logo
DATABASE RESOURCES PRICING ABOUT US

Security Bulletin: IBM Flex System Manager (FSM) is affected by multiple liblxm2 vulnerabilities

Description

## Summary Multiple security vulnerabilities have been discovered in libxml2 that is embedded in the IBM FSM. This bulletin addresses these vulnerabilities. ## Vulnerability Details **CVEID:** [_CVE-2015-1819_](<https://vulners.com/cve/CVE-2015-1819>)** DESCRIPTION:** Libxml is vulnerable to a denial of service, caused by an XML External Entity Injection (XXE) error in the xmlreader when processing XML data. A remote attacker could exploit this vulnerability to consume all available memory resources. CVSS Base Score: 5.3 CVSS Temporal Score: See [_https://exchange.xforce.ibmcloud.com/vulnerabilities/107272_](<https://exchange.xforce.ibmcloud.com/vulnerabilities/107272>) 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-2015-5312_](<https://vulners.com/cve/CVE-2015-5312>)** DESCRIPTION:** An unspecified error in Libxml2 related to an entity expansion flaw has an unknown impact and attack vector. CVSS Base Score: 5.3 CVSS Temporal Score: See [_https://exchange.xforce.ibmcloud.com/vulnerabilities/108319_](<https://exchange.xforce.ibmcloud.com/vulnerabilities/108319>) 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-2015-7497_](<https://vulners.com/cve/CVE-2015-7497>)** DESCRIPTION:** Libxml2 is vulnerable to a denial of service, caused by a heap-based buffer overflow in the xmlDictComputeFastQKey() function. 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/108320_](<https://exchange.xforce.ibmcloud.com/vulnerabilities/108320>) 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-2015-7498_](<https://vulners.com/cve/CVE-2015-7498>)** DESCRIPTION:** An unspecified error in Libxml2 related to the processing of entities after encoding conversion failures have occured has an unknown impact and attack vector. CVSS Base Score: 5.3 CVSS Temporal Score: See [_https://exchange.xforce.ibmcloud.com/vulnerabilities/108321_](<https://exchange.xforce.ibmcloud.com/vulnerabilities/108321>) 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-2015-7499_](<https://vulners.com/cve/CVE-2015-7499>)** DESCRIPTION:** An unspecified error in Libxml2 related to some parser errors has an unknown impact and attack vector. CVSS Base Score: 5.3 CVSS Temporal Score: See [_https://exchange.xforce.ibmcloud.com/vulnerabilities/108322_](<https://exchange.xforce.ibmcloud.com/vulnerabilities/108322>) 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-2015-7500_](<https://vulners.com/cve/CVE-2015-7500>)** DESCRIPTION:** Libxml2 is vulnerable to a denial of service, caused by a memory access error when handling invalid entity boundaries. 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/108323_](<https://exchange.xforce.ibmcloud.com/vulnerabilities/108323>) 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-2015-7941_](<https://vulners.com/cve/CVE-2015-7941>)** DESCRIPTION:** Libxml2 is vulnerable to a denial of service, caused by a heap-based buffer overflow in the xmlParseEntityDecl or xmlParseConditionalSections function. By using specially-crafted XML data, a remote attacker could exploit this vulnerability to trigger an out-of-bounds read and cause the system to crash. CVSS Base Score: 4.3 CVSS Temporal Score: See [_https://exchange.xforce.ibmcloud.com/vulnerabilities/108071_](<https://exchange.xforce.ibmcloud.com/vulnerabilities/108071>) for the current score CVSS Environmental Score*: Undefined CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L) **CVEID:** [_CVE-2015-7942_](<https://vulners.com/cve/CVE-2015-7942>)** DESCRIPTION:** Libxml2 is vulnerable to a denial of service, caused by a heap-based buffer overflow in the xmlParseConditionalSections function. By using specially-crafted XML data, a remote attacker could exploit this vulnerability to trigger an out-of-bounds read and cause the system to crash. CVSS Base Score: 4.3 CVSS Temporal Score: See [_https://exchange.xforce.ibmcloud.com/vulnerabilities/108073_](<https://exchange.xforce.ibmcloud.com/vulnerabilities/108073>) for the current score CVSS Environmental Score*: Undefined CVSS Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L) **CVEID:** [_CVE-2015-8241_](<https://vulners.com/cve/CVE-2015-8241>)** DESCRIPTION:** libxml2 is vulnerable to a buffer overflow, caused by improper bounds checking by the XML parser in xmlNextChar. By using a malformed XML file, a local attacker could overflow a buffer