1. Home
  2. CVE Database
  3. CVE-2015-1521
HIGH · 7.5

CVE-2015-1521

analyzer/protocol/dnp3/DNP3.cc in Bro before 2.3.2 does not properly handle zero values of a packet length, which allows remote attackers to cause a denial of service (buffer overflow or buffer over-r...

Vulnerability Description

analyzer/protocol/dnp3/DNP3.cc in Bro before 2.3.2 does not properly handle zero values of a packet length, which allows remote attackers to cause a denial of service (buffer overflow or buffer over-read if NDEBUG; otherwise assertion failure) via a crafted DNP3 packet.

CVSS Score

7.5

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH

Affected Products

VendorProductVersions
BroBro<= 2.3.1

Related Weaknesses (CWE)

CWE-119

References

FAQ

What is CVE-2015-1521?

CVE-2015-1521 is a vulnerability with a CVSS score of 7.5 (HIGH). analyzer/protocol/dnp3/DNP3.cc in Bro before 2.3.2 does not properly handle zero values of a packet length, which allows remote attackers to cause a denial of service (buffer overflow or buffer over-r...

How severe is CVE-2015-1521?

CVE-2015-1521 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2015-1521?

Check the references section above for vendor advisories and patch information. Affected products include: Bro Bro.