VDB-98449 · CVE-2016-9276 · BID 94284

libdwarf prior 20161124 dwarf_arrange.c dwarf_get_aranges_list out-of-bounds read

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.1$0-$5k0.00

A vulnerability was found in libdwarf (Programming Tool Software). It has been declared as critical. Affected by this vulnerability is the function dwarf_get_aranges_list of the file dwarf_arrange.c. The manipulation with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-125. As an impact it is known to affect confidentiality, integrity, and availability.

The bug was discovered 01/16/2016. The weakness was shared 03/23/2017 by Agostino Sarubbo with Gentoo (oss-sec). The advisory is shared at openwall.com. This vulnerability is known as CVE-2016-9276 since 11/11/2016. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are known, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 359 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 96368 (FreeBSD : libdwarf -- multiple vulnerabilities (83041ca7-d690-11e6-9171-14dae9d210b8)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family FreeBSD Local Security Checks and running in the context local. The commercial vulnerability scanner Qualys is able to test this issue with plugin 276609 (Fedora Security Update for libdwarf (FEDORA-2017-15e7445d67)).

Upgrading to version 20161124 eliminates this vulnerability. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (96368). The entries 93870, 96999, 97000 and 97001 are related to this item.

Productinfoedit

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CPE 2.3infoedit

CPE 2.2infoedit

CVSSv3infoedit

VulDB Meta Base Score: 7.4
VulDB Meta Temp Score: 7.2

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2infoedit

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfoedit

Class: Information disclosure
CWE: CWE-125
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 96368
Nessus Name: FreeBSD : libdwarf -- multiple vulnerabilities (83041ca7-d690-11e6-9171-14dae9d210b8)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 867773
OpenVAS Name: Fedora Update for libdwarf FEDORA-2017-15e7445d67
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfoedit

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfoedit

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: libdwarf 20161124

Timelineinfoedit

01/16/2016 🔍
11/09/2016 +298 days 🔍
11/11/2016 +2 days 🔍
01/09/2017 +59 days 🔍
01/10/2017 +1 days 🔍
03/23/2017 +72 days 🔍
03/23/2017 +0 days 🔍
03/24/2017 +1 days 🔍
09/12/2020 +1268 days 🔍

Sourcesinfoedit

Advisory: openwall.com
Researcher: Agostino Sarubbo
Organization: Gentoo
Status: Not defined
Confirmation: 🔍

CVE: CVE-2016-9276 (🔍)
SecurityFocus: 94284 - libdwarf Multiple Heap Based Buffer Overflow Vulnerabilities
OSVDB: - CVE-2016-9276 - Libdwarf - Out-of-Bounds Read Issue

See also: 🔍

Entryinfoedit

Created: 03/24/2017 07:30 AM
Updated: 09/12/2020 09:35 PM
Changes: (3) vulnerability_discoverydate countermeasure_date source_osvdb_title
Complete: 🔍

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