ALT-PU-2020-3063

Низкий

ALT-PU-2020-3063: package matrix-synapse update to version 1.21.2-alt1

Источник

errata.altlinux.org

Дата публикации

16.10.2020

Дата обновления

04.02.2026

Устраненные уязвимости

ALT Linux branch p11

ALT Container

ALT Education

ALT Workstation

ALT Workstation K

ALT Server

ALT Virtualization PVE Edition

ALT Linux branch p10

ALT Server

ALT Virtualization Server

ALT Workstation

ALT Workstation K

ALT Education

Simply Linux

Starterkit

ALT Container

Описание

This update upgrades matrix-synapse to version 1.21.2-alt1.

Устраненные уязвимости1

CVE-2020-26891

Средний 6.1

Дата публикации: 19.10.2020

CWE-79

AuthRestServlet in Matrix Synapse before 1.21.0 is vulnerable to XSS due to unsafe interpolation of the session GET parameter. This allows a remote attacker to execute an XSS attack on the domain Synapse is hosted on, by supplying the victim user with a malicious URL to the /_matrix/client/r0/auth//fallback/web or /_matrix/client/unstable/auth//fallback/web Synapse endpoints. * GHSA-3x8c-fmpc-5rmq: Cross-site scripting (XSS) vulnerability in the fallback authentication endpoint

CVSS 3.1

Средний 6.1

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

Attack vector: Network
Complexity: Low
Privileges: None
User interaction: Required
Scope: Changed
Confidentiality: Low
Integrity: Low
Availability: None

CVSS 2.0

Средний 4.3

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

Access vector: Network
Complexity: Medium
Authentication: None
Confidentiality: None
Integrity: Partial
Availability: None

Ссылки

CVE-2020-26891 https://nvd.nist.gov/vuln/detail/CVE-2020-26891

Ссылки2

ALT-PU-2020-3063 https://errata.altlinux.org/ALT-PU-2020-3063

GHSA-3x8c-fmpc-5rmq

https://github.com/advisories/GHSA-3x8c-fmpc-5rmq

Связанные уязвимости

CVE-2020-26891

CVSS3: 6.1

ubuntu

около 6 лет назад

AuthRestServlet in Matrix Synapse before 1.21.0 is vulnerable to XSS due to unsafe interpolation of the session GET parameter. This allows a remote attacker to execute an XSS attack on the domain Synapse is hosted on, by supplying the victim user with a malicious URL to the /_matrix/client/r0/auth/*/fallback/web or /_matrix/client/unstable/auth/*/fallback/web Synapse endpoints.

CVE-2020-26891

CVSS3: 6.1

nvd

около 6 лет назад

AuthRestServlet in Matrix Synapse before 1.21.0 is vulnerable to XSS due to unsafe interpolation of the session GET parameter. This allows a remote attacker to execute an XSS attack on the domain Synapse is hosted on, by supplying the victim user with a malicious URL to the /_matrix/client/r0/auth/*/fallback/web or /_matrix/client/unstable/auth/*/fallback/web Synapse endpoints.

CVE-2020-26891

CVSS3: 6.1

debian

около 6 лет назад

AuthRestServlet in Matrix Synapse before 1.21.0 is vulnerable to XSS d ...

GHSA-3x8c-fmpc-5rmq

CVSS3: 6.1

github

около 6 лет назад

Cross-site scripting (XSS) vulnerability in the fallback authentication endpoint

ALT-PU-2020-3036

CVSS3: 6.1

altlinux

около 6 лет назад

ALT-PU-2020-3036: package `matrix-synapse` update to version 1.21.0-alt1