PT-2021-19645 · S3Scanner · S3Scanner

Ryotak · Published 2021-11-29 · Updated 2021-11-30 · CVE-2021-32061

Positive Technologies (AI Summary)

CVSS v4.0

6.9

Medium

Base vector

AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N

Name of the Vulnerable Software and Affected Versions: S3Scanner versions prior to 2.0.2

Description: The issue allows Directory Traversal via a crafted bucket. This can be demonstrated by a <Key>../ substring in a ListBucketResult element.

Recommendations: For versions prior to 2.0.2, update to version 2.0.2 or later to resolve the issue. As a temporary workaround, consider restricting access to crafted buckets that may contain the <Key>../ substring in the ListBucketResult element until a patch is applied.

Fix

Path traversal

Weakness Enumeration

CWE-22

Related Identifiers

CVE-2021-32061

GHSA-QPPG-V75C-R5FF

PYSEC-2021-433

Affected Products

S3Scanner

References · 11

• https://osv.dev/vulnerability/CVE-2021-32061 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-qppg-v75c-r5ff · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-32061 · Security Note
• https://osv.dev/vulnerability/PYSEC-2021-433 · Vendor Advisory
• https://github.com/sa7mon/S3Scanner/issues/122 · Note
• https://github.com/sa7mon/S3Scanner/releases/tag/2.0.2 · Note
• https://github.com/sa7mon/S3Scanner · Note
• https://github.com/sa7mon/S3Scanner/commit/fafa30a3bd35b496b3f7db9bfc35b75a8a06bcd1 · Note
• https://github.com/pypa/advisory-database/tree/main/vulns/s3scanner/PYSEC-2021-433.yaml · Note
• https://github.com/advisories/GHSA-qppg-v75c-r5ff · Note
• https://vuln.ryotak.me/advisories/62 · Note