libLAS 1.8.1 liblas/liblas.hpp liblas::Open resource management
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.4 | $0-$5k | 0.00 |
Summary
A vulnerability, which was classified as problematic, has been found in libLAS 1.8.1. Impacted is the function liblas::Open in the library liblas/liblas.hpp. The manipulation leads to resource management.
This vulnerability is uniquely identified as CVE-2018-20540. The attack is possible to be carried out remotely. No exploit exists.
Details
A vulnerability was found in libLAS 1.8.1 and classified as problematic. This issue affects the function liblas::Open in the library liblas/liblas.hpp. The manipulation with an unknown input leads to a resource management vulnerability. Using CWE to declare the problem leads to CWE-399. Impacted is availability. The summary by CVE is:
There is memory leak at liblas::Open (liblas/liblas.hpp) in libLAS 1.8.1.
The bug was discovered 11/22/2018. The weakness was disclosed 12/28/2018 (Website). It is possible to read the advisory at bugzilla.redhat.com. The identification of this vulnerability is CVE-2018-20540 since 12/27/2018. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit.
The vulnerability was handled as a non-public zero-day exploit for at least 36 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 261390 (Linux Distros Unpatched Vulnerability : CVE-2018-20540), which helps to determine the existence of the flaw in a target environment.
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 Tenable (261390). The entries VDB-128506, VDB-128504 and VDB-128503 are pretty similar. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
Product
Name
Version
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.4VulDB Meta Temp Score: 5.4
VulDB Base Score: 4.3
VulDB Temp Score: 4.3
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 6.5
NVD Vector: 🔍
CVSSv2
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Resource managementCWE: CWE-399 / CWE-404
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 |
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Nessus ID: 261390
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2018-20540
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: no mitigation knownStatus: 🔍
0-Day Time: 🔍
Timeline
11/22/2018 🔍12/27/2018 🔍
12/28/2018 🔍
12/28/2018 🔍
12/29/2018 🔍
09/08/2025 🔍
Sources
Advisory: FEDORA-2020-6dbbecb893Status: Not defined
CVE: CVE-2018-20540 (🔍)
GCVE (CVE): GCVE-0-2018-20540
GCVE (VulDB): GCVE-100-128507
See also: 🔍
Entry
Created: 12/29/2018 17:35Updated: 09/08/2025 07:47
Changes: 12/29/2018 17:35 (57), 04/24/2020 21:29 (1), 06/22/2023 11:39 (3), 09/08/2025 07:47 (16)
Complete: 🔍
Cache ID: 216::103
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
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