Vulnerability CVE-2016-8681

Vulnerability Name:

CVE-2016-8681 (CCN-122100)

Assigned:

2016-10-15

Published:

2017-02-15

Updated:

2020-06-11

Summary:

The _dwarf_get_abbrev_for_code function in dwarf_util.c in libdwarf 20161001 and earlier allows remote attackers to cause a denial of service (out-of-bounds read) by calling the dwarfdump command on a crafted file.

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

4.0 Medium (CCN CVSS v3.1 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L)
3.5 Low (CCN Temporal CVSS v3.1 Vector: CVSS:3.1/AV:L/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): Local 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:

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

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

Exploitability Metrics:	Access Vector (AV): Local 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-2016-8681

Source: CCN
Type: oss-sec Mailing List, Sat, 15 Oct 2016 22:50:34 -0400
Re: libdwarf: heap-based buffer overflow in _dwarf_get_abbrev_for_code (dwarf_util.c) (ANOTHER ONE)

Source: MLIST
Type: Mailing List, Patch, Third Party Advisory
[oss-security] 20161015 Re: libdwarf: heap-based buffer overflow in _dwarf_get_abbrev_for_code (dwarf_util.c) (ANOTHER ONE)

Source: BID
Type: Third Party Advisory, VDB Entry
93592

Source: CCN
Type: BID-93592
Libdwarf CVE-2016-8681 Heap Based Buffer Overflow Vulnerability

Source: MISC
Type: Exploit, Patch, Third Party Advisory
https://blogs.gentoo.org/ago/2016/10/06/libdwarf-heap-based-buffer-overflow-in-_dwarf_get_abbrev_for_code-dwarf_util-c-2/

Source: CONFIRM
Type: Issue Tracking, Patch, Third Party Advisory, VDB Entry
https://bugzilla.redhat.com/show_bug.cgi?id=1385690

Source: XF
Type: UNKNOWN
libdwarf-cve20168681-dos(122100)

Source: CCN
Type: libdwarf GIT Repository
libdwarf

Vulnerable Configuration:

Configuration 1:

cpe:/a:libdwarf_project:libdwarf:*:*:*:*:*:*:*:* (Version <= 2016-10-01)

Denotes that component is vulnerable

Oval Definitions

Definition ID	Class	Title	Last Modified
oval:com.ubuntu.bionic:def:201686810000000	V	CVE-2016-8681 on Ubuntu 18.04 LTS (bionic) - medium.	2017-02-15
oval:com.ubuntu.artful:def:20168681000	V	CVE-2016-8681 on Ubuntu 17.10 (artful) - medium.	2017-02-15
oval:com.ubuntu.trusty:def:20168681000	V	CVE-2016-8681 on Ubuntu 14.04 LTS (trusty) - medium.	2017-02-15
oval:com.ubuntu.xenial:def:201686810000000	V	CVE-2016-8681 on Ubuntu 16.04 LTS (xenial) - medium.	2017-02-15
oval:com.ubuntu.bionic:def:20168681000	V	CVE-2016-8681 on Ubuntu 18.04 LTS (bionic) - medium.	2017-02-15
oval:com.ubuntu.xenial:def:20168681000	V	CVE-2016-8681 on Ubuntu 16.04 LTS (xenial) - medium.	2017-02-15
oval:com.ubuntu.disco:def:201686810000000	V	CVE-2016-8681 on Ubuntu 19.04 (disco) - medium.	2017-02-15
oval:com.ubuntu.cosmic:def:20168681000	V	CVE-2016-8681 on Ubuntu 18.10 (cosmic) - medium.	2017-02-15
oval:com.ubuntu.cosmic:def:201686810000000	V	CVE-2016-8681 on Ubuntu 18.10 (cosmic) - medium.	2017-02-15
oval:com.ubuntu.precise:def:20168681000	V	CVE-2016-8681 on Ubuntu 12.04 LTS (precise) - medium.	2017-02-15

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