CVE-2020-15917

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

CVSS v3.0 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3.0 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

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

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://git.claws-mail.org/?p=claws.git;a=blob;f=RELEASE_NOTES	Release Notes Vendor Advisory
https://git.claws-mail.org/?p=claws.git;a=commit;h=fcc25329049b6f9bd8d890f1197ed61eb12e14d5	Mailing List Patch Vendor Advisory
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@lists.fedoraproject.org/message/6YVQB7NRBHO67Q74RS7RZCMW4ENRVBB4/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/G7UX65342HRVDQML4G4GEVEUB764EUM5/
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

Configurations

Configuration 1 (hide)

cpe:2.3:a:claws-mail:claws-mail:*:*:*:*:*:*:*:*

Information

Published : 2020-07-23 19:15

Updated : 2020-11-03 07:15

NVD link : CVE-2020-15917

Mitre link : CVE-2020-15917

JSON object : View

Products Affected

claws-mail

claws-mail

CWE

NVD-CWE-noinfo

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://git.claws-mail.org/?p=claws.git;a=blob;f=RELEASE_NOTES", "name": "https://git.claws-mail.org/?p=claws.git;a=blob;f=RELEASE_NOTES", "tags": ["Release Notes", "Vendor Advisory"], "refsource": "MISC"}, {"url": "https://git.claws-mail.org/?p=claws.git;a=commit;h=fcc25329049b6f9bd8d890f1197ed61eb12e14d5", "name": "https://git.claws-mail.org/?p=claws.git;a=commit;h=fcc25329049b6f9bd8d890f1197ed61eb12e14d5", "tags": ["Mailing List", "Patch", "Vendor Advisory"], "refsource": "MISC"}, {"url": "https://security.gentoo.org/glsa/202007-56", "name": "GLSA-202007-56", "tags": [], "refsource": "GENTOO"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00090.html", "name": "openSUSE-SU-2020:1116", "tags": [], "refsource": "SUSE"}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6YVQB7NRBHO67Q74RS7RZCMW4ENRVBB4/", "name": "FEDORA-2020-fe6c1a9c16", "tags": [], "refsource": "FEDORA"}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/G7UX65342HRVDQML4G4GEVEUB764EUM5/", "name": "FEDORA-2020-2def860ce7", "tags": [], "refsource": "FEDORA"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00002.html", "name": "openSUSE-SU-2020:1139", "tags": [], "refsource": "SUSE"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00060.html", "name": "openSUSE-SU-2020:1269", "tags": [], "refsource": "SUSE"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00051.html", "name": "openSUSE-SU-2020:1192", "tags": [], "refsource": "SUSE"}, {"url": "http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00013.html", "name": "openSUSE-SU-2020:1822", "tags": [], "refsource": "SUSE"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "common/session.c in Claws Mail before 3.17.6 has a protocol violation because suffix data after STARTTLS is mishandled."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2020-15917", "ASSIGNER": "cve@mitre.org"}}, "impact": {"baseMetricV2": {"cvssV2": {"version": "2.0", "baseScore": 7.5, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "severity": "HIGH", "acInsufInfo": false, "impactScore": 6.4, "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}, "baseMetricV3": {"cvssV3": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}}, "publishedDate": "2020-07-23T19:15Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:claws-mail:claws-mail:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "3.17.6"}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2020-11-03T07:15Z"}