ISC BIND 9.16.0/9.16.1/9.16.2/9.16.3 Zone Transfer rdataset.c assertion

CVSS Meta Temp Score
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CTI Interest Score
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4.7$0-$5k0.00

Summaryinfo

A vulnerability has been found in ISC BIND 9.16.0/9.16.1/9.16.2/9.16.3 and classified as problematic. Affected by this vulnerability is an unknown functionality of the file rdataset.c of the component Zone Transfer Handler. Performing a manipulation results in assertion. This vulnerability is known as CVE-2020-8618. Remote exploitation of the attack is possible. No exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability classified as problematic has been found in ISC BIND 9.16.0/9.16.1/9.16.2/9.16.3 (Domain Name Software). This affects an unknown part of the file rdataset.c of the component Zone Transfer Handler. The manipulation with an unknown input leads to a assertion vulnerability. CWE is classifying the issue as CWE-617. The product contains an assert() or similar statement that can be triggered by an attacker, which leads to an application exit or other behavior that is more severe than necessary. This is going to have an impact on availability. The summary by CVE is:

An attacker who is permitted to send zone data to a server via zone transfer can exploit this to intentionally trigger the assertion failure with a specially constructed zone, denying service to clients.

The weakness was published 06/17/2020 (Website). It is possible to read the advisory at kb.isc.org. This vulnerability is uniquely identified as CVE-2020-8618 since 02/05/2020. It is possible to initiate the attack remotely. The exploitation requires an enhanced level of successful authentication. Technical details of the vulnerability are known, but there is no available exploit.

Upgrading to version 9.16.4 eliminates this vulnerability.

Similar entry is available at VDB-156916. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.9
VulDB Meta Temp Score: 4.8

VulDB Base Score: 4.9
VulDB Temp Score: 4.7
VulDB Vector: 🔍
VulDB Reliability: 🔍

Vendor Base Score (ISC): 4.9
Vendor Vector (ISC): 🔍

NVD Base Score: 4.9
NVD Vector: 🔍

CVSSv2info

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

Exploitinginfo

Class: Assertion
CWE: CWE-617
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: BIND 9.16.4

Timelineinfo

02/05/2020 🔍
06/17/2020 +133 days 🔍
06/18/2020 +1 days 🔍
10/25/2020 +129 days 🔍

Sourcesinfo

Vendor: isc.org

Advisory: kb.isc.org
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2020-8618 (🔍)
GCVE (CVE): GCVE-0-2020-8618
GCVE (VulDB): GCVE-100-156915
See also: 🔍

Entryinfo

Created: 06/18/2020 11:48
Updated: 10/25/2020 09:06
Changes: 06/18/2020 11:48 (51), 06/18/2020 11:53 (12), 10/25/2020 09:03 (1), 10/25/2020 09:06 (1)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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