VDB-104682 · CVE-2017-11119 · GCVE-0-2017-11119

Nosefart 2.9-mls NSF File cpu/nes6502/nes6502.c chk_mem_access out-of-bounds

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	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.
4.4	$0-$5k	0.00

Summaryinfo

A vulnerability was found in Nosefart 2.9-mls and classified as problematic. The affected element is the function chk_mem_access of the file cpu/nes6502/nes6502.c of the component NSF File Handler. The manipulation results in out-of-bounds. This vulnerability is reported as CVE-2017-11119. The attack requires a local approach. No exploit exists.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Nosefart 2.9-mls. Affected is the function chk_mem_access of the file cpu/nes6502/nes6502.c of the component NSF File Handler. The manipulation with an unknown input leads to a out-of-bounds vulnerability. CWE is classifying the issue as CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. This is going to have an impact on availability. CVE summarizes:

The chk_mem_access function in cpu/nes6502/nes6502.c in libnosefart.a in Nosefart 2.9-mls allows remote attackers to cause a denial of service (invalid memory read and application crash) via a crafted nsf file.

The bug was discovered 07/30/2017. The weakness was disclosed 07/31/2017 (Website). The advisory is available at seclists.org. This vulnerability is traded as CVE-2017-11119 since 07/09/2017. 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. Technical details are known, but there is no available exploit.

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.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Name

Nosefart

Version

2.9-mls

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.4

VulDB Base Score: 3.3
VulDB Temp Score: 3.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

07/09/2017 🔍
07/30/2017 +21 days 🔍
07/31/2017 +1 days 🔍
07/31/2017 +0 days 🔍
08/01/2017 +1 days 🔍
11/02/2019 +823 days 🔍

Sourcesinfo

Advisory: seclists.org
Status: Not defined

CVE: CVE-2017-11119 (🔍)
GCVE (CVE): GCVE-0-2017-11119
GCVE (VulDB): GCVE-100-104682

Entryinfo

Created: 08/01/2017 08:50
Updated: 11/02/2019 15:57
Changes: 08/01/2017 08:50 (57), 11/02/2019 15:57 (1)
Complete: 🔍
Cache ID: 216::103