Vulnerability 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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Fedoraproject | Fedora | 38 |
| Netapp | Active Iq Unified Manager | - |
| Netapp | Ontap Select Deploy Administration Utility | - |
| Python | Python | <= 2.7.18 |
Related Weaknesses (CWE)
References
- http://python.orgVendor Advisory
- https://github.com/python/cpython/issues/102988ExploitIssue Tracking
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproThird Party Advisory
FAQ
What is CVE-2023-27043?
CVE-2023-27043 is a vulnerability with a CVSS score of 5.3 (MEDIUM). 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 s...
How severe is CVE-2023-27043?
CVE-2023-27043 has been rated MEDIUM with a CVSS base score of 5.3/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2023-27043?
Check the references section above for vendor advisories and patch information. Affected products include: Fedoraproject Fedora, Netapp Active Iq Unified Manager, Netapp Ontap Select Deploy Administration Utility, Python Python.