IBM Support

Security Bulletin: XML vulnerabilities in ClearQuest (CVE-2016-0729, CVE-2016-4463)

Created by De Zhi Mou on
Published URL:
https://www.ibm.com/support/pages/node/559983
559983

Security Bulletin


Summary

IBM Rational ClearQuest is vulnerable to XML parsing attacks. These attacks could cause a denial of service or execution of code.

Vulnerability Details

CVEID: CVE-2016-0729
DESCRIPTION: Apache Xerces-C XML Parser library is vulnerable to a denial of service, caused by improper bounds checking during processing and error reporting. By sending specially crafted input documents, an attacker could exploit this vulnerability to cause the library to crash or possibly execute arbitrary code on the system.
CVSS Base Score: 7.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/111028 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:L/A:L)

CVEID: CVE-2016-4463
DESCRIPTION: Apache Xerces-C XML Parser library is vulnerable to a denial of service, caused by a stack-based buffer overflow when parsing a deeply nested DTD. 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/114596 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

ClearQuest version

Status
9.0.1, 9.0.1.1
Not Affected
9.0 through 9.0.0.4
Affected
8.0.1 through 8.0.1.14
Affected
8.0 through 8.0.0.21
Affected
7.1.2 through 7.1.2.19 (all fix packs)
Affected

Remediation/Fixes

The solution is to upgrade to a newer fix pack or release of ClearQuest.

Affected Versions
Applying the fix
9.0 through 9.0.0.4
Install Rational ClearQuest Fix Pack 5 (9.0.0.5) for 9.0 or Rational ClearQuest release 9.0.1
8.0.1 through 8.0.1.14
8.0 through 8.0.0.21
Install Rational ClearQuest Fix Pack 15 (8.0.1.15) for 8.0.1
7.1.2 through 7.1.2.19 (all fix packs)
Customers should upgrade to a fixed, supported version/release of the product.
For 7.0, 7.1, 7.1.1 and earlier releases, IBM recommends upgrading to a fixed, supported version/release/platform of the product.

Workarounds and Mitigations

None

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References

Complete CVSS v2 Guide
On-line Calculator v2

Complete CVSS v3 Guide
On-line Calculator v3

Off

Related Information

IBM Secure Engineering Web Portal
IBM Product Security Incident Response Blog

Acknowledgement

None

Change History

13 September 2017: Original version 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:
04 February 2020

UID

swg22002880

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