CVE-2020-15917
First published: Thu Jul 23 2020(Updated: )
common/session.c in Claws Mail before 3.17.6 has a protocol violation because suffix data after STARTTLS is mishandled.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Claws-Mail | <3.17.6 | |
| Fedora | =31 | |
| Fedora | =32 | |
| openSUSE Backports | =15.0-sp1 | |
| openSUSE Backports | =15.0-sp2 | |
| openSUSE | =15.1 | |
| openSUSE | =15.2 |
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Reference Links
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00090.html
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00002.html
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00060.html
- http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00051.html
- http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00013.html
- https://git.claws-mail.org/?p=claws.git;a=blob;f=RELEASE_NOTES
- https://git.claws-mail.org/?p=claws.git;a=commit;h=fcc25329049b6f9bd8d890f1197ed61eb12e14d5
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6YVQB7NRBHO67Q74RS7RZCMW4ENRVBB4/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/G7UX65342HRVDQML4G4GEVEUB764EUM5/
- https://security.gentoo.org/glsa/202007-56
- https://git.claws-mail.org/?p=claws.git%3Ba=commit%3Bh=fcc25329049b6f9bd8d890f1197ed61eb12e14d5
- https://git.claws-mail.org/?p=claws.git%3Ba=blob%3Bf=RELEASE_NOTES
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/G7UX65342HRVDQML4G4GEVEUB764EUM5/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6YVQB7NRBHO67Q74RS7RZCMW4ENRVBB4/
Frequently Asked Questions
What is the severity of CVE-2020-15917?
CVE-2020-15917 has a moderate severity rating due to the protocol violation issues.
How do I fix CVE-2020-15917?
To fix CVE-2020-15917, upgrade Claws Mail to version 3.17.6 or later.
What versions of Claws Mail are affected by CVE-2020-15917?
CVE-2020-15917 affects all versions of Claws Mail prior to 3.17.6.
What is the nature of the vulnerability in CVE-2020-15917?
The vulnerability in CVE-2020-15917 is a protocol violation caused by mishandling suffix data after the STARTTLS command.
Which operating systems are impacted by CVE-2020-15917?
CVE-2020-15917 impacts Fedora versions 31 and 32, and specific versions of openSUSE.
- agent/type
- collector/mitre-cve
- source/MITRE
- agent/author
- agent/remedy
- agent/severity
- agent/references
- agent/last-modified-date
- agent/event
- agent/description
- agent/first-publish-date
- agent/source
- agent/tags
- agent/softwarecombine
- collector/nvd-index
- agent/software-canonical-lookup-request
- vendor/claws-mail
- canonical/claws-mail
- vendor/fedoraproject
- canonical/fedora
- version/fedora/31
- version/fedora/32
- vendor/opensuse
- canonical/opensuse backports
- version/opensuse backports/15.0-sp1
- version/opensuse backports/15.0-sp2
- canonical/opensuse
- version/opensuse/15.1
- version/opensuse/15.2