slicer69 doas up to 6.1 sscanf Variable uninitialized resource
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 9.6 | $0-$5k | 0.00 |
Summary
A vulnerability was found in slicer69 doas up to 6.1. It has been classified as critical. The impacted element is the function sscanf. This manipulation as part of Variable causes use of uninitialized resource.
This vulnerability appears as CVE-2019-15900. The attack may be initiated remotely. There is no available exploit.
Upgrading the affected component is recommended.
Details
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 VDB-143954 for similar entry. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
Product
Vendor
Name
Version
License
Website
- Product: https://github.com/slicer69/doas/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 9.8VulDB 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: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Use of uninitialized resourceCWE: CWE-1187 / CWE-908
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: doas 6.2
Patch: github.com
Timeline
09/03/2019 🔍10/18/2019 🔍
10/19/2019 🔍
01/17/2024 🔍
Sources
Product: github.comAdvisory: 2f83222829448e5bc4c9391d607ec265a1e06531
Status: Not defined
CVE: CVE-2019-15900 (🔍)
GCVE (CVE): GCVE-0-2019-15900
GCVE (VulDB): GCVE-100-143953
See also: 🔍
Entry
Created: 10/19/2019 07:30Updated: 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: 🔍
Cache ID: 216::103
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
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