Google Go up to 1.13.12/1.14.4 Proxy httputil.ReverseProxy Response race condition

Summaryinfo

A vulnerability was found in Google Go up to 1.13.12/1.14.4. It has been classified as critical. Affected is the function httputil.ReverseProxy of the component Proxy Handler. Performing a manipulation as part of Response results in race condition. This vulnerability is identified as CVE-2020-15586. The attack can be initiated remotely. There is not any exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as critical has been found in Google Go up to 1.13.12/1.14.4 (Programming Language Software). This affects the function httputil.ReverseProxy of the component Proxy Handler. The manipulation as part of a Response leads to a race condition vulnerability. CWE is classifying the issue as CWE-362. The product contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently. This is going to have an impact on availability. The summary by CVE is:

Go before 1.13.13 and 1.14.x before 1.14.5 has a data race in some net/http servers, as demonstrated by the httputil.ReverseProxy Handler, because it reads a request body and writes a response at the same time.

The weakness was released 07/17/2020 (Website). It is possible to read the advisory at groups.google.com. This vulnerability is uniquely identified as CVE-2020-15586 since 07/07/2020. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 236585 (Alibaba Cloud Linux 3 : 0069: go-toolset:rhel8 (ALINUX3-SA-2021:0069)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 1.13.13 or 1.14.5 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (236585). Entry connected to this vulnerability is available at VDB-158749. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

• Programming Language Software

Vendor

• Google

Name

• Go

Version

• 1.13.0
• 1.13.1
• 1.13.2
• 1.13.3
• 1.13.4
• 1.13.5
• 1.13.6
• 1.13.7
• 1.13.8
• 1.13.9
• 1.13.10
• 1.13.11
• 1.13.12
• 1.14.0
• 1.14.1
• 1.14.2
• 1.14.3
• 1.14.4

License

• open-source

Website

• Vendor: https://www.google.com/

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

Be aware that VulDB is the high quality source for vulnerability data.

Discussion