Security Vulnerabilities fixed in fetchmail RHSA-2022:1964

Description

Fetchmail is a remote mail retrieval and forwarding utility intended for use over on-demand TCP/IP links, like SLIP or PPP connections. Fetchmail supports every remote-mail protocol currently in use on the Internet (POP2, POP3, RPOP, APOP, KPOP, all IMAPs, ESMTP ETRN, IPv6, and IPSEC) for retrieval. Then Fetchmail forwards the mail through SMTP so the user can read it through their favorite mail client. Security Fix(es): fetchmail: DoS or information disclosure when logging long messages (CVE-2021-36386) fetchmail: STARTTLS session encryption bypassing (CVE-2021-39272) fetchmail: DoS or information disclosure when logging long messages (CVE-2021-36386) fetchmail: STARTTLS session encryption bypassing (CVE-2021-39272) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section. Additional Changes: For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.6 Release Notes linked from the References section. SolutionFor details on how to apply this update, which includes the changes described in this advisory, refer to:https://access.redhat.com/articles/11258

Affected Applications

fetchmail

CVE References

CVE-2021-39272 CVE-2021-36386

Other References

https://access.redhat.com/errata/RHSA-2022:1964