Vulnerability Details : CVE-2019-19958
Potential exploit
In libIEC61850 1.4.0, StringUtils_createStringFromBuffer in common/string_utilities.c has an integer signedness issue that could lead to an attempted excessive memory allocation and denial of service.
Vulnerability category: Denial of service
Products affected by CVE-2019-19958
- cpe:2.3:a:mz-automation:libiec61850:1.4.0:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2019-19958
0.43%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 62 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2019-19958
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:N/A:P |
8.6
|
2.9
|
NIST | |
|
6.5
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
2.8
|
3.6
|
NIST |
CWE ids for CVE-2019-19958
-
When converting from one data type to another, such as long to integer, data can be omitted or translated in a way that produces unexpected values. If the resulting values are used in a sensitive context, then dangerous behaviors may occur.Assigned by: nvd@nist.gov (Primary)
-
The product allocates a reusable resource or group of resources on behalf of an actor without imposing any restrictions on the size or number of resources that can be allocated, in violation of the intended security policy for that actor.Assigned by: nvd@nist.gov (Primary)
References for CVE-2019-19958
-
https://github.com/mz-automation/libiec61850/issues/198
integer signedness in StringUtils_createStringFromBuffer in src/common/string_utilities.c · Issue #198 · mz-automation/libiec61850 · GitHubExploit;Third Party Advisory
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