Vulnerability Name:

CVE-2017-16931 (CCN-135488)

Assigned:2017-11-23
Published:2017-11-23
Updated:2021-07-20
Summary:parser.c in libxml2 before 2.9.5 mishandles parameter-entity references because the NEXTL macro calls the xmlParserHandlePEReference function in the case of a '%' character in a DTD name.
CVSS v3 Severity:9.8 Critical (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H)
8.5 High (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): High
Integrity (I): High
Availibility (A): High
7.3 High (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L)
6.4 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): Low
Integrity (I): Low
Availibility (A): Low
CVSS v2 Severity:7.5 High (CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
7.5 High (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Athentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
Vulnerability Type:CWE-119
Vulnerability Consequences:Gain Access
References:Source: MITRE
Type: CNA
CVE-2017-16931

Source: CCN
Type: IBM Security Bulletin 2007952 (Cognos Business Intelligence)
IBM Cognos Business Intelligence Server 2017Q4 Security Updater: IBM Cognos Business Intelligence Server is affected by multiple vulnerabilities.

Source: CCN
Type: IBM Security Bulletin 2011764 (Cognos Business Intelligence)
Multiple vulnerabilities in Libxml2 affect IBM Cognos Metrics Manager.

Source: CCN
Type: IBM Security Bulletin 2011831 (Connections Docs)
IBM Connections Docs is affected by libxml2 vulnerabilty (CVE-2017-16932 CVE-2017-16931)

Source: CCN
Type: IBM Security Bulletin 2013398 (PureData System for Analytics)
Multiple vulnerabilities in XMLsoft Libxml2 and OpenSSL affect IBM Netezza Analytics

Source: CCN
Type: IBM Security Bulletin 2013890 (Lotus Protector for Mail Security)
IBM Protector is affected by Open Source XMLsoft Libxml2 Vulnerabilities

Source: CCN
Type: IBM Security Bulletin 2014337 (Cognos Analytics)
Multiple Vulnerabilities in libxml2 affects IBM Cognos Analytics

Source: CCN
Type: IBM Security Bulletin 2015944 (InfoSphere Identity Insight)
Multiple vulnerabilities in Libxml2 affect IBM InfoSphere Identity Insight.

Source: CONFIRM
Type: Release Notes, Vendor Advisory
http://xmlsoft.org/news.html

Source: CONFIRM
Type: Permissions Required
https://bugzilla.gnome.org/show_bug.cgi?id=766956

Source: XF
Type: UNKNOWN
libxml2-cve201716931-bo(135488)

Source: CCN
Type: libxml2 GIT Repository
Fix handling of parameter-entity references

Source: CONFIRM
Type: Patch, Third Party Advisory
https://github.com/GNOME/libxml2/commit/e26630548e7d138d2c560844c43820b6767251e3

Source: MLIST
Type: UNKNOWN
[debian-lts-announce] 20171130 [SECURITY] [DLA 1194-1] libxml2 security update

Source: CCN
Type: IBM Security Bulletin 6551876 (Cloud Pak for Security)
Cloud Pak for Security uses packages that are vulnerable to multiple CVEs

Source: CCN
Type: Oracle CPUJul2021
Oracle Critical Patch Update Advisory - July 2021

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2017-16931

Vulnerable Configuration:Configuration 1:
  • cpe:/a:xmlsoft:libxml2:*:*:*:*:*:*:*:* (Version <= 2.9.4)

    • Configuration CCN 1:
  • cpe:/a:xmlsoft:libxml2:2.9.4:*:*:*:*:*:*:*
  • AND
  • cpe:/a:ibm:cognos_business_intelligence:10.2:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:cognos_business_intelligence:10.2.1:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:cognos_business_intelligence:10.2.1.1:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:lotus_protector:2.8.1:*:*:*:mail_security:*:*:*
  • OR cpe:/a:ibm:puredata_system:1.0.0:*:*:*:analytics:*:*:*
  • OR cpe:/a:ibm:cognos_business_intelligence:10.2.2:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:connections_docs:2.0:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:lotus_protector:2.8.3:*:*:*:mail_security:*:*:*
  • OR cpe:/a:ibm:cognos_analytics:11.0:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:infosphere_identity_insight:9.0:*:*:*:*:*:*:*
  • OR cpe:/a:ibm:cloud_pak_for_security:1.7.2.0:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.artful:def:201716931000
    V
    		CVE-2017-16931 on Ubuntu 17.10 (artful) - medium.
    2017-11-23
    oval:com.ubuntu.trusty:def:201716931000
    V
    		CVE-2017-16931 on Ubuntu 14.04 LTS (trusty) - medium.
    2017-11-23
    oval:com.ubuntu.xenial:def:201716931000
    V
    		CVE-2017-16931 on Ubuntu 16.04 LTS (xenial) - medium.
    2017-11-23
    oval:com.ubuntu.xenial:def:2017169310000000
    V
    		CVE-2017-16931 on Ubuntu 16.04 LTS (xenial) - medium.
    2017-11-23
    BACK
    xmlsoft libxml2 *
    xmlsoft libxml2 2.9.4
    ibm cognos business intelligence 10.2
    ibm cognos business intelligence 10.2.1
    ibm cognos business intelligence 10.2.1.1
    ibm lotus protector 2.8.1
    ibm puredata system 1.0.0
    ibm cognos business intelligence 10.2.2
    ibm connections docs 2.0
    ibm lotus protector 2.8.3
    ibm cognos analytics 11.0
    ibm infosphere identity insight 9.0
    ibm cloud pak for security 1.7.2.0