VDB-123650 · CVE-2018-1000663 · GCVE-0-2018-1000663

Jsish 2.4.70 jsiEval.c _jsi_evalcode memory corruption

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.
6.4	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Jsish 2.4.70. Affected is the function _jsi_evalcode of the file jsiEval.c. Such manipulation leads to memory corruption. This vulnerability is referenced as CVE-2018-1000663. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

A vulnerability was found in Jsish 2.4.70. It has been rated as critical. Affected by this issue is the function _jsi_evalcode of the file jsiEval.c. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. CVE summarizes:

jsish version 2.4.70 2.047 contains a Buffer Overflow vulnerability in function _jsi_evalcode from jsiEval.c that can result in Crash due to segmentation fault. This attack appear to be exploitable via The victim must execute crafted javascript code.

The bug was discovered 08/20/2018. The weakness was published 09/06/2018 (Website). The advisory is available at jsish.org. This vulnerability is handled as CVE-2018-1000663 since 09/06/2018. The attack may be launched remotely. No form of authentication is required for exploitation. 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 17 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.

Similar entry is available at VDB-123649. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Name

Jsish

Version

2.4.70

License

open-source

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

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

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
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

08/20/2018 🔍
09/06/2018 +16 days 🔍
09/06/2018 +0 days 🔍
09/06/2018 +0 days 🔍
09/06/2018 +0 days 🔍
03/21/2020 +562 days 🔍

Sourcesinfo

Advisory: jsish.org
Status: Not defined
Confirmation: 🔍

CVE: CVE-2018-1000663 (🔍)
GCVE (CVE): GCVE-0-2018-1000663
GCVE (VulDB): GCVE-100-123650
See also: 🔍

Entryinfo

Created: 09/06/2018 20:50
Updated: 03/21/2020 08:18
Changes: 09/06/2018 20:50 (57), 03/21/2020 08:18 (2)
Complete: 🔍
Cache ID: 216::103

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