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CVE-2015-1521

UnknownEPSS 1.78%

Last modified

CVE-2015-1521 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 1.78% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability
1.78%

75.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
BroBro<= 2.3.1

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is 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-read if NDEBUG; otherwise assertion failure) via a crafted DNP3 packet.
How severe is CVE-2015-1521?
Severity scoring for CVE-2015-1521 is pending analysis. The EPSS model estimates a 1.78% probability of exploitation in the next 30 days.
How do I fix CVE-2015-1521?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2015-1521?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST