Ecosyste.ms: Advisories

Security Advisories: GSA_kwCzR0hTQS1naDhqLTJwZ2YteDQ1OM0VuQ

Infinite Loop in rencode

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.

Permalink: https://github.com/advisories/GHSA-gh8j-2pgf-x458
JSON: https://advisories.ecosyste.ms/api/v1/advisories/GSA_kwCzR0hTQS1naDhqLTJwZ2YteDQ1OM0VuQ
Source: GitHub Advisory Database
Origin: Unspecified
Severity: High
Classification: General
Published: over 2 years ago
Updated: over 1 year ago

CVSS Score: 7.5
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Identifiers: GHSA-gh8j-2pgf-x458, CVE-2021-40839
References:

• https://nvd.nist.gov/vuln/detail/CVE-2021-40839
• https://github.com/aresch/rencode/pull/29
• https://github.com/aresch/rencode/commit/572ff74586d9b1daab904c6f7f7009ce0143bb75
• https://pypi.org/project/rencode/#history
• https://seclists.org/fulldisclosure/2021/Sep/16
• https://security.netapp.com/advisory/ntap-20211008-0001/
• https://lists.fedoraproject.org/archives/list/[email protected]/message/BMVQRPDVSVZNGGX57CFKCYT3DEYO4QB6/
• https://lists.fedoraproject.org/archives/list/[email protected]/message/MCLETLGVM5DBX6QNHQFW6TWGO5T3DENY/
• https://github.com/advisories/GHSA-gh8j-2pgf-x458
• https://github.com/pypa/advisory-database/tree/main/vulns/rencode/PYSEC-2021-345.yaml

Repository: https://github.com/aresch/rencode
Blast Radius: 14.8

Affected Packages