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GoogleOSV:GHSA-GH8J-2PGF-X458

HistorySep 13, 2021 - 8:05 p.m.

Infinite Loop in rencode

2021-09-1320:05:51

Google

osv.dev

rencode package

python

typecode

decoding

remote attack

cpu consumption

memory consumption

EPSS

0.004

Percentile

74.7%

JSON

The rencode package through 1.0.6 for Python allows an infinite loop in typecode decoding (such as via ;\x2f\x7f), enabling a remote attack that consumes CPU and memory.

References

github.com/advisories/GHSA-gh8j-2pgf-x458

github.com/aresch/rencode

github.com/aresch/rencode/commit/572ff74586d9b1daab904c6f7f7009ce0143bb75

github.com/aresch/rencode/pull/29

github.com/pypa/advisory-database/tree/main/vulns/rencode/PYSEC-2021-345.yaml

lists.fedoraproject.org/archives/list/[email protected]/message/BMVQRPDVSVZNGGX57CFKCYT3DEYO4QB6

lists.fedoraproject.org/archives/list/[email protected]/message/MCLETLGVM5DBX6QNHQFW6TWGO5T3DENY

nvd.nist.gov/vuln/detail/CVE-2021-40839

pypi.org/project/rencode/#history

seclists.org/fulldisclosure/2021/Sep/16

security.netapp.com/advisory/ntap-20211008-0001

EPSS

0.004

Percentile

74.7%

JSON

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