CVE-2018-10238 - bvlc.c in skarg BACnet Protocol Stack bacserv 0.9.1 and 0.8.5 is affected by a Buffer Overflow because of a lack of packet-size validation

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CRITICAL

bvlc.c in skarg BACnet Protocol Stack bacserv 0.9.1 and 0.8.5 is affected by a Buffer Overflow because of a lack of packet-size validation

Published Apr 20, 2018

9.8

CRITICAL

CVSS 3.0

EPSS 1.61%

Description

bvlc.c in skarg BACnet Protocol Stack bacserv 0.9.1 and 0.8.5 is affected by a Buffer Overflow because of a lack of packet-size validation. The affected component is bacserv BACnet/IP BVLC forwarded NPDU. The function bvlc_bdt_forward_npdu() calls bvlc_encode_forwarded_npdu() which copies the content from the request into a local in the bvlc_bdt_forward_npdu() stack frame and clobbers the canary. The attack vector is: A BACnet/IP device with BBMD enabled based on this library connected to IP network. The fixed version is: 0.8.6.

Affected products

Remediation

No remediation recorded yet.

Weaknesses (1)

CWE-119

Buffer Overflow

References (3)

https://sourceforge.net/p/bacnet/bugs/55/
x_refsource_CONFIRM
https://sourceforge.net/p/bacnet/code/3168/
x_refsource_CONFIRMPatchThird Party Advisory
https://sourceforge.net/p/bacnet/code/3169/
x_refsource_CONFIRM

Link	Providers	Tags
https://sourceforge.net/p/bacnet/bugs/55/		x_refsource_CONFIRM
https://sourceforge.net/p/bacnet/code/3168/		x_refsource_CONFIRMPatchThird Party Advisory
https://sourceforge.net/p/bacnet/code/3169/		x_refsource_CONFIRM

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner mitre

Published Apr 20, 2018

Updated Aug 5, 2024

Reserved Apr 20, 2018

Link CVE-2018-10238

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 17, 2026

Link CVE-2018-10238

Red Hat

Severity n/a

Public date n/a

Links CVE-2018-10238