STDU Viewer 1.6.375 memory corruption

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.
5.9$0-$5k0.00

Summaryinfo

A vulnerability was found in STDU Viewer 1.6.375. It has been declared as critical. This affects an unknown function. Executing a manipulation can lead to memory corruption. The identification of this vulnerability is CVE-2017-8387. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability has been found in STDU Viewer 1.6.375 (Document Reader Software) and classified as critical. This vulnerability affects some unknown processing. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

STDU Viewer version 1.6.375 might allow user-assisted attackers to execute code via a crafted file. One threat model is a victim who obtains an untrusted crafted file from a remote location and issues several user-defined commands including Ctrl-+ commands.

The bug was discovered 05/01/2017. The weakness was shared 07/05/2017 (Website). The advisory is shared for download at github.com. This vulnerability was named CVE-2017-8387 since 05/01/2017. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 65 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.

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

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.9

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

NVD Base Score: 5.5
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: Memory corruption
CWE: 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

05/01/2017 🔍
05/01/2017 +0 days 🔍
07/05/2017 +65 days 🔍
07/05/2017 +0 days 🔍
07/06/2017 +1 days 🔍
10/22/2019 +838 days 🔍

Sourcesinfo

Advisory: github.com
Status: Not defined

CVE: CVE-2017-8387 (🔍)
GCVE (CVE): GCVE-0-2017-8387
GCVE (VulDB): GCVE-100-103144

Entryinfo

Created: 07/06/2017 11:00
Updated: 10/22/2019 18:46
Changes: 07/06/2017 11:00 (55), 10/22/2019 18:46 (1)
Complete: 🔍
Cache ID: 216::103

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