VDB-123532 · CVE-2018-16403 · Qualys 277557

elfutils 0.173 libdw dwarf_getabbrev.c dwarf_getabbrev memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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A vulnerability was found in elfutils 0.173. It has been declared as critical. This vulnerability affects the function dwarf_getabbrev of the file dwarf_getabbrev.c of the component libdw. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. As an impact it is known to affect confidentiality, integrity, and availability.

The bug was discovered 09/04/2018. The weakness was disclosed 09/03/2018 (Website). The advisory is shared for download at sourceware.org. This vulnerability was named CVE-2018-16403 since 09/03/2018. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 120279 (Fedora 28 : elfutils (2018-1eec1f0d17)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks and running in the context local. The commercial vulnerability scanner Qualys is able to test this issue with plugin 277557 (Fedora Security Update for elfutils (FEDORA-2018-1eec1f0d17)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 2 months after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (120279). The entries 123355 and 123531 are pretty similar.



CPE 2.3infoedit

CPE 2.2infoedit


VulDB Meta Base Score: 5.4
VulDB 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: 🔍



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

NVD Base Score: 🔍


Class: Memory corruption
CWE: CWE-119
ATT&CK: Unknown

Local: No
Remote: Yes

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


Nessus ID: 120279
Nessus Name: Fedora 28 : elfutils (2018-1eec1f0d17)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfoedit

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


Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Upgrade: sourceware.org


09/03/2018 🔍
09/03/2018 +0 days 🔍
09/03/2018 +0 days 🔍
09/04/2018 +1 days 🔍
09/04/2018 +0 days 🔍
10/02/2018 +28 days 🔍
01/03/2019 +93 days 🔍
03/20/2020 +442 days 🔍


Advisory: sourceware.org
Status: Confirmed

CVE: CVE-2018-16403 (🔍)
See also: 🔍


Created: 09/04/2018 06:48 AM
Updated: 03/20/2020 10:11 AM
Changes: (3) vulnerability_discoverydate countermeasure_name countermeasure_date
Complete: 🔍


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