Bro up to 2.5.1 ContentLine Analyzer out-of-bounds write

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
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CTI Interest Score
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8.4$0-$5k0.00

Summaryinfo

A vulnerability has been found in Bro up to 2.5.1 and classified as critical. The impacted element is an unknown function of the component ContentLine Analyzer. Performing a manipulation results in out-of-bounds write. This vulnerability is identified as CVE-2017-1000458. The attack can be initiated remotely. There is not any exploit available. The affected component should be upgraded.

Detailsinfo

A vulnerability, which was classified as critical, was found in Bro up to 2.5.1. This affects an unknown part of the component ContentLine Analyzer. The manipulation with an unknown input leads to a out-of-bounds write vulnerability. CWE is classifying the issue as CWE-787. The product writes data past the end, or before the beginning, of the intended buffer. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

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.

The bug was discovered 01/02/2018. The weakness was released 01/02/2018 (Website). The advisory is shared at bro-tracker.atlassian.net. This vulnerability is uniquely identified as CVE-2017-1000458 since 01/02/2018. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available.

Upgrading to version 2.5.2 eliminates this vulnerability.

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Productinfo

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Out-of-bounds write
CWE: CWE-787 / CWE-119
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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Bro 2.5.2
Patch: github.com

Timelineinfo

01/02/2018 🔍
01/02/2018 +0 days 🔍
01/02/2018 +0 days 🔍
01/02/2018 +0 days 🔍
01/03/2018 +1 days 🔍
01/19/2023 +1842 days 🔍

Sourcesinfo

Product: github.com

Advisory: 6c0f101a62489b1c5927b4ed63b0e1d37db40282
Status: Not defined

CVE: CVE-2017-1000458 (🔍)
GCVE (CVE): GCVE-0-2017-1000458
GCVE (VulDB): GCVE-100-111261

Entryinfo

Created: 01/03/2018 09:22
Updated: 01/19/2023 18:59
Changes: 01/03/2018 09:22 (57), 12/19/2019 09:22 (1), 01/19/2023 18:59 (5)
Complete: 🔍
Cache ID: 216::103

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