Todd Miller sudo up to 1.8.20p1 Newline get_process_ttyname input validation

CVSS Meta Temp Score
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CTI Interest Score
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6.8$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in Todd Miller sudo up to 1.8.20p1. Impacted is the function get_process_ttyname of the component Newline Handler. The manipulation leads to input validation. This vulnerability is referenced as CVE-2017-1000368. The attack can only be performed from a local environment. No exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in Todd Miller sudo up to 1.8.20p1 (Operating System Utility Software) and classified as critical. This issue affects the function get_process_ttyname of the component Newline Handler. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is confidentiality, integrity, and availability.

The bug was discovered 06/05/2017. The weakness was published 06/05/2017 (Website). It is possible to read the advisory at sudo.ws. The identification of this vulnerability is CVE-2017-1000368. The exploitation is known to be easy. Attacking locally is a requirement. No form of authentication is needed for a successful exploitation. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 101005 (CentOS 6 / 7 : sudo (CESA-2017:1574)), which helps to determine the existence of the flaw in a target environment. It is running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 197451 (Ubuntu Security Notification for Sudo Vulnerabilities (USN-3968-1)).

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

The vulnerability is also documented in the databases at Tenable (101005) and SecurityFocus (BID 98838†). Similar entries are available at VDB-3180, VDB-101873, VDB-102744 and VDB-118279. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.9
VulDB Meta Temp Score: 6.8

VulDB Base Score: 5.7
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 8.2
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 101005
Nessus Name: CentOS 6 / 7 : sudo (CESA-2017:1574)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 881932
OpenVAS Name: CentOS Update for sudo CESA-2017:1574 centos7
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
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Timelineinfo

06/02/2017 🔍
06/05/2017 +17088 days 🔍
06/05/2017 +0 days 🔍
06/05/2017 +0 days 🔍
06/05/2017 +0 days 🔍
06/06/2017 +1 days 🔍
06/22/2017 +16 days 🔍
06/23/2017 +1 days 🔍
12/07/2022 +1993 days 🔍

Sourcesinfo

Advisory: RHSA-2017:1574
Researcher: Stephane Chazelas
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-1000368 (🔍)
GCVE (CVE): GCVE-0-2017-1000368
GCVE (VulDB): GCVE-100-101975
SecurityFocus: 98838 - Sudo CVE-2017-1000368 Incomplete Fix Local Privilege Escalation Vulnerability

See also: 🔍

Entryinfo

Created: 06/06/2017 08:54
Updated: 12/07/2022 18:50
Changes: 06/06/2017 08:54 (76), 10/13/2019 18:07 (6), 12/26/2020 09:45 (2), 12/07/2022 18:50 (3)
Complete: 🔍
Cache ID: 216::103

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