Alpaquita LinuxStreamSecurity Advisory
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CVE-2023-27043

Published: October 18, 2023Last modified: April 15, 2024

Description

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.

Severity score breakdown

ParameterValue
Base score5.3
Attack VectorNETWORK
Attack complexityLOW
Privileges requiredNONE
User interactionNONE
ScopeUNCHANGED
ConfidentialityNONE
Integrity impactLOW
Availability impactNONE
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Status

ProductReleasePackageStatus
Alpaquita Linux23 LTSpython3Fixed (3.11.6-r1)
Streampython3Fixed (3.11.7-r2)

References

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