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HistorySep 09, 2021 - 5:52 p.m.

[SECURITY] [DSA 4970-1] postorius security update

2021-09-0917:52:25
lists.debian.org
9
postorius
address validation
security update
cve-2021-40347
mailman 3

CVSS2

5.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

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

CVSS3

5.4

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

AI Score

5.3

Confidence

High

EPSS

0.001

Percentile

50.4%


Debian Security Advisory DSA-4970-1 [email protected]
https://www.debian.org/security/ Moritz Muehlenhoff
September 09, 2021 https://www.debian.org/security/faq


Package : postorius
CVE ID : CVE-2021-40347

Kevin Israel discovered that Postorius, the administrative web frontend
for Mailman 3, didn't validate whether a logged-in user owns the email
address when unsubscribing.

For the oldstable distribution (buster), this problem has been fixed
in version 1.2.4-1+deb10u1.

For the stable distribution (bullseye), this problem has been fixed in
version 1.3.4-2+deb11u1.

We recommend that you upgrade your postorius packages.

For the detailed security status of postorius please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/postorius

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/

Mailing list: [email protected]

CVSS2

5.5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

NONE

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

CVSS3

5.4

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

AI Score

5.3

Confidence

High

EPSS

0.001

Percentile

50.4%