Liblouis 3.5.0 compileTranslationTable.c compileRule Invalid Free use after free

CVSS Meta Temp Score
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CTI Interest Score
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8.4$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Liblouis 3.5.0. This vulnerability affects the function compileRule of the file compileTranslationTable.c. Such manipulation leads to use after free (Invalid Free). This vulnerability is traded as CVE-2018-11410. The attack may be launched remotely. There is no exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Liblouis 3.5.0. Affected by this issue is the function compileRule of the file compileTranslationTable.c. The manipulation with an unknown input leads to a use after free vulnerability (Invalid Free). Using CWE to declare the problem leads to CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. Impacted is confidentiality, integrity, and availability. CVE summarizes:

An issue was discovered in Liblouis 3.5.0. A invalid free in the compileRule function in compileTranslationTable.c allows remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact.

The bug was discovered 05/23/2018. The weakness was shared 05/24/2018 (Website). The advisory is available at securityfocus.com. This vulnerability is handled as CVE-2018-11410 since 05/24/2018. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details are known, but there is no available exploit.

The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 110322 (Ubuntu 14.04 LTS / 16.04 LTS / 17.10 / 18.04 LTS : liblouis vulnerabilities (USN-3669-1)), 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 172257 (OpenSUSE Security Update for liblouis (openSUSE-SU-2019:1160-1)).

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

The vulnerability is also documented in the databases at Tenable (110322) and SecurityFocus (BID 104324†). The entries VDB-118204, VDB-118393, VDB-118810 and VDB-118811 are related to this item. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Name: Invalid Free
Class: Use after free / Invalid Free
CWE: CWE-416 / 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: 110322
Nessus Name: Ubuntu 14.04 LTS / 16.04 LTS / 17.10 / 18.04 LTS : liblouis vulnerabilities (USN-3669-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Timelineinfo

05/23/2018 🔍
05/23/2018 +0 days 🔍
05/24/2018 +0 days 🔍
05/24/2018 +0 days 🔍
05/24/2018 +0 days 🔍
05/24/2018 +0 days 🔍
06/04/2018 +11 days 🔍
06/05/2018 +1 days 🔍
03/17/2023 +1746 days 🔍

Sourcesinfo

Advisory: USN-3669-1⛔
Status: Confirmed

CVE: CVE-2018-11410 (🔍)
GCVE (CVE): GCVE-0-2018-11410
GCVE (VulDB): GCVE-100-118154
SecurityFocus: 104324 - Liblouis CVE-2018-11410 Remote Denial of Service Vulnerability

See also: 🔍

Entryinfo

Created: 05/24/2018 18:04
Updated: 03/17/2023 07:46
Changes: 05/24/2018 18:04 (75), 02/08/2020 14:16 (5), 03/17/2023 07:46 (4)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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