CVE-2020-15917
published 2020-07-23CVE-2020-15917: common/session.c in Claws Mail before 3.17.6 has a protocol violation because suffix data after STARTTLS is mishandled.
PriorityP346critical9.8CVSS 3.1
AVNACLPRNUINSUCHIHAH
EPSS
2.59%
83.6th percentile
common/session.c in Claws Mail before 3.17.6 has a protocol violation because suffix data after STARTTLS is mishandled.
Affected
11 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| claws-mail | claws-mail | < 3.17.6 | 3.17.6 |
| claws-mail | claws-mail | >= 0 < 3.17.6-1 | 3.17.6-1 |
| claws-mail | claws-mail | >= 0 < 3.17.6-1 | 3.17.6-1 |
| claws-mail | claws-mail | >= 0 < 3.17.6-1 | 3.17.6-1 |
| claws-mail | claws-mail | >= 0 < 3.17.6-1 | 3.17.6-1 |
| debian | claws-mail | < claws-mail 3.17.6-1 (bookworm) | claws-mail 3.17.6-1 (bookworm) |
| fedoraproject | fedora | — | — |
| fedoraproject | fedora | — | — |
| opensuse | backports_sle | — | — |
| opensuse | leap | — | — |
| opensuse | leap | — | — |
CVSS provenance
nvdv3.19.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
nvdv2.07.5HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P
osv9.8CRITICAL
vendor_debian9.8CRITICAL
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GHSA
GHSA-9rxj-vjg6-w53x: common/session
ghsa_unreviewed·2022-05-24
CVE-2020-15917 [CRITICAL] GHSA-9rxj-vjg6-w53x: common/session
common/session.c in Claws Mail before 3.17.6 has a protocol violation because suffix data after STARTTLS is mishandled.
OSV
CVE-2020-15917: common/session
osv·2020-07-23·CVSS 9.8
CVE-2020-15917 [CRITICAL] CVE-2020-15917: common/session
common/session.c in Claws Mail before 3.17.6 has a protocol violation because suffix data after STARTTLS is mishandled.
Debian
CVE-2020-15917: claws-mail - common/session.c in Claws Mail before 3.17.6 has a protocol violation because su...
vendor_debian·2020·CVSS 9.8
CVE-2020-15917 [CRITICAL] CVE-2020-15917: claws-mail - common/session.c in Claws Mail before 3.17.6 has a protocol violation because su...
common/session.c in Claws Mail before 3.17.6 has a protocol violation because suffix data after STARTTLS is mishandled.
Scope: local
bookworm: resolved (fixed in 3.17.6-1)
bullseye: resolved (fixed in 3.17.6-1)
forky: resolved (fixed in 3.17.6-1)
sid: resolved (fixed in 3.17.6-1)
trixie: resolved (fixed in 3.17.6-1)
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2020-15917 claws-mail: protocol violation because suffix data after STARTTLS is mishandled
bugzilla·2020-07-24·CVSS 9.8
CVE-2020-15917 [CRITICAL] CVE-2020-15917 claws-mail: protocol violation because suffix data after STARTTLS is mishandled
CVE-2020-15917 claws-mail: protocol violation because suffix data after STARTTLS is mishandled
common/session.c in Claws Mail before 3.17.6 has a protocol violation because suffix data after STARTTLS is mishandled.
Reference:
https://git.claws-mail.org/?p=claws.git;a=blob;f=RELEASE_NOTES
Upstream commit:
https://git.claws-mail.org/?p=claws.git;a=commit;h=fcc25329049b6f9bd8d890f1197ed61eb12e14d5
Discussion:
Created claws-mail tracking bugs for this issue:
Affects: fedora-all [bug 1860415]
---
This CVE Bugzilla entry is for community support informational purposes only as it does not affect a package in a commercially supported Red Hat product. Refer to the dependent bugs for status of those individual community products.
Bugzilla
CVE-2020-15917 claws-mail: protocol violation because suffix data after STARTTLS is mishandled [fedora-all]
bugzilla·2020-07-24·CVSS 9.8
CVE-2020-15917 [CRITICAL] CVE-2020-15917 claws-mail: protocol violation because suffix data after STARTTLS is mishandled [fedora-all]
CVE-2020-15917 claws-mail: protocol violation because suffix data after STARTTLS is mishandled [fedora-all]
This is an automatically created tracking bug! It was created to ensure
that one or more security vulnerabilities are fixed in affected versions
of fedora-all.
For comments that are specific to the vulnerability please use bugs filed
against the "Security Response" product referenced in the "Blocks" field.
For more information see:
http://fedoraproject.org/wiki/Security/TrackingBugs
When submitting as an update, use the fedpkg template provided in the next
comment(s). This will include the bug IDs of this tracking bug as well as
the relevant top-level CVE bugs.
Please also mention the CVE IDs being fixed in the RPM changelog and the
fedpkg commit message.
NOTE: this issue affec
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00090.htmlhttp://lists.opensuse.org/opensuse-security-announce/2020-08/msg00002.htmlhttp://lists.opensuse.org/opensuse-security-announce/2020-08/msg00060.htmlhttp://lists.opensuse.org/opensuse-security-announce/2020-09/msg00051.htmlhttp://lists.opensuse.org/opensuse-security-announce/2020-11/msg00013.htmlhttps://git.claws-mail.org/?p=claws.git%3Ba=blob%3Bf=RELEASE_NOTEShttps://git.claws-mail.org/?p=claws.git%3Ba=commit%3Bh=fcc25329049b6f9bd8d890f1197ed61eb12e14d5https://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/202007-56http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00090.htmlhttp://lists.opensuse.org/opensuse-security-announce/2020-08/msg00002.htmlhttp://lists.opensuse.org/opensuse-security-announce/2020-08/msg00060.htmlhttp://lists.opensuse.org/opensuse-security-announce/2020-09/msg00051.htmlhttp://lists.opensuse.org/opensuse-security-announce/2020-11/msg00013.htmlhttps://git.claws-mail.org/?p=claws.git%3Ba=blob%3Bf=RELEASE_NOTEShttps://git.claws-mail.org/?p=claws.git%3Ba=commit%3Bh=fcc25329049b6f9bd8d890f1197ed61eb12e14d5https://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/202007-56
2020-07-23
Published