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gentooGentoo FoundationGLSA-202107-08
HistoryJul 06, 2021 - 12:00 a.m.

PostSRSd: Denial of service

2021-07-0600:00:00
Gentoo Foundation
security.gentoo.org
49
postsrsd
vulnerabilities
upgrade
version 1.11
postfix
sender rewriting scheme

CVSS2

5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0.007

Percentile

80.1%

Background

PostSRSd is a Postfix sender rewriting scheme daemon

Description

Multiple vulnerabilities have been discovered in PostSRSd. Please review the CVE identifiers referenced below for details.

Impact

An attacker could cause a possible Denial of Service condition.

Workaround

There is no known workaround at this time.

Resolution

All postsrsd users should upgrade to the latest version:

 # emerge --sync
 # emerge --ask --oneshot --verbose ">=mail-filter/postsrsd-1.11"
OSVersionArchitecturePackageVersionFilename
Gentooanyallmail-filter/postsrsd< 1.11UNKNOWN

CVSS2

5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0.007

Percentile

80.1%