Security Bulletin
Summary
Multiple vulnerabilities in zlib and openSSL libraries can cause denial of service in IBM Tealeaf Customer Experience on Cloud Network Capture Add-On.
Vulnerability Details
CVEID: CVE-2016-9840
DESCRIPTION: zlib is vulnerable to a denial of service, caused by an out-of-bounds pointer arithmetic in inftrees.c. By persuading a victim to open a specially crafted document, a remote attacker could exploit this vulnerability to cause a denial of service.
CVSS Base Score: 3.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/120508 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:L)
CVEID: CVE-2016-9841
DESCRIPTION: zlib is vulnerable to a denial of service, caused by an out-of-bounds pointer arithmetic in inftrees.c. By persuading a victim to open a specially crafted document, a remote attacker could exploit this vulnerability to cause a denial of service.
CVSS Base Score: 3.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/120509 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:L)
CVEID: CVE-2016-9842
DESCRIPTION: zlib is vulnerable to a denial of service, caused by an undefined left shift of negative number. By persuading a victim to open a specially crafted document, a remote attacker could exploit this vulnerability to cause a denial of service.
CVSS Base Score: 3.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/120510 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:L)
CVEID: CVE-2017-3730
DESCRIPTION: OpenSSL is vulnerable to a denial of service, caused by a NULL pointer dereference. By sending specially crafted parameters for a DHE or ECDHE key exchange, a remote attacker could exploit this vulnerability to cause the application to crash.
CVSS Base Score: 5.3
CVSS Temporal Score: See https://exchange.xforce.ibmcloud.com/vulnerabilities/121311 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
IBM Tealeaf Customer Experience on Cloud Network Capture Add-On.
Remediation/Fixes
Client Success Portal: https://tealeaf.support.ibmcloud.com/ics/support/DLList.asp?task=download&folderID=121267
Workarounds and Mitigations
Access to local networks containing networked Tealeaf servers should be limited to avoid unauthorized access to or disruption of Tealeaf services.
Access to PCA systems should be limited as much as possible.
Get Notified about Future Security Bulletins
References
Change History
17 April 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.
Internal Use Only
PRID - 89778
Submitted for review by SWATHI PRABHU (prabhusw@us.ibm.com) at 14:27:01 on 03/15/2017.
Security Bulletin Reviewer reviewed as more information needed with comments 'Please correct the spacing of the CVE's in the Vulnerability details section. Also, since there is a version listed in Affected Products and Versions, please also include the version in the Software Version of the Document Information section to the right.' by Anthony J. Gackle (tgackle@us.ibm.com) at 16:27:12 EST on 03/15/2017.
Modified and submitted for review by SWATHI PRABHU (prabhusw@us.ibm.com) at 13:42:46 on 03/30/2017.
Security Bulletin Reviewer review completed with comments 'Review complete - Security bulletin for PR# 89778' by Anthony J. Gackle (tgackle@us.ibm.com) at 15:43:10 EST on 03/30/2017.
PSIRT Operations review rejected with comments 'Rejecting this because the versions are not listed in the affected versions section.' by Joshua E. Dembling (jdemblin@us.ibm.com) at 21:04:37 EST on 03/30/2017.
Modified and submitted for review by SWATHI PRABHU (prabhusw@us.ibm.com) at 17:23:03 on 04/04/2017.
Security Bulletin Reviewer review completed with comments 'After further clarification - review complete.' by Anthony J. Gackle (tgackle@us.ibm.com) at 09:16:01 EST on 04/05/2017.
PSIRT Operations review completed with comments '' by Joshua E. Dembling (jdemblin@us.ibm.com) at 20:52:43 EST on 04/05/2017.
Security Bulletin Review by Reviewing Attorney bypassed by deadmin (deadmin) at 20:52:43 EST on 04/05/2017.
Security Bulletin Reviews Complete by deadmin (deadmin) at 20:52:44 EST on 04/05/2017.
PRID - 90286
Submitted for review by SWATHI PRABHU (prabhusw@us.ibm.com) at 14:26:18 on 03/15/2017.
Security Bulletin Reviewer reviewed as more information needed with comments 'Please adjust the spacing of the CVE's in the Vulnerability Details section. Also, since there is a version listed in the Affected Products and Versions section, please also include it in the Software Version of the Document Information section to the right.' by Anthony J. Gackle (tgackle@us.ibm.com) at 16:29:32 EST on 03/15/2017.
Modified and submitted for review by SWATHI PRABHU (prabhusw@us.ibm.com) at 13:44:46 on 03/30/2017.
Security Bulletin Reviewer review completed with comments 'Review complete - Security bulletin for PR# 90286' by Anthony J. Gackle (tgackle@us.ibm.com) at 15:41:33 EST on 03/30/2017.
PSIRT Operations review rejected with comments 'Rejecting this because the versions are not listed in the affected versions section.' by Joshua E. Dembling (jdemblin@us.ibm.com) at 21:04:41 EST on 03/30/2017.
Modified and submitted for review by SWATHI PRABHU (prabhusw@us.ibm.com) at 17:22:20 on 04/04/2017.
Security Bulletin Reviewer review completed with comments 'After further clarification - review complete.' by Anthony J. Gackle (tgackle@us.ibm.com) at 09:02:51 EST on 04/05/2017.
PSIRT Operations review completed with comments '' by Joshua E. Dembling (jdemblin@us.ibm.com) at 20:52:34 EST on 04/05/2017.
Security Bulletin Review by Reviewing Attorney bypassed by deadmin (deadmin) at 20:52:35 EST on 04/05/2017.
Security Bulletin Reviews Complete by deadmin (deadmin) at 20:52:36 EST on 04/05/2017.
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Document Information
Modified date:
16 June 2018
UID
swg22000445