Todd Miller sudo up to 1.8.20p1 Newline get_process_ttyname input validation
CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
6.8 | $0-$5k | 0.00 |
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 vulnerability database at Tenable (101005). Similar entries are available at 3180, 101873, 102744 and 118279.
Product
Type
Vendor
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.9VulDB 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: 🔍
CVSSv2
AV | AC | Au | C | I | A |
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💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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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: 🔍
Exploiting
Class: Input validationCWE: CWE-20
ATT&CK: Unknown
Local: Yes
Remote: No
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
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Today | unlock | unlock | unlock | unlock |
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: 🔍
Qualys Name: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍
Timeline
06/02/2017 🔍06/05/2017 🔍
06/05/2017 🔍
06/05/2017 🔍
06/05/2017 🔍
06/06/2017 🔍
06/22/2017 🔍
06/23/2017 🔍
12/07/2022 🔍
Sources
Advisory: RHSA-2017:1574Researcher: Stephane Chazelas
Status: Confirmed
Confirmation: 🔍
CVE: CVE-2017-1000368 (🔍)
SecurityFocus: 98838 - Sudo CVE-2017-1000368 Incomplete Fix Local Privilege Escalation Vulnerability
See also: 🔍
Entry
Created: 06/06/2017 08:54Updated: 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: 🔍
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