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Mageia: 2020-0367 Moderate: libetpan STARTTLS Data Handling Flaw

mageia
Calendar Grey September 15, 2020
Dist Mageia Esm H88
Mageia announces a libetpan security patch addressing STARTTLS vulnerabilities impacting IMAP, SMTP, and POP3 services.
LibEtPan through 1.9.4, as used in MailCore 2 through 0.6.3 and other products, has a STARTTLS buffering issue that affects IMAP, SMTP, and POP3

Summary

LibEtPan through 1.9.4, as used in MailCore 2 through 0.6.3 and other products, has a STARTTLS buffering issue that affects IMAP, SMTP, and POP3. When a server sends a "begin TLS" response, the client reads additional data (e.g., from a meddler-in-the-middle attacker) and evaluates it in a TLS context, aka "response injection". (CVE-2020-15953).

References

- https://bugs.mageia.org/show_bug.cgi?id=27168

- https://lists.debian.org/debian-lts-announce/2020/08/msg00026.html

- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/thread/QFBWNA5REI5ZGW2DAOEAVHM23MOU6O5J/

- https://www.cve.org/CVERecord?id=CVE-2020-15953

Topics%20covered

Topics Covered

security advisory IMAP SMTP STARTTLS Mageia buffering issue libetpan

Resolution

SRPMS

- 7/core/libetpan-1.9.3-1.1.mga7

Publication date: 15 Sep 2020
URL: https://advisories.mageia.org/MGASA-2020-0366.html
Type: security
CVE: CVE-2020-15953

Topics%20covered

Topics Covered

security advisory IMAP SMTP STARTTLS Mageia buffering issue libetpan

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