Vulnerability CVE-2016-5043

Vulnerability Name:

CVE-2016-5043 (CCN-113493)

Assigned:

2016-05-24

Published:

2016-05-24

Updated:

2022-03-01

Summary:

The dwarf_dealloc function in libdwarf before 20160923 allows remote attackers to cause a denial of service (out-of-bounds read and crash) via a crafted DWARF section.

CVSS v3 Severity:

7.5 High (CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
6.5 Medium (Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/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): None Integrity (I): None Availibility (A): High

5.3 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)
4.6 Medium (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/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): None Integrity (I): None Availibility (A): Low

CVSS v2 Severity:

5.0 Medium (CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Low Authentication (Au): None
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): Partial

5.0 Medium (CCN CVSS v2 Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P)

Exploitability Metrics:	Access Vector (AV): Network Access Complexity (AC): Low Athentication (Au): None
Impact Metrics:	Confidentiality (C): None Integrity (I): None Availibility (A): Partial

Vulnerability Type:

CWE-125

Vulnerability Consequences:

Denial of Service

References:

Source: MITRE
Type: CNA
CVE-2016-5043

Source: CCN
Type: oss-sec Mailing List, Tue, 24 May 2016 22:23:46 -0400 (EDT)
Re: CVE request: Multiple vunerabilities in libdwarf & dwarfdump

Source: MLIST
Type: Mailing List, Patch, Third Party Advisory
[oss-security] 20160524 CVE request: Multiple vunerabilities in libdwarf & dwarfdump

Source: MLIST
Type: Exploit, Mailing List, Third Party Advisory
[oss-security] 20160524 Re: CVE request: Multiple vunerabilities in libdwarf & dwarfdump

Source: XF
Type: UNKNOWN
libdwarf-cve20165043-dos(113493)

Source: CCN
Type: libdwarf Web site
DA's DWARF Page

Source: CONFIRM
Type: Third Party Advisory, VDB Entry
https://www.prevanders.net/dwarfbug.html

Source: CCN
Type: WhiteSource Vulnerability Database
CVE-2016-5043

Vulnerable Configuration:

Configuration 1:

cpe:/a:libdwarf_project:libdwarf:*:*:*:*:*:*:*:* (Version >= 1999-12-14 and < 2016-09-23)

Denotes that component is vulnerable

Oval Definitions

Definition ID	Class	Title	Last Modified
oval:com.ubuntu.bionic:def:201650430000000	V	CVE-2016-5043 on Ubuntu 18.04 LTS (bionic) - untriaged.	2017-02-17
oval:com.ubuntu.artful:def:20165043000	V	CVE-2016-5043 on Ubuntu 17.10 (artful) - untriaged.	2017-02-17
oval:com.ubuntu.trusty:def:20165043000	V	CVE-2016-5043 on Ubuntu 14.04 LTS (trusty) - untriaged.	2017-02-17
oval:com.ubuntu.xenial:def:201650430000000	V	CVE-2016-5043 on Ubuntu 16.04 LTS (xenial) - untriaged.	2017-02-17
oval:com.ubuntu.bionic:def:20165043000	V	CVE-2016-5043 on Ubuntu 18.04 LTS (bionic) - untriaged.	2017-02-17
oval:com.ubuntu.xenial:def:20165043000	V	CVE-2016-5043 on Ubuntu 16.04 LTS (xenial) - untriaged.	2017-02-17
oval:com.ubuntu.disco:def:201650430000000	V	CVE-2016-5043 on Ubuntu 19.04 (disco) - untriaged.	2017-02-17
oval:com.ubuntu.cosmic:def:20165043000	V	CVE-2016-5043 on Ubuntu 18.10 (cosmic) - untriaged.	2017-02-17
oval:com.ubuntu.cosmic:def:201650430000000	V	CVE-2016-5043 on Ubuntu 18.10 (cosmic) - untriaged.	2017-02-17
oval:com.ubuntu.precise:def:20165043000	V	CVE-2016-5043 on Ubuntu 12.04 LTS (precise) - untriaged.	2017-02-17

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