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archlinuxArchLinuxASA-201907-1
HistoryJul 01, 2019 - 12:00 a.m.

[ASA-201907-1] irssi: arbitrary code execution

2019-07-0100:00:00
security.archlinux.org
15

8.1 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

6.8 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.013 Low

EPSS

Percentile

85.7%

Arch Linux Security Advisory ASA-201907-1

Severity: High
Date : 2019-07-01
CVE-ID : CVE-2019-13045
Package : irssi
Type : arbitrary code execution
Remote : Yes
Link : https://security.archlinux.org/AVG-999

Summary

The package irssi before version 1.2.1-1 is vulnerable to arbitrary
code execution.

Resolution

Upgrade to 1.2.1-1.

pacman -Syu “irssi>=1.2.1-1”

The problem has been fixed upstream in version 1.2.1.

Workaround

Disable SASL authentication.

Description

Irssi 1.0.x before 1.0.8, 1.1.x before 1.1.3, and 1.2.x before 1.2.1,
when SASL is enabled, has a use after free when sending SASL login to
the server.

Impact

A remote attacker in position of man-in-the-middle or controlling the
IRC server might be able to crash or execute arbitrary code on an
affected host.

References

https://irssi.org/security/irssi_sa_2019_06.txt
https://www.openwall.com/lists/oss-security/2019/06/29/1
https://github.com/irssi/irssi/commit/d23b0d22cc611e43c88d99192a59f413f951a955
https://security.archlinux.org/CVE-2019-13045

OSVersionArchitecturePackageVersionFilename
ArchLinuxanyanyirssi< 1.2.1-1UNKNOWN

8.1 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

6.8 Medium

CVSS2

Access Vector

NETWORK

Access Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

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

0.013 Low

EPSS

Percentile

85.7%

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