CVE-2020-25275

Dovecot before 2.3.13 has Improper Input Validation in lda, lmtp, and imap, leading to an application crash via a crafted email message with certain choices for ten thousand MIME parts.

CVSS v3.0 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3.0 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://dovecot.org/security	Vendor Advisory
https://dovecot.org/pipermail/dovecot-news/2021-January/000451.html	Mailing List Vendor Advisory
http://www.openwall.com/lists/oss-security/2021/01/04/3	Mailing List Third Party Advisory
https://www.debian.org/security/2021/dsa-4825	Third Party Advisory
http://seclists.org/fulldisclosure/2021/Jan/18	Third Party Advisory
http://packetstormsecurity.com/files/160841/Dovecot-2.3.11.3-Denial-Of-Service.html	Third Party Advisory
https://security.gentoo.org/glsa/202101-01
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GXDKFLOCUP7I4ELGQ2F4P5TGC6NXMYV7/

Configurations

Configuration 1 (hide)

cpe:2.3:a:dovecot:dovecot:*:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*

Information

Published : 2021-01-04 17:15

Updated : 2021-01-20 03:15

NVD link : CVE-2020-25275

Mitre link : CVE-2020-25275

JSON object : View

Products Affected

debian

debian_linux

dovecot

dovecot

CWE

CWE-20

Improper Input Validation

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://dovecot.org/security", "name": "https://dovecot.org/security", "tags": ["Vendor Advisory"], "refsource": "MISC"}, {"url": "https://dovecot.org/pipermail/dovecot-news/2021-January/000451.html", "name": "https://dovecot.org/pipermail/dovecot-news/2021-January/000451.html", "tags": ["Mailing List", "Vendor Advisory"], "refsource": "CONFIRM"}, {"url": "http://www.openwall.com/lists/oss-security/2021/01/04/3", "name": "http://www.openwall.com/lists/oss-security/2021/01/04/3", "tags": ["Mailing List", "Third Party Advisory"], "refsource": "CONFIRM"}, {"url": "https://www.debian.org/security/2021/dsa-4825", "name": "DSA-4825", "tags": ["Third Party Advisory"], "refsource": "DEBIAN"}, {"url": "http://seclists.org/fulldisclosure/2021/Jan/18", "name": "20210106 CVE-2020-24386: IMAP hibernation allows accessing other peoples mail", "tags": ["Third Party Advisory"], "refsource": "FULLDISC"}, {"url": "http://packetstormsecurity.com/files/160841/Dovecot-2.3.11.3-Denial-Of-Service.html", "name": "http://packetstormsecurity.com/files/160841/Dovecot-2.3.11.3-Denial-Of-Service.html", "tags": ["Third Party Advisory"], "refsource": "MISC"}, {"url": "https://security.gentoo.org/glsa/202101-01", "name": "GLSA-202101-01", "tags": [], "refsource": "GENTOO"}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/GXDKFLOCUP7I4ELGQ2F4P5TGC6NXMYV7/", "name": "FEDORA-2021-c90cb486f7", "tags": [], "refsource": "FEDORA"}]}, "data_format": "MITRE", "description": {"description_data": [{"lang": "en", "value": "Dovecot before 2.3.13 has Improper Input Validation in lda, lmtp, and imap, leading to an application crash via a crafted email message with certain choices for ten thousand MIME parts."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-20"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2020-25275", "ASSIGNER": "cve@mitre.org"}}, "impact": {"baseMetricV2": {"cvssV2": {"version": "2.0", "baseScore": 5.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "NONE"}, "severity": "MEDIUM", "acInsufInfo": false, "impactScore": 2.9, "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}, "baseMetricV3": {"cvssV3": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 3.9}}, "publishedDate": "2021-01-04T17:15Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:dovecot:dovecot:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "2.3.13"}]}, {"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2021-01-20T03:15Z"}