416_](<https://exchange.xforce.ibmcloud.com/vulnerabilities/127416>) 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:L/A:N) **CVEID:** [_CVE-2017-7668_](<https://vulners.com/cve/CVE-2017-7668>)** DESCRIPTION:** Apache HTTPD is vulnerable to a denial of service, caused by a buffer overread in the ap_find_token() function. By sending a specially crafted sequence of request headers, a remote attacker could exploit this vulnerability to cause a segmentation fault. CVSS Base Score: 5.3 CVSS Temporal Score: See [_https://exchange.xforce.ibmcloud.com/vulnerabilities/127419_](<https://exchange.xforce.ibmcloud.com/vulnerabilities/127419>) 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-2017-3169_](<https://vulners.com/cve/CVE-2017-3169>)** DESCRIPTION:** Apache HTTPD is vulnerable to a denial of service, caused by a NULL pointer dereference in mod_ssl. By sending a specially crafted HTTP request to an HTTPS port, a remote attacker could exploit this vulnerability to cause a denial of service. CVSS Base Score: 5.3 CVSS Temporal Score: See [_https://exchange.xforce.ibmcloud.com/vulnerabilities/127417_](<https://exchange.xforce.ibmcloud.com/vulnerabilities/127417>) 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-2017-9798_](<https://vulners.com/cve/CVE-2017-9798>)** DESCRIPTION:** Apache HTTP Server could allow a remote attacker to obtain sensitive information, caused by a flaw in the HTTP OPTIONS method, aka Optionsbleed. By sending an OPTIONS HTTP request, a remote attacker could exploit this vulnerability to obtain sensitive information. CVSS Base Score: 7.5 CVSS Temporal Score: See [_https://exchange.xforce.ibmcloud.com/vulnerabilities/132159_](<https://exchange.xforce.ibmcloud.com/vulnerabilities/132159>) for the current score CVSS Environmental Score*: Undefined CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N) **CVEID:** [_CVE-2017-7679_](<https://vulners.com/cve/CVE-2017-7679>)** DESCRIPTION:** Apache HTTPD could allow a remote attacker to obtain sensitive information, caused by a buffer overread in mod_mime. By sending a specially crafted Content-Type response header, a remote attacker could exploit this vulnerability to read one byte past the end of a buffer. CVSS Base Score: 5.3 CVSS Temporal Score: See [_https://exchange.xforce.ibmcloud.com/vulnerabilities/127420_](<https://exchange.xforce.ibmcloud.com/vulnerabilities/127420>) for the current score CVSS Environmental Score*: Undefined 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 Flex System Manager 1.3.4.2 Flex System Manager 1.3.4.1 Flex System Manager 1.3.4.0 Flex System Manager 1.3.3.2 Flex System Manager 1.3.3.1 Flex System Manager 1.3.3.0 Flex System Manager 1.3.2.3 Flex System Manager 1.3.2.2 Flex System Manager 1.3.2.1 Flex System Manager 1.3.2.0 ## Remediation/Fixes IBM recommends updating the FSM and all affected remote Common Agent Services (CAS) endpoints using the instructions referenced in this table. Product| VRMF| Remediation ---|---|--- Flex System Manager| 1.3.4.0 1.3.4.1 1.3.4.2| Navigate to the [_Support Portal_](<https://www.ibm.com/support/entry/portal/support/>)_ _and search for technote [847550927](<http://www-01.ibm.com/support/docview.wss?uid=nas769be7782d8bdfd878625825700552750>) for instructions on installing updates for FSM version 1.3.4 and Agents. Flex System Manager| 1.3.3.0 1.3.3.1 1.3.3.2| Navigate to the [_Support Portal_](<https://www.ibm.com/support/entry/portal/support/>)_ _and search for technote [847550927](<http://www-01.ibm.com/support/docview.wss?uid=nas769be7782d8bdfd878625825700552750>) for instructions on installing updates for FSM version 1.3.3 and Agents. Flex System Manager| 1.3.2.0 1.3.2.1 1.3.2.2 1.3.2.3| Navigate to the [_Support Portal_](<https://www.ibm.com/support/entry/portal/support/>)_ _and search for technote [847550927](<http://www-01.ibm.com/support/docview.wss?uid=nas769be7782d8bdfd878625825700552750>) for instructions on installing updates for FSM version 1.3.2 and Agents. For all other VRMF IBM recommends upgrading to a fixed, supported version/release of the product. Note: Installation of the fixes provided in the technote will install a cumulative fix package that will update the version of the FSM. Reference the technote for more details. You should verify applying this fix does not cause any compatibility issues. The fix may disable older encrypted protocols by default. IBM recommends that you review your entire environment to identify other areas where you have enabled weak encryption and take appropriate mitigation and remediation actions. For a complete listing of FSM security iFixes go to this technote: [http://www-01.ibm.com/support/docview.wss?uid=nas7797054ebc3d9857486258027006ce4a0&myns=purflex&mync=E&cm_sp=purflex-_-NULL-_-E](<http://www-01.ibm.com/support/docview.wss?uid=nas7797054ebc3d9857486258027006ce4a0&myns=purflex&mync=E&cm_sp=purflex-_-NULL-_-E>) ## Workarounds and Mitigations None ##


Affected Software


CPE Name Name Version
flex system manager node any

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