PT-2020-14711 · Claws Mail Team+2 · Claws Mail+2

Published 2020-07-14 · Updated 2024-06-15 · CVE-2020-15917

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions Claws Mail versions prior to 3.17.6

Description The issue is related to a protocol violation in the handling of suffix data after STARTTLS. This occurs due to a mishandling in the common/session.c file of Claws Mail.

Recommendations For versions prior to 3.17.6, update to version 3.17.6 or later to resolve the issue.

Fix

Related Identifiers

ALT-PU-2020-2364

ALT-PU-2020-2903

CVE-2020-15917

MGASA-2020-0321

OPENSUSE-SU-2020:1116-1

OPENSUSE-SU-2020:1139-1

OPENSUSE-SU-2020:1192-1

OPENSUSE-SU-2020:1269-1

OPENSUSE-SU-2020:1822-1

OPENSUSE-SU-2020_1116-1

OPENSUSE-SU-2020_1139-1

OPENSUSE-SU-2020_1822-1

OPENSUSE-SU-2021:1045-1

OPENSUSE-SU-2021_1045-1

OPENSUSE-SU-2024:10686-1

Affected Products

Alt Linux

Claws Mail

Suse

References · 42

• https://nvd.nist.gov/vuln/detail/CVE-2020-15917 · Security Note
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/G7UX65342HRVDQML4G4GEVEUB764EUM5 · Vendor Advisory
• http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00002.html · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2020:1269-1 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2021:1045-1 · Vendor Advisory
• http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00013.html · Vendor Advisory
• https://osv.dev/vulnerability/MGASA-2020-0321 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2020:1822-1 · Vendor Advisory
• http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00060.html · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6YVQB7NRBHO67Q74RS7RZCMW4ENRVBB4 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2020-15917 · Vendor Advisory
• http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00090.html · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2020-15917 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/[e-mail]/thread/G7UX65342HRVDQML4G4GEVEUB764EUM5 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2024:10686-1 · Vendor Advisory