PowerDNS Authoritative up to 4.3.0 GSS-TSIG Signature denial of service

CVSS Meta Temp Score
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CTI Interest Score
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6.7$0-$5k0.00

Summaryinfo

A vulnerability labeled as problematic has been found in PowerDNS Authoritative up to 4.3.0. Impacted is an unknown function of the component GSS-TSIG Signature Handler. Such manipulation leads to denial of service. This vulnerability is referenced as CVE-2020-24696. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in PowerDNS Authoritative up to 4.3.0 (Domain Name Software). Affected by this issue is an unknown part of the component GSS-TSIG Signature Handler. The manipulation with an unknown input leads to a denial of service vulnerability. Using CWE to declare the problem leads to CWE-404. The product does not release or incorrectly releases a resource before it is made available for re-use. Impacted is availability. CVE summarizes:

An issue was discovered in PowerDNS Authoritative through 4.3.0 when --enable-experimental-gss-tsig is used. A remote, unauthenticated attacker can trigger a race condition leading to a crash, or possibly arbitrary code execution, by sending crafted queries with a GSS-TSIG signature.

The weakness was published 10/02/2020. This vulnerability is handled as CVE-2020-24696 since 08/27/2020. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1499.

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

Similar entry is available at VDB-162201. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.7
VulDB Meta Temp Score: 6.7

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

NVD Base Score: 8.1
NVD Vector: 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Denial of service
CWE: 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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/27/2020 🔍
10/02/2020 +36 days 🔍
10/02/2020 +0 days 🔍
11/15/2020 +44 days 🔍

Sourcesinfo

Status: Not defined

CVE: CVE-2020-24696 (🔍)
GCVE (CVE): GCVE-0-2020-24696
GCVE (VulDB): GCVE-100-162200
See also: 🔍

Entryinfo

Created: 10/02/2020 14:08
Updated: 11/15/2020 16:01
Changes: 10/02/2020 14:08 (35), 10/02/2020 14:13 (4), 11/14/2020 09:37 (4), 11/15/2020 16:01 (14)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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