and execute arbitrary code on the system or cause the application to crash. CVSS Base Score: 5.9 CVSS Temporal Score: See [_https://exchange.xforce.ibmcloud.com/vulnerabilities/108169_](<https://exchange.xforce.ibmcloud.com/vulnerabilities/108169>) for the current score CVSS Environmental Score*: Undefined CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L) **CVEID:** [_CVE-2015-8242_](<https://vulners.com/cve/CVE-2015-8242>)** DESCRIPTION:** libxml2 is vulnerable to a stack-based buffer overflow, caused by improper bounds checking by the HTML parser in push mode in xmlSAX2TextNode. By using a malformed XML file, a local attacker could overflow a buffer and execute arbitrary code on the system or cause the application to crash. CVSS Base Score: 5.9 CVSS Temporal Score: See [_https://exchange.xforce.ibmcloud.com/vulnerabilities/108170_](<https://exchange.xforce.ibmcloud.com/vulnerabilities/108170>) for the current score CVSS Environmental Score*: Undefined CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L) **CVEID:** [_CVE-2015-8317_](<https://vulners.com/cve/CVE-2015-8317>)** DESCRIPTION:** libxml2 is vulnerable to a heap-based buffer overflow, caused by improper bounds checking by the xmlParseXMLDecl function. By using a malformed XML file, a local attacker could overflow a buffer and execute arbitrary code on the system or cause the application to crash. CVSS Base Score: 5.9 CVSS Temporal Score: See [_https://exchange.xforce.ibmcloud.com/vulnerabilities/108316_](<https://exchange.xforce.ibmcloud.com/vulnerabilities/108316>) for the current score CVSS Environmental Score*: Undefined CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L) **CVEID:** [_CVE-2015-8710_](<https://vulners.com/cve/CVE-2015-8710>)** DESCRIPTION:** Libxml2 is vulnerable to a denial of service, caused by an out-of-bounds memory access when parsing an unclosed HTML comment. By not closing out an HTML comment, a remote attacker could exploit this vulnerability to trigger an out-of-bounds read and cause the system to crash. CVSS Base Score: 5.3 CVSS Temporal Score: See [_https://exchange.xforce.ibmcloud.com/vulnerabilities/110076_](<https://exchange.xforce.ibmcloud.com/vulnerabilities/110076>) 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 Flex System Manager 1.3.4.x Flex System Manager 1.3.3.x Flex System Manager 1.3.2.x ## Remediation/Fixes IBM recommends updating the FSM using the instructions referenced in this table. Product | VRMF | APAR | Remediation ---|---|---|--- Flex System Manager| 1.3.4.x | IT15534 | Verify that Java updates have been installed, then install [fsmfix1.3.4.0_IT15533_IT15534_IT15535_IT15536_IT16023](<https://www-945.ibm.com/support/fixcentral/systemx/selectFixes?product=ibm%2Fsystemx%2F8731&fixids=fsmfix1.3.4.0_IT15533_IT15534_IT15535_IT15536_IT16023&function=fixId&parent=Flex%20System%20Manager%20Node>). Instructions for installing and verifying java updates can be found in Technote [761981453](<http://www-01.ibm.com/support/docview.wss?uid=nas777e5323a516f40f286257f03006ae4b5>) Flex System Manager| 1.3.3.x | IT15534 | Verify that Java updates have been installed, then install[ fsmfix1.3.3.0_IT15533_IT15534_IT15535_IT15536_IT16023](<https://www-945.ibm.com/support/fixcentral/systemx/selectFixes?product=ibm%2Fsystemx%2F8731&fixids=fsmfix1.3.3.0_IT15533_IT15534_IT15535_IT15536_IT16023&function=fixId&parent=Flex%20System%20Manager%20Node>). Instructions for installing and verifying java updates can be found in Technote [736218441](<http://www-01.ibm.com/support/docview.wss?rs=0&uid=nas724cb521f58c4126286257dfd005c1958>) Flex System Manager| 1.3.2.x | IT15534 | Verify that Java updates have been installed, then install[ fsmfix1.3.2.0_IT15533_IT15534_IT15535_IT15536_IT16023](<https://www-945.ibm.com/support/fixcentral/systemx/selectFixes?product=ibm%2Fsystemx%2F8731&fixids=fsmfix1.3.2.0_IT15533_IT15534_IT15535_IT15536_IT16023&function=fixId&parent=Flex%20System%20Manager%20Node>). Instructions for installing and verifying java updates can be found in Technote [736218441](<http://www-01.ibm.com/support/docview.wss?rs=0&uid=nas724cb521f58c4126286257dfd005c1958>) For 1.1.x.x, 1.2.x.x, 1.3.0.x and 1.3.1.x IBM recommends upgrading to a fixed, supported version/release of the product. You should verify applying this fix does not cause any compatibility issues. The fix disables MD5 signature hash by default. 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
flex system manager node any

Related