VDB-123531 · CVE-2018-16402 · Nessus 120279

elfutils 0.173 Decompression libelf/elf_end.c double free

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.4	$0-$5k	0.00

Summaryinfo

A vulnerability identified as problematic has been detected in elfutils 0.173. Affected by this issue is some unknown functionality of the file libelf/elf_end.c of the component Decompression Handler. Performing a manipulation results in double free. This vulnerability is identified as CVE-2018-16402. The attack can be initiated remotely. There is not any exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in elfutils 0.173. It has been classified as problematic. This affects some unknown functionality of the file libelf/elf_end.c of the component Decompression Handler. The manipulation with an unknown input leads to a double free vulnerability. CWE is classifying the issue as CWE-415. The product calls free() twice on the same memory address, potentially leading to modification of unexpected memory locations. This is going to have an impact on availability. The summary by CVE is:

libelf/elf_end.c in elfutils 0.173 allows remote attackers to cause a denial of service (double free and application crash) or possibly have unspecified other impact because it tries to decompress twice.

The bug was discovered 09/04/2018. The weakness was released 09/03/2018 (Website). It is possible to read the advisory at sourceware.org. This vulnerability is uniquely identified as CVE-2018-16402 since 09/03/2018. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details of the vulnerability are known, but there is no available exploit.

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 l. 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). Entries connected to this vulnerability are available at VDB-123355 and VDB-123532. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Name

elfutils

Version

0.173

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.6
VulDB Meta Temp Score: 7.4

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Double free
CWE: CWE-415 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Timelineinfo

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 🔍
05/06/2023 +1584 days 🔍

Sourcesinfo

Advisory: FEDORA-2018-1eec1f0d17
Status: Confirmed

CVE: CVE-2018-16402 (🔍)
GCVE (CVE): GCVE-0-2018-16402
GCVE (VulDB): GCVE-100-123531
See also: 🔍

Entryinfo

Created: 09/04/2018 06:43
Updated: 05/06/2023 16:42
Changes: 09/04/2018 06:43 (70), 03/20/2020 10:04 (3), 05/06/2023 16:35 (4), 05/06/2023 16:42 (1)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.