QID 357042

Date Published: 2024-02-05

QID 357042: Amazon Linux Security Advisory for exim : ALAS-2024-1908

Exim through 4.97 allows smtp smuggling in certain configurations.
Remote attackers can use a published exploitation technique to inject e-mail messages with a spoofed mail from address, allowing bypass of an spf protection mechanism.
This occurs because exim supports <lf>.<cr><lf> but some other popular e-mail servers do not. (
( CVE-2023-51766)



Note: The preceding description block is extracted directly from the security advisory. Using automation, we have attempted to clean and format it as much as possible without introducing additional issues.

Successful exploitation of this vulnerability could lead to a securitybreach or could affect integrity, availability, and confidentiality.

  • CVSS V3 rated as Medium - 5.3 severity.
  • CVSS V2 rated as Medium - 5.4 severity.
    • Solution
    Please refer to Amazon advisory: ALAS-2024-1908 for affected packages and patching details, or update with your package manager.
    Vendor References

    CVEs related to QID 357042

    CVE-2023-51766 |
    Software Advisories
    Advisory ID Software Component Link
    ALAS-2024-1908 amazon linux URL Logo alas.aws.amazon.com/ALAS-2024-1908.html
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