CVE-2020-15917

critical

Description

common/session.c in Claws Mail before 3.17.6 has a protocol violation because suffix data after STARTTLS is mishandled.

References

https://security.gentoo.org/glsa/202007-56

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/

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

http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00013.html

http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00051.html

http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00060.html

http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00002.html

http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00090.html

Details

Source: Mitre, NVD

Published: 2020-07-23

Updated: 2024-11-21

Risk Information

CVSS v2

Base Score: 7.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

Severity: High

CVSS v3

Base Score: 9.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Severity: Critical