Vulnerability Name:

CVE-2016-4493 (CCN-116387)

Assigned:2016-05-05
Published:2016-05-05
Updated:2017-07-28
Summary:The demangle_template_value_parm and do_hpacc_template_literal functions in cplus-dem.c in libiberty allow remote attackers to cause a denial of service (out-of-bounds read and crash) via a crafted binary.
CVSS v3 Severity:5.5 Medium (CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H)
4.8 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
5.5 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H)
4.8 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C)
Exploitability Metrics:Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): Required
Scope:Scope (S): Unchanged
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): High
CVSS v2 Severity:4.3 Medium (CVSS v2 Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P)
Exploitability Metrics:Access Vector (AV): Network
Access Complexity (AC): Medium
Authentication (Au): None
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Partial
4.6 Medium (CCN CVSS v2 Vector: AV:L/AC:L/Au:S/C:N/I:N/A:C)
Exploitability Metrics:Access Vector (AV): Local
Access Complexity (AC): Low
Athentication (Au): Single_Instance
Impact Metrics:Confidentiality (C): None
Integrity (I): None
Availibility (A): Complete
Vulnerability Type:CWE-125
Vulnerability Consequences:Denial of Service
References:Source: MITRE
Type: CNA
CVE-2016-4493

Source: CCN
Type: oss-sec Mailing List, Thu, 5 May 2016 01:02:22 -0400 (EDT)
Re: CVE Request: No Demangling During Analysis of Untrusted Binaries

Source: MLIST
Type: Mailing List, Patch, Third Party Advisory
[oss-security] 20160505 Re: CVE Request: No Demangling During Analysis of Untrusted Binaries

Source: BID
Type: UNKNOWN
90014

Source: CCN
Type: BID-90014
GNU GCC 'lilibiberty/cplus-dem.c' Multiple Denial of Service Vulnerabilities

Source: CCN
Type: Red Hat Bugzilla – Bug 1333383
(CVE-2016-4493) CVE-2016-4493 gcc: Read access violations

Source: XF
Type: UNKNOWN
gcc-cve20164493-dos(116387)

Source: CCN
Type: GCC - GNU Web site
GCC, the GNU Compiler Collection

Source: CONFIRM
Type: Issue Tracking
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70926

Source: CCN
Type: GCC Web site
Fix for PR70926 in Libiberty Demangler (5)

Source: MLIST
Type: Patch, Vendor Advisory
[gcc-patches] 20160503 Fix for PR70926 in Libiberty Demangler (5)

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: WhiteSource Vulnerability Database
CVE-2016-4493

Vulnerable Configuration:Configuration 1:
  • cpe:/a:gnu:libiberty:*:*:*:*:*:*:*:*

    • Configuration CCN 1:
  • cpe:/a:ibm:cloud_pak_for_security:1.7.2.0:*:*:*:*:*:*:*

    • * Denotes that component is vulnerable
    Oval Definitions
    Definition IDClassTitleLast Modified
    oval:com.ubuntu.bionic:def:201644930000000
    V
    		CVE-2016-4493 on Ubuntu 18.04 LTS (bionic) - low.
    2017-02-24
    oval:com.ubuntu.artful:def:20164493000
    V
    		CVE-2016-4493 on Ubuntu 17.10 (artful) - medium.
    2017-02-24
    oval:com.ubuntu.trusty:def:20164493000
    V
    		CVE-2016-4493 on Ubuntu 14.04 LTS (trusty) - medium.
    2017-02-24
    oval:com.ubuntu.xenial:def:201644930000000
    V
    		CVE-2016-4493 on Ubuntu 16.04 LTS (xenial) - low.
    2017-02-24
    oval:com.ubuntu.bionic:def:20164493000
    V
    		CVE-2016-4493 on Ubuntu 18.04 LTS (bionic) - medium.
    2017-02-24
    oval:com.ubuntu.xenial:def:20164493000
    V
    		CVE-2016-4493 on Ubuntu 16.04 LTS (xenial) - medium.
    2017-02-24
    oval:com.ubuntu.disco:def:201644930000000
    V
    		CVE-2016-4493 on Ubuntu 19.04 (disco) - low.
    2017-02-24
    oval:com.ubuntu.cosmic:def:20164493000
    V
    		CVE-2016-4493 on Ubuntu 18.10 (cosmic) - medium.
    2017-02-24
    oval:com.ubuntu.cosmic:def:201644930000000
    V
    		CVE-2016-4493 on Ubuntu 18.10 (cosmic) - low.
    2017-02-24
    oval:com.ubuntu.precise:def:20164493000
    V
    		CVE-2016-4493 on Ubuntu 12.04 LTS (precise) - medium.
    2017-02-24
    BACK
    gnu libiberty *
    ibm cloud pak for security 1.7.2.0