Hashicorp Consul/Consul Enterprise up to 1.6.5/1.7.3 HTTP API memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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5.6$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Hashicorp Consul and Consul Enterprise up to 1.6.5/1.7.3. The impacted element is an unknown function of the component HTTP API. The manipulation leads to memory corruption. This vulnerability is uniquely identified as CVE-2020-13250. The attack is possible to be carried out remotely. No exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, has been found in Hashicorp Consul and Consul Enterprise up to 1.6.5/1.7.3. This issue affects an unknown functionality of the component HTTP API. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is availability. The summary by CVE is:

HashiCorp Consul and Consul Enterprise include an HTTP API (introduced in 1.2.0) and DNS (introduced in 1.4.3) caching feature that was vulnerable to denial of service. Fixed in 1.6.6 and 1.7.4.

The weakness was disclosed 06/11/2020 (GitHub Repository). It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2020-13250 since 05/20/2020. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available.

Upgrading to version 1.6.6 or 1.7.4 eliminates this vulnerability.

The entries VDB-156644, VDB-156645 and VDB-156646 are pretty similar. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

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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: 6.1

VulDB Base Score: 5.3
VulDB Temp Score: 4.7
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: Memory corruption
CWE: 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: Consul/Consul Enterprise 1.6.6/1.7.4

Timelineinfo

05/20/2020 🔍
06/11/2020 +22 days 🔍
06/12/2020 +1 days 🔍
10/24/2020 +134 days 🔍

Sourcesinfo

Product: github.com

Advisory: github.com
Status: Not defined
Confirmation: 🔍

CVE: CVE-2020-13250 (🔍)
GCVE (CVE): GCVE-0-2020-13250
GCVE (VulDB): GCVE-100-156647
See also: 🔍

Entryinfo

Created: 06/12/2020 10:30
Updated: 10/24/2020 11:10
Changes: 06/12/2020 10:30 (40), 06/12/2020 10:35 (17), 10/24/2020 11:10 (1)
Complete: 🔍
Cache ID: 216::103

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