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

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
6.5$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Antenna House Office Server 6.1 Pro MR2 on Linux. Affected by this issue is some unknown functionality of the component Document Conversion Launcher Service. Performing a manipulation as part of DOC File results in out-of-bounds write. This vulnerability was named CVE-2018-3936. The attack needs to be approached locally. There is no available exploit.

Detailsinfo

A vulnerability was found in Antenna House Office Server 6.1 Pro MR2 on Linux. It has been classified as critical. This affects an unknown functionality of the component Document Conversion Launcher Service. The manipulation as part of a DOC File leads to a out-of-bounds write vulnerability. CWE is classifying the issue as CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

In 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.

The bug was discovered 07/10/2018. The weakness was presented 07/11/2018 (Website). The advisory is shared at talosintelligence.com. This vulnerability is uniquely identified as CVE-2018-3936 since 01/02/2018. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly 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.

See VDB-121352, VDB-121351, VDB-121350 and VDB-121349 for similar entries. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

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

NVD Base Score: 7.8
NVD Vector: 🔍

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 🔍
03/04/2020 +601 days 🔍

Sourcesinfo

Advisory: talosintelligence.com
Status: Not defined

CVE: CVE-2018-3936 (🔍)
GCVE (CVE): GCVE-0-2018-3936
GCVE (VulDB): GCVE-100-121353
See also: 🔍

Entryinfo

Created: 07/12/2018 10:05
Updated: 03/04/2020 11:16
Changes: 07/12/2018 10:05 (59), 03/04/2020 11:16 (1)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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