libdwarf up to 20161001 dwarfdump Command dwarf_util.c _dwarf_get_abbrev_for_code out-of-bounds
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.2 | $0-$5k | 0.00 |
Summary
A vulnerability categorized as problematic has been discovered in libdwarf up to 20161001. This affects the function _dwarf_get_abbrev_for_code of the file dwarf_util.c of the component dwarfdump Command. Executing a manipulation can lead to out-of-bounds.
This vulnerability is registered as CVE-2016-8680. It is possible to launch the attack remotely. No exploit is available.
It is advisable to upgrade the affected component.
Details
A vulnerability was found in libdwarf up to 20161001 (Programming Tool Software). It has been declared as problematic. This vulnerability affects the function _dwarf_get_abbrev_for_code of the file dwarf_util.c of the component dwarfdump Command. The manipulation with an unknown input leads to a out-of-bounds vulnerability. The CWE definition for the vulnerability is CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect availability. CVE summarizes:
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.
The bug was discovered 02/15/2017. The weakness was published 02/15/2017 by Agostino Sarubbo with Gentoo (oss-sec). The advisory is shared for download at openwall.com. This vulnerability was named CVE-2016-8680 since 10/15/2016. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available.
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 l.
Upgrading eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.
The vulnerability is also documented in the databases at Tenable (96368) and SecurityFocus (BID 93595†). Similar entries are available at VDB-93870, VDB-96999, VDB-97001 and VDB-97083. VulDB is the best source for vulnerability data and more expert information about this specific topic.
Product
Type
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.4VulDB Meta Temp Score: 5.3
VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 5.5
NVD Vector: 🔍
CVSSv2
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VulDB Base Score: 🔍
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Exploiting
Class: Out-of-boundsCWE: CWE-125 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Physical: Partially
Local: Yes
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
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: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Timeline
10/15/2016 🔍10/17/2016 🔍
01/09/2017 🔍
01/10/2017 🔍
02/15/2017 🔍
02/15/2017 🔍
02/15/2017 🔍
02/16/2017 🔍
08/15/2020 🔍
Sources
Advisory: openwall.comResearcher: Agostino Sarubbo
Organization: Gentoo
Status: Not defined
Confirmation: 🔍
CVE: CVE-2016-8680 (🔍)
GCVE (CVE): GCVE-0-2016-8680
GCVE (VulDB): GCVE-100-97000
SecurityFocus: 93595 - Libdwarf 'dwarf_util.c' Heap Based Buffer Overflow Vulnerability
OSVDB: - CVE-2016-8680 - Libdwarf - Out-of-Bounds Read Issue
See also: 🔍
Entry
Created: 02/16/2017 08:59Updated: 08/15/2020 08:57
Changes: 02/16/2017 08:59 (68), 08/15/2020 08:57 (8)
Complete: 🔍
Cache ID: 216::103
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