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Ubuntu.comUB:CVE-2020-27637

HistoryJan 12, 2021 - 12:00 a.m.

CVE-2020-27637

2021-01-1200:00:00

ubuntu.com

r programming language

cran

path traversal

vulnerability

server compromise

package manager

update

bugs

unix

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:L/Au:N/C:C/I:C/A:C

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0.007

Percentile

80.9%

JSON

The R programming language’s default package manager CRAN is affected by a
path traversal vulnerability that can lead to server compromise. This
vulnerability affects packages installed via the R CMD install cli command
or the install.packages() function from the interpreter. Update to version
4.0.3

Bugs

<https://bugs.r-project.org/show_bug.cgi?id=16716>

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchr-base< anyUNKNOWN
ubuntu20.04noarchr-base< anyUNKNOWN
ubuntu14.04noarchr-base< anyUNKNOWN
ubuntu16.04noarchr-base< anyUNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	18.04	noarch	r-base	< any	UNKNOWN
ubuntu	20.04	noarch	r-base	< any	UNKNOWN
ubuntu	14.04	noarch	r-base	< any	UNKNOWN
ubuntu	16.04	noarch	r-base	< any	UNKNOWN

References

labs.bishopfox.com/advisories/cran-version-4.0.2

launchpad.net/bugs/cve/CVE-2020-27637

nvd.nist.gov/vuln/detail/CVE-2020-27637

security-tracker.debian.org/tracker/CVE-2020-27637

www.cve.org/CVERecord?id=CVE-2020-27637

www.r-project.org/foundation/

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:L/Au:N/C:C/I:C/A:C

CVSS3

9.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0.007

Percentile

80.9%

JSON

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