GO-2021-0067

vendorUSosv

Panic when opening archives in archive/zip

view advisory published 2021-04-14Licence: per source

Using Reader.Open on an archive containing a file with a path prefixed by "../" will cause a panic due to a stack overflow. If parsing user supplied archives, this may be used as a denial of service vector.

describes (1)

Related CVEs.

ID	severity	EPSS	exploitable	published
CVE-2021-27919US	medium5.5	1.52% (74th)	—	2021-03-11
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…

references

External citations — patches, advisories, analysis.

https://go.dev/cl/300489FIX
https://go.dev/issue/44916REPORT
https://go.googlesource.com/go/+/cd3b4ca9f20fd14187ed4cdfdee1a02ea87e5cd8FIX
https://groups.google.com/g/golang-announce/c/MfiLYjG-RAw/m/zzhWj5jPAQAJWEB

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