VulnerabilityModified
CVE-2020-15917
common/session.c in Claws Mail before 3.17.6 has a protocol violation because suffix data after STARTTLS is mishandled.
CRITICAL 9.8EPSS 2.61%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.61%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
common/session.c in Claws Mail before 3.17.6 has a protocol violation because suffix data after STARTTLS is mishandled.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 2.61% probability · 85th percentile
- CISA KEV
- Not listed
- Affected
- claws-mail/claws-mail · fedoraproject/fedora · opensuse/backports sle · opensuse/leap
- Source
- cve@mitre.org
References
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00090.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00002.htmlBroken Link, Mailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00060.htmlBroken Link, Mailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00051.htmlBroken Link, Mailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00013.htmlBroken Link, Mailing List, Third Party Advisory
- https://git.claws-mail.org/?p=claws.git%3Ba=blob%3Bf=RELEASE_NOTES
- https://git.claws-mail.org/?p=claws.git%3Ba=commit%3Bh=fcc25329049b6f9bd8d890f1197ed61eb12e14d5
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6YVQB7NRBHO67Q74RS7RZCMW4ENRVBB4/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/G7UX65342HRVDQML4G4GEVEUB764EUM5/
- https://security.gentoo.org/glsa/202007-56Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00090.htmlMailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00002.htmlBroken Link, Mailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00060.htmlBroken Link, Mailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00051.htmlBroken Link, Mailing List, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00013.htmlBroken Link, Mailing List, Third Party Advisory
- https://git.claws-mail.org/?p=claws.git%3Ba=blob%3Bf=RELEASE_NOTES
- https://git.claws-mail.org/?p=claws.git%3Ba=commit%3Bh=fcc25329049b6f9bd8d890f1197ed61eb12e14d5
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6YVQB7NRBHO67Q74RS7RZCMW4ENRVBB4/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/G7UX65342HRVDQML4G4GEVEUB764EUM5/
- https://security.gentoo.org/glsa/202007-56Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.