GO-2022-1037

vendorUSosv

Unbounded memory consumption when reading headers in archive/tar

view advisory published 2022-10-06Licence: per source

Reader.Read does not set a limit on the maximum size of file headers. A maliciously crafted archive could cause Read to allocate unbounded amounts of memory, potentially causing resource exhaustion or panics. After fix, Reader.Read limits the maximum size of header blocks to 1 MiB.

describes (1)

Related CVEs.

ID	severity	EPSS	exploitable	published
CVE-2022-2879US	high7.5	2.01% (81st)	—	2022-10-14
Reader.Read does not set a limit on the maximum size of file headers. A maliciously crafted archive could cause Read to allocate unbounded amounts of memory, potentially causing re…

references

External citations — patches, advisories, analysis.

https://go.dev/cl/439355FIX
https://go.dev/issue/54853REPORT
https://groups.google.com/g/golang-announce/c/xtuG5faxtaUWEB

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