Improper Input Validation Affecting python3.11-devel package, versions <0:3.11.2-2.amzn2023.0.7


Severity

Recommended
0.0
medium
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.2% (60th percentile)

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  • Snyk IDSNYK-AMZN2023-PYTHON311DEVEL-5788880
  • published20 Jul 2023
  • disclosed19 Apr 2023

Introduced: 19 Apr 2023

CVE-2023-27043  (opens in a new tab)
CWE-20  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2023 python3.11-devel to version 0:3.11.2-2.amzn2023.0.7 or higher.
This issue was patched in ALAS2023-2023-252.

NVD Description

Note: Versions mentioned in the description apply only to the upstream python3.11-devel package and not the python3.11-devel package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2023 relevant fixed versions and status.

The email module of Python through 3.11.3 incorrectly parses e-mail addresses that contain a special character. The wrong portion of an RFC2822 header is identified as the value of the addr-spec. In some applications, an attacker can bypass a protection mechanism in which application access is granted only after verifying receipt of e-mail to a specific domain (e.g., only @company.example.com addresses may be used for signup). This occurs in email/_parseaddr.py in recent versions of Python.

References

CVSS Scores

version 3.1