slicer69 doas up to 6.1 sscanf Variable uninitialized resource

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 (≈)
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CTI Interest Score
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9.6$0-$5k0.00

A vulnerability was found in slicer69 doas up to 6.1. It has been declared as very critical. Affected by this vulnerability is the function sscanf. The manipulation as part of a Variable leads to a use of uninitialized resource vulnerability. The CWE definition for the vulnerability is CWE-1187. This entry has been deprecated because it was a duplicate of CWE-908. All content has been transferred to CWE-908. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

An issue was discovered in slicer69 doas before 6.2 on certain platforms other than OpenBSD. On platforms without strtonum(3), sscanf was used without checking for error cases. Instead, the uninitialized variable errstr was checked and in some cases returned success even if sscanf failed. The result was that, instead of reporting that the supplied username or group name did not exist, it would execute the command as root.

The weakness was presented 10/18/2019. This vulnerability is known as CVE-2019-15900 since 09/03/2019. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 01/17/2024).

Upgrading to version 6.2 eliminates this vulnerability.

See 143954 for similar entry.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 9.6

VulDB Base Score: 9.8
VulDB Temp Score: 9.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Use of uninitialized resource
CWE: CWE-1187 / CWE-908
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
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Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: doas 6.2
Patch: github.com

Timelineinfo

09/03/2019 🔍
10/18/2019 +45 days 🔍
10/19/2019 +1 days 🔍
01/17/2024 +1551 days 🔍

Sourcesinfo

Advisory: 2f83222829448e5bc4c9391d607ec265a1e06531
Status: Not defined

CVE: CVE-2019-15900 (🔍)
See also: 🔍

Entryinfo

Created: 10/19/2019 07:30
Updated: 01/17/2024 08:56
Changes: 10/19/2019 07:30 (39), 10/19/2019 07:35 (17), 01/17/2024 08:56 (6)
Complete: 🔍

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