VDB-117384 · CVE-2018-9063 · BID 104125

Lenovo System Update up to 5.07 mapdrv.exe memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Lenovo System Update up to 5.07. This vulnerability affects unknown code of the file C:\Program Files\Lenovo\System Update\mapdrv.exe. The manipulation results in memory corruption. This vulnerability is cataloged as CVE-2018-9063. The attack must be initiated from a local position. There is no exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Lenovo System Update up to 5.07. It has been classified as critical. Affected is an unknown functionality of the file C:\Program Files\Lenovo\System Update\mapdrv.exe. 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:

MapDrv (C:\Program Files\Lenovo\System Update\mapdrv.exe) In Lenovo System Update versions earlier than 5.07.0072 contains a local vulnerability where an attacker entering very large user ID or password can overrun the program's buffer, causing undefined behaviors, such as execution of arbitrary code. No additional privilege is granted to the attacker beyond what is already possessed to run MapDrv.

The bug was discovered 05/03/2018. The weakness was shared 05/04/2018 by SaifAllah benMassaoud (Website). The advisory is shared for download at support.lenovo.com. This vulnerability is traded as CVE-2018-9063 since 03/27/2018. The attack needs to be approached locally. The successful exploitation needs a authentication. There are known technical details, but no exploit is available.

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 commercial vulnerability scanner Qualys is able to test this issue with plugin 370927 (Lenovo System Update Service Buffer Overflow Vulnerability).

Upgrading to version 5.07.0072 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 104125†). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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Version

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.5
VulDB Meta Temp Score: 6.4

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

NVD Base Score: 7.8
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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Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: System Update 5.07.0072

Timelineinfo

03/27/2018 🔍
05/03/2018 +37 days 🔍
05/04/2018 +0 days 🔍
05/04/2018 +0 days 🔍
05/05/2018 +1 days 🔍
05/05/2018 +0 days 🔍
02/02/2020 +638 days 🔍

Sourcesinfo

Vendor: lenovo.com

Advisory: support.lenovo.com
Researcher: SaifAllah benMassaoud
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-9063 (🔍)
GCVE (CVE): GCVE-0-2018-9063
GCVE (VulDB): GCVE-100-117384
SecurityFocus: 104125 - Lenovo System Update CVE-2018-9063 Local Buffer Overflow Vulnerability

Entryinfo

Created: 05/05/2018 17:18
Updated: 02/02/2020 15:51
Changes: 05/05/2018 17:18 (62), 02/02/2020 15:51 (5)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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