newVar3 0.4.8 util/decompile.c null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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5.3$0-$5k0.00

A vulnerability was found in newVar3 0.4.8. It has been classified as problematic. Affected is an unknown functionality of the file util/decompile.c. The manipulation with an unknown input leads to a null pointer dereference vulnerability. CWE is classifying the issue as CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. This is going to have an impact on availability. CVE summarizes:

A NULL pointer dereference was discovered in newVar3 in util/decompile.c in libming 0.4.8. The vulnerability causes a segmentation fault and application crash, which leads to denial of service.

The bug was discovered 03/07/2018. The weakness was shared 03/08/2018 (Website). The advisory is available at bugs.debian.org. This vulnerability is traded as CVE-2018-7866 since 03/08/2018. 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. The vulnerability scanner Nessus provides a plugin with the ID 110162 (Debian DLA-1386-1 : ming security update), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l.

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 (110162). The entries 114244, 114235, 114236 and 114237 are related to this item.

Productinfo

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Version

CPE 2.3info

CPE 2.2info

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CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.3

VulDB Base Score: 4.3
VulDB Temp Score: 4.1
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NVD Base Score: 6.5
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CVSSv2info

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Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
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ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

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Nessus ID: 110162
Nessus Name: Debian DLA-1386-1 : ming security update
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OpenVAS ID: 65387
OpenVAS Name: Debian LTS Advisory ([SECURITY] [DLA 1386-1] ming security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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Countermeasuresinfo

Recommended: Upgrade
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Timelineinfo

03/07/2018 🔍
03/08/2018 +1 days 🔍
03/08/2018 +0 days 🔍
03/08/2018 +0 days 🔍
03/09/2018 +1 days 🔍
05/25/2018 +77 days 🔍
05/29/2018 +4 days 🔍
02/17/2023 +1725 days 🔍

Sourcesinfo

Advisory: 118
Status: Not defined

CVE: CVE-2018-7866 (🔍)
See also: 🔍

Entryinfo

Created: 03/09/2018 08:26
Updated: 02/17/2023 14:58
Changes: 03/09/2018 08:26 (69), 01/11/2020 15:48 (3), 02/17/2023 14:55 (4), 02/17/2023 14:58 (1)
Complete: 🔍

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