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CVE-2021-39272

Good to know:

Date: August 30, 2021

Fetchmail before 6.4.22 fails to enforce STARTTLS session encryption in some circumstances, such as a certain situation with IMAP and PREAUTH.

Language: C

Severity Score

5.9

Related Resources (17)

Url: https://sourceforge.net/p/fetchmail/git/ci/3837f0e2e42b43c69b46d240adcbbe3a2c68ce95/

Url: https://nostarttls.secvuln.info/

Url: https://security.gentoo.org/glsa/202209-14

Url: https://www.fetchmail.info/security.html

Url: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZYCYLL73NP7ALJWSDICIVSA47ZIXWSSA/

Url: https://security-tracker.debian.org/tracker/CVE-2021-39272

Url: https://access.redhat.com/security/cve/CVE-2021-39272

Url: http://www.openwall.com/lists/oss-security/2021/08/27/3

Url: https://security.alpinelinux.org/vuln/CVE-2021-39272

Url: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/VXMKSEHAQSEDCWZMAOJEGX3P3JW6QY6H/

Url: https://nvd.nist.gov/vuln/detail/CVE-2021-39272

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2021-39272

Url: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/L3XJ6XLEJCEZCAM5LGGD6XBCC522QLG4/

Url: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/VXMKSEHAQSEDCWZMAOJEGX3P3JW6QY6H/

Url: https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/L3XJ6XLEJCEZCAM5LGGD6XBCC522QLG4/

Url: https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZYCYLL73NP7ALJWSDICIVSA47ZIXWSSA/

Url: https://www.mend.io/vulnerability-database/CVE-2021-39272

Severity Score

5.9

Weakness Type (CWE)

Inadequate Encryption Strength

CWE-326

Cleartext Transmission of Sensitive Information

CWE-319

Top Fix

Upgrade Version

Upgrade to version RELEASE_6-4-22

CVSS v3.1

Base Score:	5.9
Attack Vector (AV):	NETWORK
Attack Complexity (AC):	HIGH
Privileges Required (PR):	NONE
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	HIGH
Integrity (I):	NONE
Availability (A):	NONE

CVSS v2

Base Score:	4.3
Access Vector (AV):	NETWORK
Access Complexity (AC):	MEDIUM
Authentication (AU):	NONE
Confidentiality (C):	PARTIAL
Integrity (I):	NONE
Availability (A):	NONE
Additional information:

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