CVE-2021-27919

medium
New! CVE Severity Now Using CVSS v3

The calculated severity for CVEs has been updated to use CVSS v3 by default. CVEs that do not have a CVSS v3 score will fall back CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

Description

archive/zip in Go 1.16.x before 1.16.1 allows attackers to cause a denial of service (panic) upon attempted use of the Reader.Open API for a ZIP archive in which ../ occurs at the beginning of any filename.

References

https://groups.google.com/g/golang-announce/c/MfiLYjG-RAw

https://lists.fedoraproject.org/archives/list/[email protected]/message/2MU47VKTNXX33ZDLTI2ORRUY3KLJKU6G/

https://lists.fedoraproject.org/archives/list/[email protected]/message/HM7U5JNS5WU66Q3S26PFIU2ITB2ATTQ4/

Details

Source: MITRE

Published: 2021-03-11

Updated: 2021-09-25

Risk Information

CVSS v2

Base Score: 4.3

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

Impact Score: 2.9

Exploitability Score: 8.6

Severity: MEDIUM

CVSS v3

Base Score: 5.5

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

Impact Score: 3.6

Exploitability Score: 1.8

Severity: MEDIUM

Vulnerable Software

Configuration 1

OR

cpe:2.3:a:golang:go:*:*:*:*:*:*:*:*

Tenable Plugins

View all (2 total)

IDNameProductFamilySeverity
148139SUSE SLED15 / SLES15 Security Update : go1.16 (SUSE-SU-2021:0937-1)NessusSuSE Local Security Checks
high
147697FreeBSD : go -- encoding/xml: infinite loop when using xml.NewTokenDecoder with a custom TokenReader; archive/zip: panic when calling Reader.Open (72709326-81f7-11eb-950a-00155d646401)NessusFreeBSD Local Security Checks
high