libffi 3.2.1 memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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5.5$0-$5k0.00

Summaryinfo

A vulnerability was found in libffi 3.2.1. It has been classified as critical. The impacted element is an unknown function. Performing a manipulation results in memory corruption. This vulnerability is identified as CVE-2017-1000376. The attack is only possible with local access. There is not any exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as critical has been found in libffi 3.2.1. This affects an unknown code block. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

libffi requests an executable stack allowing attackers to more easily trigger arbitrary code execution by overwriting the stack. Please note that libffi is used by a number of other libraries. This affects libffi version 3.2.1.

The bug was discovered 06/19/2017. The weakness was released 06/19/2017 (Website). The advisory is shared at access.redhat.com. This vulnerability is uniquely identified as CVE-2017-1000376 since 06/19/2017. An attack has to be approached locally. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 100966 (Debian DLA-997-1 : libffi security update (Stack Clash)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 196946 (Ubuntu Security Notification for Libffi Vulnerability (USN-3454-1)).

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

The vulnerability is also documented in the vulnerability database at Tenable (100966). Entry connected to this vulnerability is available at VDB-148928. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.7
VulDB Meta Temp Score: 5.6

VulDB Base Score: 4.5
VulDB Temp Score: 4.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.0
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 100966
Nessus Name: Debian DLA-997-1 : libffi security update (Stack Clash)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 703889
OpenVAS Name: Debian Security Advisory DSA 3889-1 (libffi - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Timelineinfo

06/19/2017 🔍
06/19/2017 +0 days 🔍
06/19/2017 +0 days 🔍
06/19/2017 +0 days 🔍
06/20/2017 +1 days 🔍
06/21/2017 +1 days 🔍
06/22/2017 +1 days 🔍
10/19/2019 +849 days 🔍

Sourcesinfo

Advisory: access.redhat.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-1000376 (🔍)
GCVE (CVE): GCVE-0-2017-1000376
GCVE (VulDB): GCVE-100-102681

OVAL: 🔍
See also: 🔍

Entryinfo

Created: 06/20/2017 08:09
Updated: 10/19/2019 09:22
Changes: 06/20/2017 08:09 (70), 10/19/2019 09:22 (4)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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