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debianDebianDEBIAN:DLA-3730-1:A97C7
HistoryFeb 01, 2024 - 12:22 a.m.

[SECURITY] [DLA 3730-1] python-asyncssh security update

2024-02-0100:22:40
lists.debian.org
10
prefix truncation attack
debian 10 buster
python-asyncssh

5.9 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

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

6.7 Medium

AI Score

Confidence

High

2.6 Low

CVSS2

Access Vector

NETWORK

Access Complexity

HIGH

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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


Debian LTS Advisory DLA-3730-1                [email protected]
https://www.debian.org/lts/security/                      ; Daniel Leidert
February 01, 2024                             https://wiki.debian.org/LTS

Package        : python-asyncssh
Version        : 1.12.2-1+deb10u1
CVE ID         : CVE-2023-48795
Debian Bug     : 1059007

AsyncSSH is a Python package which provides an asynchronous client and server
implementation of the SSHv2 protocol. It has been discovered that it is also
vulnerable to a prefix truncation attack, better known as Terrapin attack.

For Debian 10 buster, this problem has been fixed in version
1.12.2-1+deb10u1.

We recommend that you upgrade your python-asyncssh packages.

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

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

5.9 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

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

6.7 Medium

AI Score

Confidence

High

2.6 Low

CVSS2

Access Vector

NETWORK

Access Complexity

HIGH

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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