Buffer overflow in Bro

CVE-2017-1000458

Bro before Bro v2.5.2 is vulnerable to an out of bounds write in the ContentLine analyzer allowing remote attackers to cause a denial of service (crash) and possibly other exploitation.

Vulnerability class: Buffer Overflow

EPSS: 0.023 (81.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

  • Bro — versions 2.5.2
  • N/a — versions n/a

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2017-1000458?
CVE-2017-1000458 is a critical-severity vulnerability in Bro, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2018-01-02.
How severe is CVE-2017-1000458?
Critical severity. CVSS v3 base score is 9.8 out of 10.