CVE-2018-18834 : An issue has been found in libIEC61850 v1.3. It is a heap-based buffer overflow

An issue has been found in libIEC61850 v1.3. It is a heap-based buffer overflow in BerEncoder_encodeOctetString in mms/asn1/ber_encoder.c.

Published 2018-10-30 06:29:01

Updated 2020-08-24 17:37:01

Source MITRE

View at NVD, CVE.org

Vulnerability category: OverflowMemory Corruption

Products affected by CVE-2018-18834

Mz-automation » Libiec61850 » Version: 1.3
cpe:2.3:a:mz-automation:libiec61850:1.3:*:*:*:*:*:*:*
Matching versions

EPSS FAQ

0.46%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 61 %

Percentile, the proportion of vulnerabilities that are scored at or less

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
7.5	HIGH	AV:N/AC:L/Au:N/C:P/I:P/A:P	10.0	6.4	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: Partial Integrity Impact: Partial Availability Impact: Partial
9.8	CRITICAL	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	3.9	5.9	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High

CWE-787 Out-of-bounds Write

The product writes data past the end, or before the beginning, of the intended buffer.

Assigned by: nvd@nist.gov (Primary)

https://github.com/fouzhe/security/tree/master/libiec61850

security/libiec61850 at master · fouzhe/security · GitHub
Exploit;Third Party Advisory
https://github.com/mz-automation/libiec61850/issues/81

Heap buffer overflow in function BerEncoder_encodeOctetString · Issue #81 · mz-automation/libiec61850 · GitHub
Exploit;Third Party Advisory

Jump to