Security Bulletin
Summary
A new Libxml2 vulnerability was disclosed by the Libxml2 Project. Libxml2 is used by Rational Systems Tester. Rational Systems Tester has addressed the applicable CVE.
Vulnerability Details
CVEID: CVE-2016-9318
DESCRIPTION: Llibxml2 could allow a remote attacker to obtain sensitive information, caused by failure to offer a flag directly indicating the status of current document. By using a specially-crafted document to conduct a XML external entity (XXE) attack, an attacker could exploit this vulnerability to obtain sensitive information.
CVSS Base Score: 5.5
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/119018 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N)
CVEID: CVE-2017-7375
DESCRIPTION: libxml2 could allow a remote attacker to obtain sensitive information, caused by missing validation for external entities in xmlParsePEReference. By sending specially-crafted XML data, an attacker could exploit this vulnerability to obtain sensitive information or cause a denial of service.
CVSS Base Score: 6.5
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/128275 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:L)
CVEID: CVE-2017-5969
DESCRIPTION: libxml2 is vulnerable to a denial of service, caused by a NULL pointer dereference in the xmlSaveDoc functionality when used in recover mode. By persuading a victim to open a specially crafted XML document, an attacker could exploit this vulnerability to cause the application to crash.
CVSS Base Score: 5.5
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/128274 for the current score
CVSS Environmental Score*: Undefined
CVSS Vector: (CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H)
CVEID: CVE-2017-8872
DESCRIPTION: libxml2 is vulnerable to a buffer overflow, caused by a a buffer-over-read flaw in the htmlParseTryOrFinish function in HTMLparser.c. By sending a specially-crafted request, a local attacker could overflow a buffer and cause a denial of service condition or obtain sensitive information on the system.
CVSS Base Score: 5.9
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/125890 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)
Affected Products and Versions
Rational Systems Tester 3.3, 3.3.0.1, 3.3.0.2, 3.3.0.3, 3.3.0.4, 3.3.0.5, 3.3.0.6, 3.3.0.7, 3.3.0.7 Interim Fix 1, 3.3.0.7 Interim Fix 2, 3.3.0.7 Interim Fix 3, 3.3.0.7 Interim Fix 4, 3.3.0.7 Interim Fix 5
Remediation/Fixes
Upgrade to Rational Systems Tester Interim Fix 6 for 3.3.0.7
Workarounds and Mitigations
None
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References
Change History
07 December 2017: original document published
*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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Document Information
Modified date:
17 June 2018
UID
swg21993821