The Sleuth Kit up to 4.6.1 libtskfs.a ntfs_fix_idxrec 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.
7.0$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in The Sleuth Kit up to 4.6.1. Impacted is the function ntfs_fix_idxrec of the file libtskfs.a. Performing a manipulation results in out-of-bounds. This vulnerability is cataloged as CVE-2018-11737. It is possible to initiate the attack remotely. There is no exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in The Sleuth Kit up to 4.6.1. It has been classified as critical. This affects the function ntfs_fix_idxrec of the file libtskfs.a. 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 confidentiality, integrity, and availability. The summary by CVE is:

An issue was discovered in libtskfs.a in The Sleuth Kit (TSK) from release 4.0.2 through to 4.6.1. An out-of-bounds read of a memory region was found in the function ntfs_fix_idxrec in tsk/fs/ntfs_dent.cpp which could be leveraged by an attacker to disclose information or manipulated to read from unmapped memory causing a denial of service.

The bug was discovered 06/03/2018. The weakness was shared 06/05/2018 (Website). It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2018-11737 since 06/05/2018. 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. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability was handled as a non-public zero-day exploit for at least 2 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 112098 (Fedora 27 : sleuthkit (2018-7270b39f50)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 277688 (Fedora Security Update for sleuthkit (FEDORA-2018-7270b39f50)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 3 months after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (112098). The entries VDB-105948, VDB-105949, VDB-105952 and VDB-118960 are related to this item. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.2
VulDB Meta Temp Score: 7.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.1
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 112098
Nessus Name: Fedora 27 : sleuthkit (2018-7270b39f50)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Timelineinfo

06/03/2018 🔍
06/05/2018 +1 days 🔍
06/05/2018 +0 days 🔍
06/05/2018 +0 days 🔍
06/05/2018 +0 days 🔍
08/23/2018 +79 days 🔍
08/24/2018 +1 days 🔍
03/21/2023 +1670 days 🔍

Sourcesinfo

Advisory: FEDORA-2018-7270b39f50
Status: Confirmed

CVE: CVE-2018-11737 (🔍)
GCVE (CVE): GCVE-0-2018-11737
GCVE (VulDB): GCVE-100-118959
See also: 🔍

Entryinfo

Created: 06/05/2018 22:05
Updated: 03/21/2023 15:58
Changes: 06/05/2018 22:05 (72), 02/15/2020 08:51 (3), 03/21/2023 15:53 (4), 03/21/2023 15:58 (1)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Interested in the pricing of exploits?

See the underground prices here!