CVE-2021-27919
First published: Thu Mar 11 2021(Updated: )
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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Golang | >=1.16.0<1.16.1 | |
| Red Hat Fedora | =34 | |
| Red Hat Fedora | =35 |
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
- https://groups.google.com/g/golang-announce/c/MfiLYjG-RAw
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2MU47VKTNXX33ZDLTI2ORRUY3KLJKU6G/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/HM7U5JNS5WU66Q3S26PFIU2ITB2ATTQ4/
- https://security.gentoo.org/glsa/202208-02
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2MU47VKTNXX33ZDLTI2ORRUY3KLJKU6G/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HM7U5JNS5WU66Q3S26PFIU2ITB2ATTQ4/
Frequently Asked Questions
What is the severity of CVE-2021-27919?
CVE-2021-27919 has a severity rating that allows attackers to cause a denial of service (panic) when using the Reader.Open API with malicious ZIP archives.
How do I fix CVE-2021-27919?
To fix CVE-2021-27919, update to Go version 1.16.1 or later.
What software versions are affected by CVE-2021-27919?
CVE-2021-27919 affects Go versions prior to 1.16.1, as well as Fedora releases 34 and 35.
What type of vulnerability is CVE-2021-27919?
CVE-2021-27919 is a denial of service vulnerability related to improper handling of ZIP archives.
Can CVE-2021-27919 be exploited remotely?
Yes, CVE-2021-27919 can be exploited remotely by using crafted ZIP files.
- agent/type
- collector/mitre-cve
- source/MITRE
- agent/references
- agent/severity
- agent/last-modified-date
- agent/author
- agent/description
- agent/event
- agent/first-publish-date
- agent/source
- agent/softwarecombine
- agent/tags
- collector/nvd-index
- agent/software-canonical-lookup-request
- vendor/golang
- canonical/golang
- version/golang/1.16.0
- vendor/fedoraproject
- canonical/red hat fedora
- version/red hat fedora/34
- version/red hat fedora/35