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mageiaGentoo FoundationMGASA-2022-0097
HistoryMar 11, 2022 - 11:51 a.m.

Updated thunderbird packages fix security vulnerabilities

2022-03-1111:51:47
Gentoo Foundation
advisories.mageia.org
11

9.6 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

0.008 Low

EPSS

Percentile

81.1%

An attacker could have caused a use-after-free by forcing a text reflow in an SVG object leading to a potentially exploitable crash (CVE-2022-26381). When resizing a popup after requesting fullscreen access, the popup would not display the fullscreen notification (CVE-2022-26383). If an attacker could control the contents of an iframe sandboxed with allow-popups but not allow-scripts, they were able to craft a link that, when clicked, would lead to JavaScript execution in violation of the sandbox (CVE-2022-26384). Previously Thunderbird for macOS and Linux would download temporary files to a user-specific directory in /tmp, but this behavior was changed to download them to /tmp where they could be affected by other local users. This behavior was reverted to the original, user-specific directory (CVE-2022-26386). When installing an add-on, Thunderbird verified the signature before prompting the user; but while the user was confirming the prompt, the underlying add-on file could have been modified and Thunderbird would not have noticed (CVE-2022-26387).

9.6 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

0.008 Low

EPSS

Percentile

81.1%