GNU screen 4.5.0 on Linux privileges management

CVSS Meta Temp Score
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CTI Interest Score
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5.2$0-$5k0.00

A vulnerability has been found in GNU screen 4.5.0 on Linux and classified as critical. Affected by this vulnerability is an unknown function. The manipulation with an unknown input leads to a privileges management vulnerability. The CWE definition for the vulnerability is CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. As an impact it is known to affect confidentiality, integrity, and availability.

The weakness was released 01/25/2017 with Xiphos Research Ltd as EDB-ID 41154 as confirmed exploit (Exploit-DB). The advisory is shared at exploit-db.com. An attack has to be approached locally. The successful exploitation requires a single authentication. Technical details are unknown but a public exploit is available. MITRE ATT&CK project uses the attack technique T1068 for this issue.

A public exploit has been developed in Bash and been published immediately after the advisory. It is possible to download the exploit at exploit-db.com. It is declared as functional.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Exploit-DB (41154). Additional details are provided at lists.gnu.org.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
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CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.2

VulDB Base Score: 5.3
VulDB Temp Score: 5.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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VulDB Reliability: 🔍

Exploitinginfo

Class: Privileges management
CWE: CWE-269 / CWE-266
ATT&CK: T1068

Local: Yes
Remote: No

Availability: 🔍
Access: Public
Status: Functional
Programming Language: 🔍
Download: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍

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Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍
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Timelineinfo

01/25/2017 🔍
01/25/2017 +0 days 🔍
01/25/2017 +0 days 🔍
01/27/2017 +2 days 🔍
08/04/2020 +1285 days 🔍

Sourcesinfo

Vendor: gnu.org

Advisory: EDB-ID 41154
Organization: Xiphos Research Ltd
Status: Confirmed
scip Labs: https://www.scip.ch/en/?labs.20161013
Misc.: 🔍

Entryinfo

Created: 01/27/2017 13:45
Updated: 08/04/2020 09:48
Changes: 01/27/2017 13:45 (46), 08/04/2020 09:48 (2)
Complete: 🔍

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