Antenna House Office Server 6.1 Pro MR2 on Linux Document Conversion Launcher Service vbputanld DOC File out-of-bounds write

CVSS Meta Temp Score
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CTI Interest Score
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7.3$0-$5k0.00

Summaryinfo

A vulnerability classified as critical was found in Antenna House Office Server 6.1 Pro MR2 on Linux. Affected by this vulnerability is the function vbputanld of the component Document Conversion Launcher Service. Such manipulation as part of DOC File leads to out-of-bounds write. This vulnerability is uniquely identified as CVE-2018-3933. Local access is required to approach this attack. No exploit exists.

Detailsinfo

A vulnerability was found in Antenna House Office Server 6.1 Pro MR2 on Linux and classified as critical. Affected by this issue is the function vbputanld of the component Document Conversion Launcher Service. The manipulation as part of a DOC File leads to a out-of-bounds write vulnerability. Using CWE to declare the problem leads to CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability. CVE summarizes:

An exploitable out-of-bounds write exists in the Microsoft Word document conversion functionality of the Antenna House Office Server Document Converter version V6.1 Pro MR2 for Linux64 (6,1,2018,0312). A crafted Microsoft Word (DOC) document can lead to an out-of-bounds write, resulting in remote code execution. This vulnerability occurs in the `vbputanld` method.

The bug was discovered 07/10/2018. The weakness was disclosed 07/11/2018 (Website). The advisory is shared for download at talosintelligence.com. This vulnerability is handled as CVE-2018-3933 since 01/02/2018. The attack may be launched remotely. No form of authentication is required for exploitation. 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 1 days. During that time the estimated underground price was around $0-$5k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The entries VDB-121353, VDB-121351, VDB-121350 and VDB-121349 are pretty similar. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.3

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

NVD Base Score: 7.8
NVD Vector: 🔍

CNA Base Score: 8.8
CNA Vector (Talos): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Out-of-bounds write
CWE: CWE-787 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/02/2018 🔍
07/10/2018 +189 days 🔍
07/11/2018 +0 days 🔍
07/11/2018 +0 days 🔍
07/12/2018 +1 days 🔍
04/06/2023 +1729 days 🔍

Sourcesinfo

Advisory: talosintelligence.com
Status: Not defined

CVE: CVE-2018-3933 (🔍)
GCVE (CVE): GCVE-0-2018-3933
GCVE (VulDB): GCVE-100-121352
See also: 🔍

Entryinfo

Created: 07/12/2018 10:05
Updated: 04/06/2023 20:16
Changes: 07/12/2018 10:05 (61), 03/04/2020 11:10 (1), 04/06/2023 20:16 (14)
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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