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Gentoo FoundationGLSA-202105-07

HistoryMay 26, 2021 - 12:00 a.m.

Telegram: Security bypass

2021-05-2600:00:00

Gentoo Foundation

security.gentoo.org

security

active session

upgrade

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

CVSS3

5.3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

NONE

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

EPSS

0.001

Percentile

30.9%

JSON

Background

Telegram is a cloud-based mobile and desktop messaging app with a focus on security and speed.

Description

It was discovered that Telegram failed to invalidate a recently active session.

Impact

Please review the referenced CVE identifiers for details.

Workaround

There is no known workaround at this time.

Resolution

All Telegram users should upgrade to the latest version:

 # emerge --sync
 # emerge --ask --oneshot --verbose "&gt;=net-im/telegram-desktop-2.4.11"

All Telegram binary users should upgrade to the latest version:

 # emerge --sync
 # emerge --ask --oneshot --verbose
 "&gt;=net-im/telegram-desktop-bin-2.4.11"

OSVersionArchitecturePackageVersionFilename
Gentooanyallnet-im/telegram-desktop< 2.4.11UNKNOWN
Gentooanyallnet-im/telegram-desktop-bin< 2.4.11UNKNOWN

OS	Version	Architecture	Package	Version	Filename
Gentoo	any	all	net-im/telegram-desktop	< 2.4.11	UNKNOWN
Gentoo	any	all	net-im/telegram-desktop-bin	< 2.4.11	UNKNOWN

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

CVSS3

5.3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

NONE

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

EPSS

0.001

Percentile

30.9%

JSON

Related for GLSA-202105-07