CVE-2018-16807 : In Bro through 2.5.5, there is a memory leak potentially leading to DoS in scrip

In Bro through 2.5.5, there is a memory leak potentially leading to DoS in scripts/base/protocols/krb/main.bro in the Kerberos protocol parser.

Published 2018-09-11 02:29:00

Updated 2019-10-03 00:03:26

Source MITRE

View at NVD, CVE.org

Vulnerability category: Denial of service

Products affected by CVE-2018-16807

BRO » BRO
Versions up to, including, (<=) 2.5.5
cpe:2.3:a:bro:bro:*:*:*:*:*:*:*:*
Matching versions

EPSS FAQ

0.09%

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

~ 38 %

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

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
5.0	MEDIUM	AV:N/AC:L/Au:N/C:N/I:N/A:P	10.0	2.9	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: None Integrity Impact: None Availability Impact: Partial
7.5	HIGH	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	3.9	3.6	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: None Integrity: None Availability: High

CWE-772 Missing Release of Resource after Effective Lifetime

The product does not release a resource after its effective lifetime has ended, i.e., after the resource is no longer needed.

Assigned by: nvd@nist.gov (Primary)

https://github.com/bro/bro/commit/34d0cf886ca16c665f673a299e295b2a2bc14533

Fix potential memory leak in Kerberos scripts · bro/bro@34d0cf8 · GitHub
Patch;Third Party Advisory

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