Liblouis 3.5.0 compileTranslationTable.c compileHyphenation memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.4$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Liblouis 3.5.0. Affected by this issue is the function compileHyphenation of the file compileTranslationTable.c. The manipulation results in memory corruption. This vulnerability is reported as CVE-2018-11685. The attack can be launched remotely. No exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in Liblouis 3.5.0. Affected is the function compileHyphenation 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:

Liblouis 3.5.0 has a stack-based Buffer Overflow in the function compileHyphenation in compileTranslationTable.c.

The bug was discovered 06/02/2018. The weakness was disclosed 06/04/2018 (Website). The advisory is shared for download at github.com. This vulnerability is traded as CVE-2018-11685 since 06/03/2018. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 2 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 111184 (EulerOS 2.0 SP2 : liblouis (EulerOS-SA-2018-1222)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Huawei Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 171589 (OpenSUSE Security Update for liblouis (openSUSE-SU-2018:2819-1)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 4 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (111184) and SecurityFocus (BID 104324†). The entries VDB-118154, VDB-118204, VDB-118393 and VDB-118810 are pretty similar. Once again VulDB remains the best source for vulnerability data.

Productinfo

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Version

Website

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: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Memory corruption
CWE: 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: 111184
Nessus Name: EulerOS 2.0 SP2 : liblouis (EulerOS-SA-2018-1222)
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

05/23/2018 🔍
06/02/2018 +10 days 🔍
06/03/2018 +1 days 🔍
06/04/2018 +0 days 🔍
06/04/2018 +0 days 🔍
06/04/2018 +0 days 🔍
06/30/2018 +26 days 🔍
07/20/2018 +20 days 🔍
03/21/2023 +1705 days 🔍

Sourcesinfo

Product: github.com

Advisory: 593
Status: Confirmed

CVE: CVE-2018-11685 (🔍)
GCVE (CVE): GCVE-0-2018-11685
GCVE (VulDB): GCVE-100-118812
SecurityFocus: 104324 - Liblouis CVE-2018-11410 Remote Denial of Service Vulnerability

See also: 🔍

Entryinfo

Created: 06/04/2018 15:37
Updated: 03/21/2023 09:27
Changes: 06/04/2018 15:37 (73), 02/14/2020 07:41 (5), 03/21/2023 09:23 (4), 03/21/2023 09:27 (1)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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