VDB-103386 · CVE-2017-5640 · BID 99508

Apache Impala up to 2.7.x/2.8.0 Kerberos improper authentication

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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8.5$5k-$25k0.00

Summaryinfo

A vulnerability labeled as critical has been found in Apache Impala up to 2.7.x/2.8.0. This affects an unknown function of the component Kerberos Handler. The manipulation results in improper authentication. This vulnerability is identified as CVE-2017-5640. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability, which was classified as critical, was found in Apache Impala up to 2.7.x/2.8.0. Affected is an unknown part of the component Kerberos Handler. The manipulation with an unknown input leads to a improper authentication vulnerability. CWE is classifying the issue as CWE-287. When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

It was noticed that a malicious process impersonating an Impala daemon in Apache Impala (incubating) 2.7.0 to 2.8.0 could cause Impala daemons to skip authentication checks when Kerberos is enabled (but TLS is not). If the malicious server responds with 'COMPLETE' before the SASL handshake has completed, the client will consider the handshake as completed even though no exchange of credentials has happened.

The bug was discovered 07/10/2017. The weakness was released 07/10/2017 by Security Team (Website). The advisory is available at lists.apache.org. This vulnerability is traded as CVE-2017-5640 since 01/29/2017. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $5k-$25k at the moment (estimation calculated on 10/24/2019).

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 SecurityFocus (BID 99508†). Entry connected to this vulnerability is available at VDB-103387. If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

VulDB Base Score: 7.3
VulDB Temp Score: 7.3
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: Improper authentication
CWE: CWE-287
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: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

01/29/2017 🔍
07/10/2017 +162 days 🔍
07/10/2017 +0 days 🔍
07/10/2017 +0 days 🔍
07/10/2017 +0 days 🔍
07/11/2017 +1 days 🔍
10/24/2019 +835 days 🔍

Sourcesinfo

Vendor: apache.org

Advisory: lists.apache.org
Researcher: Security Team
Status: Not defined

CVE: CVE-2017-5640 (🔍)
GCVE (CVE): GCVE-0-2017-5640
GCVE (VulDB): GCVE-100-103386
SecurityFocus: 99508 - Apache IMPALA CVE-2017-5640 Authentication Bypass Vulnerability

See also: 🔍

Entryinfo

Created: 07/11/2017 12:49
Updated: 10/24/2019 16:40
Changes: 07/11/2017 12:49 (59), 10/24/2019 16:40 (4)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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