Vulnerability Name:

CVE-2014-7940 (CCN-100311)

Assigned:2014-10-06
Published:2015-01-21
Updated:2019-04-23
Summary:The collator implementation in i18n/ucol.cpp in International Components for Unicode (ICU) 52 through SVN revision 293126, as used in Google Chrome before 40.0.2214.91, does not initialize memory for a data structure, which allows remote attackers to cause a denial of service or possibly have unspecified other impact via a crafted character sequence.
CVSS v3 Severity:5.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N)
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): None
Integrity (I): Low
Availibility (A): None
CVSS v2 Severity:7.5 High (CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P)
5.5 Medium (Temporal CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P/E:U/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): Partial
4.3 Medium (CCN CVSS v2 Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N)
3.2 Low (CCN Temporal CVSS v2 Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N/E:U/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Athentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): Partial
Availibility (A): None
6.4 Medium (REDHAT CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:P/A:N)
4.7 Medium (REDHAT Temporal CVSS v2 Vector: AV:N/AC:L/Au:N/C:P/I:P/A:N/E:U/RL:OF/RC:C)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Low
Authentication (Au): None
Impact Metrics:Confidentiality (C): Partial
Integrity (I): Partial
Availibility (A): None
Vulnerability Type:CWE-399
Vulnerability Consequences:Other
References:Source: CONFIRM
Type: Third Party Advisory
http://advisories.mageia.org/MGASA-2015-0047.html

Source: MITRE
Type: CNA
CVE-2014-7940

Source: CCN
Type: Google Chrome Releases Web site
Stable Channel Update

Source: CONFIRM
Type: Vendor Advisory
http://googlechromereleases.blogspot.com/2015/01/stable-update.html

Source: SUSE
Type: Third Party Advisory
openSUSE-SU-2015:0441

Source: CCN
Type: RHSA-2015-0093
Important: chromium-browser security update

Source: REDHAT
Type: Third Party Advisory
RHSA-2015:0093

Source: SECUNIA
Type: Permissions Required
62383

Source: SECUNIA
Type: Permissions Required
62575

Source: SECUNIA
Type: Permissions Required
62665

Source: GENTOO
Type: Third Party Advisory
GLSA-201502-13

Source: CONFIRM
Type: Third Party Advisory
http://www.oracle.com/technetwork/topics/security/bulletinapr2015-2511959.html

Source: CCN
Type: Oracle Critical Patch Update Advisory - October 2015
Oracle Critical Patch Update Advisory - October 2015

Source: CONFIRM
Type: Third Party Advisory
http://www.oracle.com/technetwork/topics/security/cpuoct2015-2367953.html

Source: BID
Type: Third Party Advisory, VDB Entry
72288

Source: CCN
Type: BID-72288
Google Chrome 40.0.2214.91 Multiple Security Vulnerabilities

Source: SECTRACK
Type: Third Party Advisory, VDB Entry
1031623

Source: UBUNTU
Type: Third Party Advisory
USN-2476-1

Source: CONFIRM
Type: Patch
https://chromium.googlesource.com/chromium/deps/icu/+/866ff696e9022a6000afbab516fba62cfa306075

Source: CONFIRM
Type: Patch
https://chromium.googlesource.com/chromium/src.git/+/87feb77547781a22b31c423bc0d57b7dca32d5b8

Source: CONFIRM
Type: Vendor Advisory
https://code.google.com/p/chromium/issues/detail?id=433866

Source: XF
Type: UNKNOWN
google-chrome-cve20147940-unspec(100311)

Source: GENTOO
Type: Third Party Advisory
GLSA-201503-06

Source: MISC
Type: UNKNOWN
https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2014-7940

Vulnerable Configuration:Configuration 1:
  • cpe:/a:google:chrome:*:*:*:*:*:*:*:* (Version <= 40.0.2214.85)

  • Configuration 2:
  • cpe:/a:icu-project:international_components_for_unicode:*:*:*:*:*:c/c++:*:* (Version <= 52.1)

  • Configuration RedHat 1:
  • cpe:/a:redhat:rhel_extras:6:*:*:*:*:*:*:*

  • Configuration CCN 1:
  • cpe:/o:redhat:enterprise_linux_server_supplementary:6:*:*:*:*:*:*:*
  • OR cpe:/o:redhat:enterprise_linux_workstation_supplementary:6:*:*:*:*:*:*:*
  • OR cpe:/o:redhat:enterprise_linux_desktop_supplementary:6:*:*:*:*:*:*:*

  • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:org.opensuse.security:def:20147940
    V
    CVE-2014-7940
    2022-06-30
    oval:org.opensuse.security:def:112065
    P
    chromedriver-55.0.2883.75-3.1 on GA media (Moderate)
    2022-01-17
    oval:org.opensuse.security:def:105614
    P
    chromedriver-55.0.2883.75-3.1 on GA media (Moderate)
    2021-10-01
    oval:org.cisecurity:def:23
    P
    DSA-3187-1 -- icu -- security update
    2016-02-08
    oval:com.redhat.rhsa:def:20150093
    P
    RHSA-2015:0093: chromium-browser security update (Important)
    2015-01-27
    oval:com.ubuntu.precise:def:20147940000
    V
    CVE-2014-7940 on Ubuntu 12.04 LTS (precise) - medium.
    2015-01-22
    oval:com.ubuntu.trusty:def:20147940000
    V
    CVE-2014-7940 on Ubuntu 14.04 LTS (trusty) - medium.
    2015-01-22
    BACK
    google chrome *
    icu-project international components for unicode *
    redhat enterprise linux server supplementary 6
    redhat enterprise linux workstation supplementary 6
    redhat enterprise linux desktop supplementary 6