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HistorySep 30, 2021 - 12:06 p.m.

[SECURITY] [DLA 2770-1] weechat security update

2021-09-3012:06:58
lists.debian.org
8

7.5 High

CVSS3

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

5 Medium

CVSS2

Access Vector

NETWORK

Access 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

0.003 Low

EPSS

Percentile

70.4%


Debian LTS Advisory DLA-2770-1 [email protected]
https://www.debian.org/lts/security/ Adrian Bunk
September 30, 2021 https://wiki.debian.org/LTS


Package : weechat
Version : 1.6-1+deb9u3
CVE ID : CVE-2020-8955 CVE-2020-9759 CVE-2020-9760 CVE-2021-40516
Debian Bug : 951289 993803

Several vulnerabilities were fixed in the chat client WeeChat.

CVE-2020-8955

A crafted irc message 324 (channel mode) could result in a crash.

CVE-2020-9759

A crafted irc message 352 (who) could result in a crash.

CVE-2020-9760

A crafted irc message 005 (setting a new mode for a nick) could 
result in a crash.

CVE-2021-40516

A crafted WebSocket frame could result in a crash in the Relay plugin.

For Debian 9 stretch, these problems have been fixed in version
1.6-1+deb9u3.

We recommend that you upgrade your weechat packages.

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

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

7.5 High

CVSS3

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

5 Medium

CVSS2

Access Vector

NETWORK

Access 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

0.003 Low

EPSS

Percentile

70.4%

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