Bro up to 2.5.5 Kerberos Protocol Parser main.bro resource management

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability was found in Bro up to 2.5.5. It has been classified as problematic. Impacted is an unknown function of the file scripts/base/protocols/krb/main.bro of the component Kerberos Protocol Parser. The manipulation leads to resource management. This vulnerability is documented as CVE-2018-16807. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in Bro up to 2.5.5. It has been rated as problematic. This issue affects an unknown code block of the file scripts/base/protocols/krb/main.bro of the component Kerberos Protocol Parser. The manipulation with an unknown input leads to a resource management vulnerability. Using CWE to declare the problem leads to CWE-399. Impacted is availability. The summary by CVE is:

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.

The bug was discovered 09/11/2018. The weakness was released 09/11/2018 (Website). The advisory is shared at github.com. The identification of this vulnerability is CVE-2018-16807 since 09/10/2018. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details are known, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 261110 (Linux Distros Unpatched Vulnerability : CVE-2018-16807), which helps to determine the existence of the flaw in a target environment.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at Tenable (261110). If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Resource management
CWE: CWE-399 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 261110
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2018-16807

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍
Patch: github.com

Timelineinfo

09/10/2018 🔍
09/10/2018 +0 days 🔍
09/11/2018 +1 days 🔍
09/11/2018 +0 days 🔍
09/11/2018 +0 days 🔍
09/04/2025 +2550 days 🔍

Sourcesinfo

Product: github.com

Advisory: 34d0cf886ca16c665f673a299e295b2a2bc14533
Status: Confirmed

CVE: CVE-2018-16807 (🔍)
GCVE (CVE): GCVE-0-2018-16807
GCVE (VulDB): GCVE-100-123821

Entryinfo

Created: 09/11/2018 15:12
Updated: 09/04/2025 05:01
Changes: 09/11/2018 15:12 (55), 03/22/2020 13:08 (1), 05/08/2023 09:30 (4), 09/04/2025 05:01 (23)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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