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FreeBSD : go -- net/http: panic due to racy read of persistConn after handler panic (880552c4-f63f-11eb-9d56-7186043316e9)

medium Nessus Plugin ID 152288

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Synopsis

The remote FreeBSD host is missing a security-related update.

Description

The Go project reports :

A net/http/httputil ReverseProxy can panic due to a race condition if its Handler aborts with ErrAbortHandler, for example due to an error in copying the response body. An attacker might be able to force the conditions leading to the race condition.

Solution

Update the affected package.

See Also

https://github.com/golang/go/issues/46866

http://www.nessus.org/u?ea052621

Plugin Details

Severity: Medium

ID: 152288

File Name: freebsd_pkg_880552c4f63f11eb9d567186043316e9.nasl

Version: 1.2

Type: local

Published: 8/9/2021

Updated: 8/23/2021

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.2

Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:N/A:P

CVSS Score Source: CVE-2021-36221

CVSS v3

Risk Factor: Medium

Base Score: 5.9

Temporal Score: 5.2

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:freebsd:freebsd:go, cpe:/o:freebsd:freebsd

Required KB Items: Host/local_checks_enabled, Host/FreeBSD/release, Host/FreeBSD/pkg_info

Exploit Ease: No known exploits are available

Patch Publication Date: 8/5/2021

Vulnerability Publication Date: 6/21/2021

Reference Information

CVE: CVE-2021-36221