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Status published
Critical
CVE-2020-15917
common/session.c in Claws Mail before 3.17.6 has a protocol violation...
Vulnerability Description
common/session.c in Claws Mail before 3.17.6 has a protocol violation because suffix data after STARTTLS is mishandled.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- 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://security.gentoo.org/glsa/202007-56
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00090.html
- 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/
- 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
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Affected Vendor
claws-mail
View all reports →Affected Software
claws-mail, fedora, backports sle, leap
Vulnerable Versions:
0, 31, 32, 15.0, 15.1, 15.2
Timeline
Official Publish:
July 23rd, 2020
Last Modified:
August 4th, 2024
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.