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redhatRedHatRHSA-2020:5493
HistoryDec 15, 2020 - 4:02 p.m.

(RHSA-2020:5493) Moderate: go-toolset:rhel8 security update

2020-12-1516:02:27
access.redhat.com
85
go toolset
security fix
golang
content-type
net/http/cgi
net/http/fcgi
xss
math/big
panic
recursive division
very large numbers
malicious symbol names
code execution
build time
improper validation
cgo flags
cve-2020-24553
cve-2020-28362
cve-2020-28366
cve-2020-28367

CVSS2

5.1

Attack Vector

NETWORK

Attack Complexity

HIGH

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:H/Au:N/C:P/I:P/A:P

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS

0.019

Percentile

88.7%

Go Toolset provides the Go programming language tools and libraries. Go is alternatively known as golang.

Security Fix(es):

  • golang: default Content-Type setting in net/http/cgi and net/http/fcgi could cause XSS (CVE-2020-24553)

  • golang: math/big: panic during recursive division of very large numbers (CVE-2020-28362)

  • golang: malicious symbol names can lead to code execution at build time (CVE-2020-28366)

  • golang: improper validation of cgo flags can lead to code execution at build time (CVE-2020-28367)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

CVSS2

5.1

Attack Vector

NETWORK

Attack Complexity

HIGH

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:H/Au:N/C:P/I:P/A:P

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS

0.019

Percentile

88.7%