Liblouis 3.2.0 compileTranslationTable.c includeFile memory corruption
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
6.8 | $0-$5k | 0.00 |
A vulnerability was found in Liblouis 3.2.0. It has been classified as critical. Affected is the function includeFile
of the file compileTranslationTable.c. 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. CVE summarizes:
There is a stack-based buffer overflow in Liblouis 3.2.0, triggered in the function includeFile() in compileTranslationTable.c, that will lead to a remote denial of service attack.
The bug was discovered 08/29/2017. The weakness was released 08/29/2017 (Website). The advisory is shared for download at securityfocus.com. This vulnerability is traded as CVE-2017-13742 since 08/29/2017. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are known technical details, but no exploit is available.
The vulnerability scanner Nessus provides a plugin with the ID 102956 (Ubuntu 14.04 LTS / 16.04 LTS / 17.04 : liblouis vulnerabilities (USN-3408-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Ubuntu Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 196915 (Ubuntu Security Notification for Liblouis Vulnerabilities (USN-3408-1)).
Upgrading eliminates this vulnerability. A possible mitigation has been published 6 days after the disclosure of the vulnerability.
The vulnerability is also documented in the vulnerability database at Tenable (102956).
Product
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
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CVSSv3
VulDB Meta Base Score: 6.9VulDB Meta Temp Score: 6.8
VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 6.5
NVD Vector: 🔍
CVSSv2
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Exploiting
Class: Memory corruptionCWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
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Nessus ID: 102956
Nessus Name: Ubuntu 14.04 LTS / 16.04 LTS / 17.04 : liblouis vulnerabilities (USN-3408-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
OpenVAS ID: 64337
OpenVAS Name: CentOS Update for liblouis CESA-2017:3111 centos7
OpenVAS File: 🔍
OpenVAS Family: 🔍
Qualys ID: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
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Countermeasures
Recommended: UpgradeStatus: 🔍
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Timeline
08/29/2017 🔍08/29/2017 🔍
08/29/2017 🔍
08/29/2017 🔍
08/29/2017 🔍
08/30/2017 🔍
09/04/2017 🔍
09/05/2017 🔍
12/27/2022 🔍
Sources
Advisory: RHSA-2017:3111⛔Researcher: OWL337
Status: Not defined
CVE: CVE-2017-13742 (🔍)
SecurityFocus: 100607 - Liblouis Multiple Security Vulnerabilities
Entry
Created: 08/30/2017 08:56Updated: 12/27/2022 08:47
Changes: 08/30/2017 08:56 (67), 11/11/2019 17:48 (11), 01/10/2021 11:05 (2), 12/27/2022 08:47 (3)
Complete: 🔍
Cache ID: 18:060:103
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